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Decem~ber 1983 MCIC-HO-Ol1 "Volume 1
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Metah asi Ceamc Inomto Cete Unvriyo 0atnRsac nt
Batell
Materils Lab rator
Wriht Paaeso Ae ore es
:~ Clumbs t~bortori', Mterals abortor
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UnclassifiedSECURITY CtASSI0 lCATtO. IOw T..IS PAGE 'Ih~ lu. n....
* READ INSTRUCTIOS* REPRT DOCUMENTATION PAGE CEFOR. CO'IPLET!Nrl F-D.M
I. RE PORT NUMBER 2.GVT ACCESSION NO. J. RECtIEN1"S CA rAL.:,,3 .u)AEA
MCIC-HB-01R (4 Volumes) _______________
DAMAGTE (aduiTOLEATDSG ANBO.A TYPE OF REPORT 6 PERIOD COVEREDDAMAE TLERAT DSIG HANBOO. ACOMPILATION OF
FRACTURE AND CRACK GROWTH DATA FOR HIGH-STRENGTH ________________
ALLOYS 6.PERFORMiING ORG. REPORT NuAjIIER
7. AUTPAOR(si a. CONTRACT OR GRANT NUSASER~s)
J. Gallagher F3361 5-80-C-5149DLA900-83-C-1744
9. PERFORMIN4G ORGANIZATION NAME AND ADDRESS 10. PROGRAM ELEMEN. PROJEC 7, TASK
University of Dayton Research Institute RAWR.UINMBR
300 College Park AvenueDayton, OH 45469
It. CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT DATE
Materials Laboratory (AFWAL/MLSE) December 1983Air Force Wright Aeronautical Laboratories (AFSC) 13. NUMBER OF PAGES
Wright-Patterson AFB, OH 45433 326014 MCNITORING AGENCY NAME & AOCRSS(Il delprn bor Controling Qfite*) IS. SECURITY CLASS. (afthi rle ort)
I Unclassified15sa. OECLASSIFICATIOM 'OOWNGRAOimGI SCHEDULE
16I. DISTRIBUTION STATEMENT (of this Report)
Approved for Public Release; Distribution Unlimited4=4
*17. :DISTRISuTiOps STATEMENT (af the abstract enhtered in Stick 20. it dvilerent tram Report)
"SI
III. SUPPLEMENTARY NOTES
Availability: Metals and Ceramics Information Center, P.O. Box 8128,Columbus, Ohio 43201 HC $400.00 for 4 Volumes(No copies furnished by DTIC)
13 KEY WORDS (Conitnue ate reverse side it necessa.ry and idenn'fy by. black flueoebr)
*Fracture (Mechanics), *Handbooks, *Titanium Alloys, *Nickel Alloys, *StainlessSteel, *Aluminum Alloys, High Strength Alloys, Structural Steel, Fracture Toughness,Damage Assessment, State o(' the Art, Data Compilation, Fatigue Crack Growth
20ABSTRACT 'Cunrinua on reverse aide at nrceary end edp'rlify bv bloCck numel
This edition entirely revamps the 1975 edition. This edition is arranged by alloy*rather than by property as in the previous addition. The data are presented in eiqhtchapters and four volumes. Plane-strain fracture toughness (KIC), critical plane
4 stress fracture toughness, apparent fracture toughness, R-curve, 'fatigue crack* growth rates, sustained-load crack growth rate and threshold stress intensity (KISCC)
data are presented for stainless steels, titanium alloys, nickel-base alloys, alloysteels, 2000-, 6000- and 7000-series aluminum alloys.
DD I iOA, 1473 'ECITION OFt I NOV 45 1S OBSOLETIE
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MCIC-HB-01 R
*Volume 4
*" Damage Tolerant Design Handbook
A Compilation of Fracture and Crack GrowthData for High-Strength Alloys
Compiled by
J. GallagherProgram Manager
-University of Dayton Research InstituteDayton, Ohio
Sponsored byIMaterials Laboratory
Air Force Wright Aeronautical Laboratories*1 Wright-Patterson Air Force Base, Ohio 45433
Accession For
NTIS GRA&I
December 1983 DTIC TABUnannounced
By
Distribution/
Metals and Ceramics Information Center Availability Codes
BATTELLEAvail and/orBATTELLE Dist Special
Columbus Laboratories505 King Avenue X
,,-. Columbus, Ohio 43201
Approved for public release; distribution unlimited
........ ..- .,..
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- ...".
ACKNOWLEDGMENT
This document was published by the Metals and Ceramics Information Center (MCIC), Battelle'sColumbus Laboratories, 505 King Avenue, Columbus, Ohio 43201-2693. MCIC's objective is to
provide a comprehensive current resource of technical information on the development and utilizationof advanced metal- or ceramic-base metals.
MCIC is publishing this revised and expanded edition of the Damage Tolerant Design Handbook toincrease the availability of information to the technical community. The loose leaf format was selectedto facilitate updating the handbook as new information becomes available. This edition is a completelyrevised and expanded version of the original handbook first published by MCIC in 1972 and revised in1973 and 1975.
The Center is operated by Battelle-Columbus under Contract Number DLA900-83-C-1744 for the U.S.Defense Logistics Agency; technical aspects of MCIC operations are monitored by the Office of theDeputy Under Secretary of Defense Research and Advanced Technology. The support of thesesponsor organizations is gratefully acknowledged.
; -'.
-.S
This document was prepsred under the sponsorship of the Department of Defense. Neither theUnited States Government nor any person acting on behalf of the United States Governmentassumes any liability resulting from the use or publication of the Information contained In thisdocument or warrants that such use or publication will be free from privately owned rights.
Approved for public releas; distribution unlimited.
All rights reserved. This document, or parts thereof, may not be reproduced In any form withoutwritten permission of the Metals and Ceramics Information Center.
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TABLE 1.4
ABBREVIATIONS FOR MATERIAL SYSTEMS
Abbreviation Materials
ALUM Aluminum AlloysTITAN. Titanium AlloysNICKEL Nickel-Base AlloysSTAIN. STEEL Stainless Steel Alloys
, ALLOY STEEL Steel AlloysA .
TABLE 1.5
ABBREVIATIONS FOR ALLOY CONDITIONING AND HEAT TREATMENTS
Abbreviation Condition/Heat Treatment
OQ Oil QuenchedABQ Aus-Bay QuenchAC Air CoolWC Water QuenchMA Mill AnnealBA Beta AnnealDA Duplex AnnealRA Recrystallize AnnealST Solution TreatedSTA Solution Treated And Aged
TABLE 1.6
ABBREVIATIONS FOR PRODUCT FORMS
Abbreviations Product Form
S SheetP PlateE Extrusion
4.., F ForgingFB Forged BarBT BilletBR Round BarRB Rolled BarC CastingW WeldmentD DiskEB Extruded BarB Bar
! "- '- '- ., _ _ ..- I 2 ..-- _ -,- . - I-. -... - .. .- .. • %. .•. - . . . . . ,
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TABLE 1.7
ABBREVIATIONS FOR ENVIRONMENTAL SYSTEMS
Abbreviations Environmental System
R.T. Room Temperature (650F-800 F)L. H. A. Low Humidity Air (< 10% RH)Dry Air Low Humidity Air (< 10% RH)H. H. A. High Humidity Air (> 80% RH)Lab. Air Laboratory Air (% RH unspecified)Dist. H20 Distilled WaterDist. Water Distilled Water3.5 PCT Nacl 3.5% Salt Water SolutionJP.4 JP-4 Aircraft FuelJP.4 - Fuel JP-4 Aircraft Fuel
S. T. W. Sump Tank WaterS. S. W. Simulated Sea WaterS. C. S. Shop Cleaning SolventF. C. S. Field Cleaning SolventSalt Fog Salt FogTemp. Temperature
TABLE 1.8
ABBREVIATIONS FOR SPECIMEN DESIGNS
Abbreviations Specimen Design*
CT Compact TensionNB 3Pt. Notched BendWOL Wedge Open LoadCCP Center Cracked PanelBWOL Bolt Loaded-Wedge Open LoadCANT Cantilever BeamTDCB Tapered Double Cantilever BeamCHAR CharpyPTSC Part Through Surface CrackSENT Single Edge Notch TensionKBBAR KB Bar4-NB 4 Pt. Notched BendMCT Modified Compact TensionCNT Center Notched TensionDCB Double Cantilever BeamBDCB Bolt Loaded Double Cantilever Beam
*Also note that when "SG" is used in conjunction with a
specimen design, the specimen is side-grooved along thepath of the crack.
O.
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Damage Tolerant Design Handbook
Volume 4
CONTENTS
CHAPTER 8 7000 SERIES ALUMINUM ALLOYS
7075 7090 71787075 (Alclad) 7091 7178 (Alclad)7079 7149 74757079 (Alclad) 7175 7475 (Alclad)7080
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CHAPTER 8
7000 SERIES ALUMINUM ALLOY SECTIONS
8.9 70758.10 7075 (Alclad)8.11 70798.12 7079 (Alclad)8.13 70808.14 70908.15 70918.16 71498.17 71758.18 71788.19 7178 (Alclad)8.20 74758.21 7475 (Alclad)8.22 Bibliography
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8.9-72
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8.9-73
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8.9-75
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*8 .9-77
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7ABLE 8.9.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
* D~~ATA- ASSOCIATED WITH FIGURE 8.9.3.1INCANGEFT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T6ENVIRONMENT7 R. T ,H. H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)I
SR=+0.00 R=+0.70
A: 7 37 5. 31DELTA K B: 4.70 5.04
MIN C:D:
5.00 6.306.00 11.9
V7.00 20.0
83.00 7.62 31.59.00 11.9 47610.00 . 16.8 69.713.00 . 34.6 198.
A: 15.07 51. 1DELTA K B: 14.64 336.
MAX c:
ROOT MEAN SQUARE 7. 71 10. 19PERCENT ERROR
LIFE 0.0-0.3PREDICTION 0.5-0.0
RATIO 0.89-1.25SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.9-78
Downloaded from http://www.everyspec.com
CONDITION/HT: T8 ALUM.FORM: SHEET YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 163"FREQUENCY: 9. 00 HZ SPECIMEN WIDTH: 5. 000" 7075
- ENVIRONMENT: R. T.. H. H. A. REFERENCES:BW002
AK (MPA ./-m) AK (MPA M- ). 4 10 40 100 4 10 40 100
. STRESS RATIO= -k.00 10STRESS RATIO= +0. 70
010.
10
110. 102
-3- E3
1 10
~10.4 10o5 - -.1
4 4-
16 lo u ,
. 1 30 10- 3 EE
z710 10
;.'' D ._ 10 . o 10 .
...7 -- _710 10-4- 10.
1 06 j0 010 - 00
-- 106 --.,.,-.0_ 10 .
1 0 . 8 1 , ~ l I l I , t ,1 . 8 , I , I I I , l I
4 10 40 100 1 4 10 40 100
STRESS RATIO = STRESS RATIO= 10o
1O2 1 _2
0 1 -1
-.-,10 3 U03 -
-- 2",_ __ 0.
-.. )- -- 4 0 -2 _O __0_10 10 - -
c= 0- - 0 3 10"3E
70 10 -
-
@1%l -6
E.,. I _ l 10 4 U 0 4 "u
.6 - 106
1010- 10
107__ ___ __ _10 -7
10.6 1
108 10 8 1 1 il I , I 1, 1,1 4 10 40 100 1 4 10 40 100
AK (KSI v/Tn) AK (KSI /in)
Figure 8.9.3.1
8.9-79i-'N..
Downloaded from http://www.everyspec.com
TABLE 8.9.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRES6S INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.2 INDICATING EFFECT
OF STRESS RATIO
-------------------------------- ----------------------------------------------------------
MATERIAL: ALUMINUM 7075CONDITION: T6
" ENVIRONMENT: R T . LAB AIR
--------------------------------------------------------------------------------------------S-DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**I/ )A B C D
R7+O. 00 R=+0 33
A. 8. 77 3.93
DELTA K B: 5.85 2. 55MIN C:
D:
6.00 2. 74
7.00 4.20
8.00 6. 019.00 4. 14 8.2910.00 5.95 11.2 t',
13.00 11.4 26. 116.00 16.3 59. 5
20.00 42.6 174.
25.00 137. 430.
30. 00 297.
A: 32.86 711.. DELTA K B: 27.54 503.
MAX CD:
------------- ---------------------------------------------------------------------------
ROOT MEAN SQUARE 9. 30 8. 85PERCENT ERROR-----------------------------------------------------------------------------------------
LIFE 0. 0-0. 5
PREDICTION 0. 5-0. 9RATIO o.8-1. 25 1 4
SUMMARY 1.25-2.0
(NP/NA) >2. 0
8.9-80
Downloaded from http://www.everyspec.com
CONDITION/HT: TS LMFORM- 0.09"TH SHEET YIELD STRENGTH: 71.8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 80. 1 KSIORIENTATION: T-L SPECIMEN THK- 0. 090'FREQUENCY: 13. 30 HZ SPECIMEN WIDTH: 4. 000' 07ENVIRONMENT: R. T. *LAB AIR REFER ENCES:8821 3
A K (M PA -,/-M) AK (MPA \/Th)4 10 40 100 4 10 40 100
STRESS RATIO *1210 100 STRESS RATIO *0-. as3
10- -0-
10-2 44 0
U
C 1 0- -0
Ez 5 _ _ 1
10 10
0 106 1067 -7~II ~ ~ .. jJ.~ o
10 108
10o 10-1
10 3. 103
- 0 10-
10
1: 70 10, E 0
10 10
10.
1068 108
1 4 1 40 100 1 4 10 40 100AK (KSI VThAK (KSI V~
Figure 8.9.3.2
8.9-81
Downloaded from http://www.everyspec.com
TATILE 8.9.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS .2OF STRESS INTENSITY FACTOR
DATA ASOCIATED WITH FIGURE 8.9.3.3 INDICATING EFFECT
OF FRLQUENCY
MATERIAL: Al UM.NUM 707 CONDIIION T6ENVIRONMENT R T ,I.lAP ATR
DELTA K DA/DN jO(**-b IN. /CYCLE)(KSI*IN**1/2)
A 3 C D
F HZ)- 1.00 F(HZ)= 3. 00 F(HZ)= 10.00
A. 5.27 4 9:3DELTA K B 7 52 16. 3
MIN C 4. 06 2. (37D:
5. 00 5.906.00 6. 32 9. 8570 00 11.0 14.38.00 17. 7 19.6 19. 19.00 27.2 29.6 24.4 -10.00 40. 6 45.6 30. 313.00 127. 155. 53. 516.00 383. 99 620. 00 1703. 284.
A: 21.02 2857.DELTA K B: 14.69 "284
MAX C: 22.64 673.D:
ROOT MEAN SQUARE 50. 65 7. 76 6. 16PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0 8 3
RATIO 0.8-1 25 7SUMMARY 1.25-2 0(NP/NA) >2 0
8.9-82
-. --
Downloaded from http://www.everyspec.com
P -.
CONDITION/HT: T5 ALUM.FORM: 0.13- 0.20"TH SHEET YIELDSTRENGTH 74.7- 79.9 KSI ALLOYSPECIMEN TYPE: CCP ULT STRENGTH 80. 0- e9. 7 KSIORIENTATION: L-T SPECIMEN THK 0. 040- 0. 200"STRESS RATIO: -0. 50 SPECIMEN WIDTH: 3. 900- 11. 500" 7075ENVIRONMENT: R.T.U LAB AIR REFERENCES: 8608. MA009
A K (MPA AK (MPA / M)
4 10 40 100 4 10 40 100I I' r ill I0 I[ I
FREQUENCY (Hz) 1.00 10 FREQUENCY (Hz) = 3. 00
10-10 10 -
10_ 100 _
1o _3
102 102 2
"cj' 106 -• - 10 6 -- U
3 _10-6 10 E
--5 6
100 141 1o6
0100 10
10.6 1 -6
1068 1 18L I I I I hill .I Iihi1 10 40 100 1 4 10 40 100
FREQUENCY (Hz) =10. 00 FREQUENCY (Hz) 10
10- o- ,10 io>'10-
3 -- 10 -3 "- 10 -
-:. l _ - 10 -z40 4 _ - _ 1 .
10: 10 3 Ez E
,10 1 10- -
4o 4
- 10 -
10, 4 1
100
*10-6 -06 .
-8 -8-s ~ 10
&", K (KSI Vrin) Fitr .933&K (K SI 7v/n)%', Figure 8.9.3.3
8.9-83
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r - - - *.r r
IABLE 8.9.3.4
• TIGE CRACK GROWTH RATES AT DEFINED LEVELSOF SrRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.4 INDICATING EFFECT
OF FREQUENCY
MATERIAL ALUMINUM 7075CONDITION. 16EN IRONMENT: R 7 , LAB AIR
DEL.TA K DA/DN (10**-6 IN. /CYCLE)(KE;I*IN**1/2)
A B C D
F-(HZ= 00 F(HZ)= 3.00 F(HZ)= 10.00 F(HZ)=
0 10-30 00
A 11. O 21. 4DELTA K B: 11. 0 : 24.2
MIN C: 5. 49 2.02D 8. 90 10.2
6. 00 3. 137.00 5.758.00 8. 579.00 11.4 10.3
10. 00 14. 0 11. 2 .13. 00 31. 4 33. 22. 0 16. 416.00 52. 8 52.8 32.8 26. 420.00 103. 92.8 60.0 51.5
25.00 244. 148. 144.30.00 615. 376. 393.35.00 1629. 871. 1076.40.00 1562. 2926.10. 00 5417. 20651.
A: 35.09 1650.DELTA K B: 21.38 112.
MAX C: 50.23 9105.D: 53. 14 37570.
ROOT MEAN SQUARE 25. 26 1. 82 13.79 31. 11PERCENT ERROR------------------------------------------------------------
LIFE 0.0-0 5PREDICTION 0. 5-0 6
RAIJO 0 8-1 25SUMMARY 1. 25-2 0(NP/NA) p2 0
8.9-84
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°0 I CONDITION/HT: T5 ALUM.
FORM: 0. 13- 0.20"TH SHEET YIELD STRENGTH: 74. 5- 79. 9 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 80. 0- 8.7 KSIORIENTATION: L-T SPECIMEN THK: 0. 020- 0. 200"
1" % -STRESS RATIO: .0.02 SPECIMEN WIDTH: 3. 900- 11. 500", ENVIRONMENT: R.T. .LAB AIR REFERENCES:88088. MA009. MA0007
AK (MPA A) AK (MPA )
4 10 40 100 4 10 40 100
FREQUENCY (Hz) 1.00 FREQUENCY (Hz) 3.0012
10- 10
10 10 10"
10. 102
-,.1 g/ . 4o-<,
,-
103
1013.6
>...--... - 10 _
10' lZ---_ 10-7 -E-
Z~0E
_ __"_0_I _, ~ i I il l -10zI, I ~ i, I , I, i l -
7 10 40 OV 4-
1 100 10-4 6
-6 5
10.3_10_ 010.
10 -__102
__-- 1 .2
.
._ I10
106- 10-6
1 4 10 40 100 1 4 10 40 100
FREQUENCY (Hz)= 1.0.00 10FREOUENCY (Hz) 100
-2 _____ 2 0.___ 010-10.00
10' 10' 3
1 10 2
1.=14 1 0 1O 4o1 40 10 E
4 4
. 10- 1 0-3K010 -10
lo- 10-s
i 7- 1 0' 5~ 10
-118 -j108 WWL
e1 4 10 40 10014 100 10AK (KS1 Vr'T) AK (KSI v/in
Figure 8.9.3.4
8.9-85
:::::
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-p. *- . *. .'..
".,
"ABLE 8.9.3.5
,-..- FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA A._ .SOCIATED WITH FIGURE 8.9.3.5 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075CONDITION: T6ENVIRONMENT: R T H H. A
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R-40 05 R=+O. 50
A 4.49DELTA K B: 1. 98 0408
MIN C:D:
2.00 04322.50 .1383.003. 504.0 :I5.00 .4566.00 1.607.00 4.528.00 8. 459.00 11.8
10.00 14.913.00 29.9
A: 15.95 34.5DELTA K B: 2.72 .131
MAX c:D:
ROOT MEAN SOUARE 28. 19 32 77PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 9
RATIO 0.8-1 25SUMMARY 1.25-2. 0
- (NP/NA) >2. 0
r9-6
• , 8. 9-R6
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• -S.":.,..', ',. J ' .- , _' , -' . "" . ', - ." . ' .
Downloaded from http://www.everyspec.com
CONDITION/HT: TS ALUM.FORM: 0.20"TH SHEET YIELD STRENGTH: 75.6 KSI ALLOYSPECIMEN TYPE: CT LULT. STRENGTH: 81. 2 KSIORIENTATION: L-T SPECIMEN THK: 0. 200"FREQUENCY: 9. 00 HZ SPECIMEN WIDTH: 3. 750" 7075ENVIRONMENT: R. T. . H. H. A. REFERENCES:BWO01
A:'-- AK (MPA ,/m ") AK (MPA -" 14 10 40 100 4 10 40 100
STRESS RATIO -0.05 STRESS RATIO -+0 . 50
102 10
2
10 10'
13 __ _ __ _ __ _ _ 103_ ___ _
10 10. 2
10 10 E
- _ _ _ _ _ _ _ _ - 1100 10 z
"O _ 1 -4 1 4 7
- o - Z
100 40 114 104 010
10-6 1
103 - 10. 1-
S - -, 10 2 -_ 10
10
10 . 10' 5 8 Z
1 4 10 40 10 4 10 40 100I Ii I~' IT -4 1't'i11O STRESS RATIO 10o STRESS RATIO =10
-2 ld______ ________ -i 2
: 10lo
10 10-
10 - _ __° _ __ _-_ __ __
o -10'u44 u
4_ _ _ -1 00 3i4_ _01 0 E0100
-C, AK(KIa/ EEA (S
z 5 5101
lo 51 10-
1 0-,,1..10 1 06, 1 0
1 4 10 40 100 1 4 10 40 100AK (KSI -inT) AKur (K.t).3.5n
8.9-87
Downloaded from http://www.everyspec.com
-W
fADLE 8.9.3.6
F-ATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.6 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION. T6ENVIRONMENT P T ,L H A
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A 13 C D
R = - 1.00 R=+O 00 R=+0.50
A: 7. 21 1 47
DELTA K B 5 56 . 51MIN C. 4. 11 .51
D:
5. 00 1. 336. 00 .742 2. 667. 00 1 .49 4. 416. 00 2. 47 2 61 6.679, 00 3. 93 4. 18 9. 69
10.00 5. 52 6.20 13. 913.00 12 0 14. 8 42. 016.00 27 4 26. 2 129.20.00 87. 9 51. 7 476.25.00 291. 179. 1392.30. 00 750. 607.
35. 00 1954.40. 00 5752.
A: 11. 22 7659
DELTA K B 32. 61 826.MAX C: 25.42 1471.
D
ROOT MEAN SQUARE 29. 68 9. 93 13. 48PERCENT ERROR
LIFE 0 0-0 5PREDICION 0 5-0. 8
RATIO 0.8-1 25
SUMMARY 1. 25-2 0(NP/NA) :20
41.
Downloaded from http://www.everyspec.com
-':. ' ,
CONDITION/HT: T ALUM.FORM: 1.00"TH PLATE YIELD STRENGTH: 80.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 88. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 250'FREQUENCY: 10. 00 HZ SPECIMEN WIDTH: 4. 000" 7075ENVIRONMENT: R. T.. L. H. A. REFERENCES:MA007
AK (MPA ) AK (MPA V 'T)
4 10 40 100 4 10 40 100
STRESS RATIO= -1. 10 STRESS RATIO = +0. 00
1 162
10_ 10 2 10.1
*k),. 1___ __ _ _ _ _ _ _ _
10 10-2-44
0. - -.4
Z _ _- 1°- 1°6 - Z
110
_0 1 0 6 E-816
1 0 _
L ...1 0 "6J
4 10 40 1000
STRESS RATIO =+. 50 10 oSTRESS RATIO = 100o
101 1. 0 1
1I-2 1-
10"1 10
A .103 - 10-3 - 1
10- 2 10 . 2
101
,--. .- _1° 36
1•, ,-. 10 .
-3
10 3 E
1051 14 10
A;ZK (KSI %/ Figure 8.9.3.6 A K (KSI v'T'n)
~8.9-89
lo', ;" -.
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b , *.
TABLE 8.9.3.7
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.7 INDICATING EFFECT
"" OF STRESS RATIO
----------------------------------------------------------------------------------------* MATERIAL: ALUMINUM 7075
CONDITION: T6ENVIRONMENT: R.T. ,3.5% NACL-----------------------------------------------------------------------------------------
DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
•A B C D
R=-1.O0 R=+0.00 R=+0.50
A: 5.52 • 4.40DELTA K B: 5.55 3. 68
MIN C: 4.03 • 2.30. D:"
5.00 • 5.626.00 : 4.77 4.85 11.37.00 : 6.59 8. 16 18.1I8.00 : 9.96 12.5 24.89.00 15.3 17.8 32.0
, 10.00 : 22.9 24.3 41.013.00 : 58.4 50.6 99.816.00 94.6 88.9 256.20.00 : 130. 164. 540.25.00 : 255. 317.
30. 00 684. 608.35.00 " 1842. 1291.40.00 : 3446. 3088.
A: 40.00 3446.DELTA K B: 46.80 : 7874.
MAX C: 24.70 : 844.D:
----------------------------------------------------------------------------------------
ROOT MEAN SQUARE 21. 00 24. 09 16. 59PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8RATIO 0. 8-1.25SUMMARY 1.25-2.0(NP/NA) >2.0
8.9-90
a.J
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Downloaded from http://www.everyspec.com
.
CONDITION/HT: T8 ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH: 80. 0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 88. 0 KSIORIENTATION: L-T SPECIMEN THK: . 250" O]
-- FREQUENCY: 0.10 HZ SPECIMEN WIDTH: 4. 000" 775ENVIRONMENT: R. T..3. 5% NACL REFERENCES:MA007 75
&K (MPA V/'m) AK (MPA -/'m)4 10 40 100 4 10 40 100
STRESS RATIO= -1.00 1STRESS RATIO = +O. 0021 ________ _ _ _ _ _ _ _ _ 2 _______"--__
10 .3 _10
._ _ _10
.3 1
W 10-2
101
> -4
1, 10o" ,
. z°i 1-° E:3 3 E
*" 1 6611 1I I 1 61 ,, I I l
10 - 01
10 10S
1 5 - 10
5 E
, 1-8 .... L. L LJ.... 101 4 04i0
1 10 40 1004
© 10. = - 10 . 5 -"
-2m -________
10 10
• T10 6 10.1
10F,0. 1 OF72
I_ -l~ a I I 11 1 1 1 1 h i
8 I ll, I 1 1 , ,11 1 1 ,1 Z1 4 10 40 100 4 10 40 100
--
5
10 10-
13 16 1
1 4 10 40 10 .24 10 4 10 2
44
16_16
'., - 9
10..................................................................
Downloaded from http://www.everyspec.com
TABLE 8.9.3.8 .4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.8 INDICATING EFFECT
OF FREQUENCY
MATERIAL: ALUMINUM 7075CONDITION: T6ENVIRONMENT: R T., 3. 5% NACL
DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
F(HZ)= 0.10 F(HZ)= 1.00 F(HZ)= 10.00
A: 5.55 : 3.69DELTA K B: 5.63 : 4.39MIN C: 5.57 : 2.62
D:
6.00 4.86 5.76 3.977.00 8. 15 10.3 7.998.00 : 12.5 16.0 12.6
9.00 " 17.8 22.5 17.410.00 24.3 29.8 22.013.00 : 50.7 57.2 36.516.00 : 89.0 95.9 57.120.00 164. 177. 109.25. 00 317. 357. 253.30. 00 : 609. 742. 567.35.00 " 1294. 1741. 1076.40.00 : 3078. 4702. 1663.
A: 46.80 : 7916.DELTA K B: 40. 16 : 4865.
MAX C: 42.38 : 6275.D:
ROOT MEAN SQUARE 24. 10 12.25 18. 40
PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0.0RATIO 0. 8-1.25B;qL"SAY 1.251-2. 0
(NP/NA) >2. 0
8.9-92
Downloaded from http://www.everyspec.com
K CONDITION/HT: T1 P ALUM.
FORM: 1. "TH PLATE YIELD STRENGTH: 80.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: B8. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 250:" ,STRESS RATIO: .0.0 6SPECIMEN WIDTH: 4.00 7075
.ENVIRONMENT:,R.T. , 3. 52 NACL REFEIENCES:MA007
AK (MPA %/7) AK (MPA /m)4 10 40 100 4 10 40 100
FREQUENCY (Hz) 0.10 100 FREQUENCY (Hz) 1.00--'. 02_ -.1 2 _ _________ _______ _ --
0 - 101 10
10.1 I 10 3 '
1" 10 -- 10 L. 0 10-1 0- ES -31 01 5
4 4
510 7 10 - 5
-106 -10"6
1 0 "e 1 1 I 1 I 1 , 1I l , 1 0 8 I
1 4 10 40 100 4 10 40 10
,,." 1 FREQUENCY (Hz) 100 -=10 @B FREQUENCY (Hz) = 10
10"6 10-1
1010. 2
:.'. -- -- 10"
to- 3 13':10
303 E03 -, - , 10-2 10 .2 _
G 10- 10 - E
1005 105 Z
10-4 4--0
V 10- cm-6 -06-
10 - 10-
JhOF 7 1.C7
- - 1_ 10 6
16 161to .lL.10 . I. I Lj1,L I I J ,1 - 10 I ,.L, 11, .LLLL 1,1
4 0 40 100 1 4 10 40 100
A K (K S I 7T) Figure 8.9.3.8 AK (KSI v"n)
8.9-93
'. . . .. . . . .. ..".°'1 & ' % " ' '"',-'-• ' .. * ",'," , .'*,, * " , *- - - - - - --. '. r,'.' '.'"." ' ''. '. ."
. ,-.%.
Downloaded from http://www.everyspec.com
TABLE 8.9.3.9
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.9 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T6bl
ENVIRONMENT: R. T., H. H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)';:, (KS I "I N**' 1/2)
A B C D
S R=+O. 33 R=+0. 80
A: 2.23 00626DELTA K B: 1.29 " .0234
MIN C:
D:
1.30 .02531.60 : .09242.00 : .2062.50 .0678 .433
03.0 : .227 .9653.50: .593 2.524.00 : 1.33 6.765. 00 : 4. 296.00 " 8.76
7.00 : 13.88.00 : 18.89.00 : 23.510.00 • 27.8
13.00 : 42.716. 00 : 76. 1
A: 16.58 : 87.3DELTA K B: 4.65 : 14.4
MAX C:-,'.' D:"
ROOT MEAN SQUARE 27. 35 25. 22PERCENT ERROR
LIFE 0. 0-0. 5 2PREDICTION 0. 5-0. 0 1 1
RATIO 0.8-1.25 1 1SUIIMNARY 1. 25-2. 0(NP/NA) >2. 0
8.9-94
• f.w¢;<;..% r ',,, '.;. ,...,% -;.;.;;..." % vW,' ." ,- .- .; -.'-',-. ...----;. .l -;, , .,V.- "-.V ' "; " ""-."-.
Downloaded from http://www.everyspec.com
CONDITION/HT: TO51 ALUM.FORM: 0. 25- 0. 75"TH PLATE YIELD STRENGTH: ALLOY1K , SPECIMEN TYPE: WOL ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 249- 0. 254"FREQUENCY: 25. 00 HZ SPECIMEN WIDTH: 2. 548- 2. 555" 7075
, ENVIRONMENT: R. T. v H. H. A. REFERENCES:ALU05
KS
% .%AK (MPA Vm) &K (MPA V/)4 10 40 100 4 10 40 100
STRESS RATIO= 49. 33 10 STRESS RATIO = 4. go
1-2 1-210 - 10
010 103
10 2 10.2-
1010 3 E
1°1 Ea 1- 10- z
1 - lO 10 lO 1, 0 O
610
1_- 10 .8 11 4n 10 40 1004 1 4 0
II-* I1 , 1 I I' 1 1 1 11 t ' I [ P II I 1 1 1 1 -\W -STRESS RATIO 10 STRESS RATIO= 100-2: _-2 ______,oi_ _________
101 10. -
* 10' 101-0:.- 2,io 10"2 -"
44
.2. 1--0O" 10"3E-.- z 05
" 1 -- 10-4 U0
4
10 _~ 10 105
!io 7 -- 10F ---6~0- 4 _________
10 1 140 0 10
SFigure 8.9.3.9
8.9-9510 . .L"L .L .r.,... L..L"...L ,-L.LLI'.1 .- 10.- -.,,- ,::; . ._:"-: .F .,:," , '- -.-,':...'.- '.-. .-. _.
Downloaded from http://www.everyspec.com
TABLE 8.9.3.10
- FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.10 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T651ENVIRONMENT: R.T. ,LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
N.: " R=+0. 02 R=+0. 50
A: 5. 43 . 16DELTA K B: 3.97 1.00MIN C:
D:
4.00 : 1.055. 00 " 3.046.00 : 1.09 5.287.00 : 2.50 7.658.00 : 4.30 10.79.00 • 6.28 15.0
S10.00 8.32 21.213.00 • 15.4 61.816. 00 : 27. 1 179.20.00 : 58.1 665.25.00 : 152.
. ., K30. 00 : 388.35.00 : 958.40.00 : 2267.
A: 49. 76 : 7986.DELTA K B: 22. 52 : 3850.
MAX C:
D.
ROOT MEAN SQUARE 39.73 11.82PERCENT ERROR
p------------- -------------------------------------------------------------------------------
LIFE 0. 0-0. 5PREDICTION o. 5-0. 8
RATIO 0. 8-1. 25SUMMARY 1. 25-2. 0(NP/NA) >2. 0
L8.9-96
V'*..%"
Downloaded from http://www.everyspec.com
CONDTIONHT: 851ALUM.FOR: 030-1.0"T PLTEYIELD STRENGTH: 73. 5- 78. 5 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 84. 0- 84. 5 KS IORIENTATION: L-T SPECIMEN THK: 0. 150- 0. 500"FREQUENCY: 0. 10- 30. 00 HZ SPECIMEN WIDTH: 3. 900"ENVIRONMENT: R. T. *LAB AIR REFERENCES:MA008B. MA009
,&K (MPA m) iK (MPA -./m)4 10 40 100 4 10 40 100
10II0ilSTRESS RATIO = -0. 02 10STRESS RATIO =-4-0. 50
1-2 -1 2 _________ -------- -__
100 10-
1~ 10.10F
10 -2 o102 102
c1 10 10- E5E
1z
1o74 10.4
106 0
1 4 10 4 0 4 0
10- 10-
'16 01F3610
1~1 40 10 420 0 0 4 0
4'- 4~ Z~1 TI ~ '
10 10 1010.1 101
b 3 -5 102 65 0.
0
lo4 10-
ulo - 10
~10 - 167-
*0 10610-6u
10 -ll 10
IT1 4 1 40 101 4 10 40 100&, 4 K (KSI vlh Figure 8.9.3.10 A K (KS I Vr/Tj
8.9-97
Downloaded from http://www.everyspec.com
TABLE 8.9.3.11
-A: FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WI TH FIGURE 8.9.3.11 INDICATING EFFECT
OF ENVIRONMENTPS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
.A B C D
E= R. T.S6. T. W.
A: 4.29 :.197DELTA K B:
- MIN C:D:
5.00 :.9256.00 2.54
7.0.5 1
A: 7.82 :8.68DELTA KB:
MIAX C:
D:
-- - - - - - - - - - - - - -- - - - - - - - - - - - - -- - - - - - - - - - - - - -ROOT MEAN SQUARE 18. 48PERCENT ERROR
LIFE 0.0-0.5-~ PREDICTIO3N 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.9-98
Downloaded from http://www.everyspec.com
.
FORM: 0. 53"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: DCB ULT. STRENGTH:
ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: .000 SPECIMEN WIDTH: 7075
. FREQUENCY: 15. 00 HZ REFERENCES:814070
".-".t ~~~ ~~
, MA./m K (MP A '/
4 10 40 100 4 10 40 100
ENVIRONMENT: R. 100 ENVIRONMENT:S . T .W.
N E
- ,.,10 - 102
310 10I
), .. 103 -- 0.1
10.2 102 Z.
,o _ 10. -- .E.
S5 E____-___I_ _.__IO__ z
1I 1 -1
io~o7 o74__ __ _- o
107 10-5
1 4 10 40 100 1 4 10 40 100I I fT, I = I' I 'II I 111 1
111ENV RONMENT: I 100 ENVIRONMENT: 10o
10 _ 10
1 0
3 1 1
i - -1022
E 11 _ E
Z E, 10- 5 10 110 5
6 __ __ __ __ __106 -
-1004
1 0
,", ,, 1 -- L .. LL iJ -0" 1 ---
1
14 0
4 I0 40
. .. A~~K (KSI V rTn) K(SI ' )
% , Figure 8.9.3.11 AK (KSI v'Th
8.9-99
, .,,. , .- J ,- ". % ..-. ,- . ' . .... . .... -..... , ... ..,• , " - . ... .. . ...- .. . . . . . . .. . . . , , ,
Downloaded from http://www.everyspec.com
TABLE- 8.9.3.12
FATIGUE CRACK GROWTH RATER AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.12 INDICATING EFFECT
Of- ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION. T651
* DELTA K .DA/DN (1O**-6 IN. /CVCLE)(KSI*IN**i/2)A
13B C D
E=R.T. E= R. T. E= R.T E= RT,DRY A IR DIST. WATER S. T. W. 3.5%. NACL
A: 5.81 .765* DELTA K B: 6.49 2.65
MIN C: 6.71 22.1D: 6. 19 1.89
6.00 .9747.00 2.37 4.46 6,478.00 . 4.38 8.31 6. 129 00: 6.92 12.6 24.1 9.3110.00 9.99 17.3 30.3 22. 713.00 24.3 38.3 51.4 73216.00 :98.7 105. 94. 7
A: 15.70 : 52.2DELTA K B: 18. 17 :232.
MAX C: 19.15 :321.D: 18.8e7 :270.
ROOT MEAN SQUARE 29. 98 17. 02 10. 39 15. 10PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1. 25SUMMARY 1.25-2.0(NP/NA) ~>Z 0
8. 9-100
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 AFORM: 0. 3"TH PLATE YIELD STRENGTH: ALYSPECIMEN TYPE: DCB ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK: 77STRESS RATIO: -0. 10 SPECIMEN WIDTH:FREQUENCY: 1. 00 HZ REFER ENCES881 40 77
&K (MPA -%/M) &K (MPA V/Th)4 10 40 100 4 10 40 100
ENVIRONMENT: R.4.011 '100 ENVI O8NMENT: R. T..DRY AIR DIST. WATER
10- - 10
101 10.1
10-30.1 0O 3 1 0E-
10 -5~ 5~~10 z
- 1oF4 4o 0
(y 10' 51
-6 16
-8 168 .LI
1 4 M~I~T 100 40 10 4II 10 40 00
S. T. W. 5Z NA.L 101000 10 VROMNT 0
-10'1 10-1
-2 -2-' 0)10 10)
- 10 1- 1 -
16 10- -J
10 Z:10-E
~10 6-16
o75 10a5
107 1010
1 0 4 10 1 1. 1K [JillIn 11.- v 1 4 10 ~40 1001 4 10 0 10
Figure 8.9.3.12
8.9-101
Downloaded from http://www.everyspec.com
TABLE 8.9.3.13
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGLRE8.9.3.13 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R. T E= R.T.
:WATER SATURATED ALT. JP-4 FUEL;-. JP-4 FUEL & DIST. WATER
>2A: 11.25 11.4DELTA K B: 9.25 10.6
MIN C:D:
10.00 " 12.5
13.00 : 17.9 26.116.00 43.7 60.5
A: 19.59 : 204.DELTA K B: 19.37 : 167.
MAX C::D:
ROOT MEAN SQUARE 14. 72 20. 29PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
9-1
_ 8.9-102
Downloaded from http://www.everyspec.com
_ CONDITION/HT: T851 ALM.FORM: II. 83"TH PLATE YIELD STRENGTH:ALOSPECIMEN TYPE: OCB ULT. STRENGTH:
:, - ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: -e0. 10 SPECIMEN WIDTH: 77
*FREQUENCY: 1.00 HZ 70ERNE7594
AK (MPA &~W K (MPA4 10 40 100 4 10 40 100
® ENVIRONMENT: R. 100 ENV INET R I ITfilWAERSUAE D 3 - ALT. JP-4 FUEL AD
-62 FUL10____ -2 DIST. WATER
10- 10-
N4, 1103 oF
-2 -
i~10 -t 3 20
10 10
--310 ~103 E
10- Z0 z
161 166-
107 -010
I I~ 1 il I I I11 11 6 1
1 4 10 40 1004 10 0 1042N = 1 II' 11 1 1 1 1 11 1 11 11 '11111W -ENVIRONMENT: 10ll @ ENVIRONMENT: 100
10 - 010101101
10.3 10 - -3
_10 1 0,2
16 10
co - 13
10 10 1016 16 105
1~1 410 0 001 440 0 0
89-606
Downloaded from http://www.everyspec.com
TABLE 8.9.3.14
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS14 OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.14 INDICATING EFFECT
4. . OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T. E= R.T. E= R.T. E= R. T.: WATER SATURATED DIST. WATER S.T.W. 3. 5% NACLJP-4 FUEL
A: 8. 99 6.90DELTA KB: 9. 16. 8.04
MIN C: 8.86 31.9D: 7.86 18. 3
8.00 19.69.00 6.93 33.5 27.910.00 10.8 11.9 44.1 35.113.00 : 24.0 27.6 78.1 57.716.00 46.7 54.e 112.20.00 146.
A: 20.08 : 150.DELTA K B: 19.65 " 163.
MAX C: 13.91 : 94.4D: 19.42 : 353.
ROOT MEAN SQUARE 12.03 11.43 e.50 12.42PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1. 25-2. 0(NP/NA) >2 0
-8- .9-0
%.*
1 8.9-104
'p,:v .".;,.,,.",., .,',' ,%,,,,-',',. , ., %',;,,"' ,-',;(.V ."," -" " .. ""-
Downloaded from http://www.everyspec.com
%k -6
CONDITION/HT: T851 ALUM.FORM: 0. O3"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: DCB ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: 40. 10 SPECIMEN WIDTH: 7075FREQUENCY: 0. 10 HZ REFERENCES:88140
AK (MPA %/m) A K (MPA V/mi)4 10 40 100 4 10 40 100
ENVIRONMENT: R. T 100 ENV ONMENT: R.T..WATER SATURATED JTP-4 DIST. WATER
1-2 FUEL 1-2
10-3 10
_ 10.1 10 'E
10-4 _04 _
i0-- - 10i- o 13E
C 10-3 10-3 E>z -5 _ _ _ _ -5 .
104 10.4
i066 10.i6 "I
-- 10.5 _- 10
1- -- 10-Z -
1 10E-107 _- - 1
1 4 10 40 100 1 4 10 40 100
ENVIRONMENT: I- , 10 ENVIgRONMENT: R T . loo0S T W. Z,51 NA L
110- 101
10 103
1 ,p10 .2 s
10 10 0
1 1O
c 10.5 10. E106 - - E
4010 40 10-10- 1100 8 ,I I I , I1l l 10.1, I , , [ ll l
a,. 0 4 10 0 21 1-4100;'>. -4
-- 1104 .2l1 - io -
-6 -610 101
107 1078 1d I I I11 11
1 4 10 40 100 1 4 10 40 100AK (KSI '/~n) AK (KSI 7n)h
Figure 8.9.3.14
4 8. 9-105
Downloaded from http://www.everyspec.com
TABLE 8.9.3.15
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.15 INDICATING EFFECT
OF ENVIRONMEN1
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T. E= R. T. E- R.T. E= R.T.DRY AIR DIST. WATER S.T.W. 3. 5% NACL
A: 3.96 .158DELTA K B: 5. 58 B. 38MIN C: 3.53: .517
D: 3.38 .167
3.50 : .2464.00 .187 .982 1.985.00 : 2.16 8.63 6.036.00 4.88 8.88 18.6 10.37.00 6.84 11.4 23.6 18.48.00 : 9.54 18.5 29.4 29.69.00 : 16.1 43.9 41.110.00 : 35.6 75.9
A: 10.25 : 45.4DELTA K B: 8.82 : 33.3
MAX C: 10.94 : 139.D: 9.54: 45.9
ROOT MEAN SQUARE 18.28 4.22 21.92 21.21PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2.0
8.9-106
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 0. 83"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: OCB ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: -IL 51 SPECIMEN WIDTH: 7075FREQUENCY: 1.00 HZ REFERENCES881407
AK (MPA v/') AK (MPA Vm,/)4 10 40 100 4 10 40 100
ENVIRONMENT: R.. 10 o ENVIRONMENT: R.T..DRY AIR DIST. WATER
1-2 106210 10 -1
10 -3 _1 -3
10.2 102z U>, -4 -4 _
.. , - 2103 0-3 E
C 10 _ 101E
161
.1F . 1 - 5 0.
10 - 10.
ENVIRONMENT: . 10 o
1101 10-1-073 - 11- ~101,4 10 40- 100 1 4 0 0 0
-0 _ 122 10-2 _-10.1
10
- 10.3 10 3 E
00. 4
z10. - 10-
10-4
10- 1010-[1 6 6 i o- 5
10-7 -7S10 6 0 6
10-6 I , JI j 1 1,, I J= I J - 106 I , I , 1,1I I Il, -
1 4 10 40 100 1 4 10 40 100AK (KSI /Tn) AK (KSI v/'n)
Figure 8.9.3.15
8.9-107
Downloaded from http://www.everyspec.com
,."
TABLE 8.9.3.16
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
4. DATA ASSOCIATED WITH FIGURE 8.9.3.16 INDICATING EFFECT
OF ENVIRONMENT-----------------------------------------------------------------
MATERIAL: ALUMINUM 7075CONDITION: T651 S
---------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B D
E= R. T. E= R. T. E= R. T. P:DIST. WATER WATER SATURATED ALT. JP-4 FUEL
,JP-4 FUEL & DIST. WATER
A: 6.27 6.51DELTA K B: 3. 50 .444
MIN C: 2.88 .597 P- ~D: ""-
3.00. .7403.50 .444 1. 134.00 .851 1.315.00: 3.39 2.52 t6.00 5.49 9. 117.00 10.1 7. 14 14.28.00 : 14.9 10.3 14.69.00 " 22.0 18. 510.00 36.6 43.6
A: 11. 15 : 81.4DELTA K B: 10.23 • 55.1
MAX C: 8.30 " 20.0
-------------------------------------------------------------------------------ROOT MEAN SQUARE 6. 97 13. 51 12. 76PERCENT ERROR
LIFE 0. 0-0. bPREDICTION 0. 5-0 8
RATIO 0.8-1 25SUMMARY 1.25-2 0(NP/NA) >2. 0
891
8. 9-108 p.
', ., ,,.$.. . . .% .* - . .,.....,V .,. . ..- -.- ..-..-. . , .. , . . . . . . . -
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM: 0. 63"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: DCB ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: -0. 50 SPECIMEN WIDTH: 7075FREQUENCY: 1.00 HZ REFERENCES:88 140
&K (MPA V/-') &K (MPA V-*)4 10 40 100 4 10 40 100
FNVIRONM2NT- R. 7 100 ENVIRONMENT: R. T..S- WATER SATURATED JP-4
1-2 -02 FUEL10 10I 10 "
101o1 - 10.1
1OF112 1 2
" EI1. o10" -4 44
-63 -6 E__ __010 1
-o 10-6 z
10 10
j1lO 7 1C"710"6 10-6
" 1OS/1 I I I, I IlIl I I I I I el 168 I, 1 III I I ,III,I
01 4 10 40 100
FELAN ELVPpETIuR14.1 100 @ ENVIRONMENT: 10o
* -12 DIST. WATER 1-2 __ _ _ _ _ _ _ _ _ _
1010"
r.'. m 1 0 "
/.:. 10. 10-2
10. 3 103 E
,".. 10"1
14, 4, 10. 0
.3
1 10 10
" 5
10 10
1 1 1 106 1010"0 I L. I , l~l LL l i.....l.Llih 10"e ..I ,II, I i . -II
1 4 10 40 100 1 4 10 40 100-,,& K (KSI vrn) F8.9.3.16 AK (KSI /Tn)AK(KS Figure 8.9.3.16
8.9-109 .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.17--. "
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS "1OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.17 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
E=+ 175F E=+ 175F E=+ 175F E=+ 175F:DRY AIR JP-4 FUEL DIST. WATER 3. 5% NACL
A: 5.11 : 2.62DELTA K B: 7.10 " 5.35
MIN C: 5.41 - 2.13D: 5.23: 6.06
6.00 : 2.88 4. 88 12.37.00 : 4.83 9.55 22.98.00 • 10.0 13.4 34.2
9.00 : 12. 1 19.3 44.110.00 33.0 51. P
A: 7.00 • 4.83DELTA K B: 9.99 30.2
MAX C: 11.51 : 120.D: 11.40 • 57.4
---
ROOT MEAN SQUARE 19. 87 12. 94 28. 74 6. 73PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1.25-2 0(NP/NA) :,:2. 0
'.
S.
.,%-
4 8.9-110
4, l
. ..
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM: 0. 63"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: DCB ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: +0. 50 SPECIMEN WIDTH: 7075FREQUENCY: 1. 00 HZ REFERENCES:88140
AK (MPA AK (MPA
4 10 40 100 4 10 40 100
ENVIRONMENT: "1 5 100 ENVIRONMENT: 175 .-DRY AIR JP-4 FUEL
Sd 102 102
101 101
.... 1o3 ,- iO3
- 10-2 10-2z 75
> -4 -4 _________
c 10. 3 10 3 EEZ _______' - ,o =- z
"'"0" 10 1 4, 0"
0--
1005 10 5
6 610 . 10-
10- - 18 10 8
1 4 10 40 100 14 10 40 100
E©YFNI ER 10 0 ENVIP 1004
102 102
10 "1 10 - 1
;'o7103 10
3
010-2 -2
.10 ° ..2 10 . 0)
10 "-1010
4
4" 4
-3S,10 -3 E10Ez -5
.- 1 6 110 1041 10'
_ 1 4 10 40 100 1 4 10 40 100,. '-.'.A (S *T Figure 8.9.3.17 K(Sv"T
F 8.9-17
,,f:,, , , .. "< .. ,' '7 ,', , .. ," ," .. .. . . , . .. ... . . . . . _ . ' " .'"; ." .' :.." ' " .. . .. . .."'-".-" -". .".. .".. ."' -"...-. .'-..- •. .... '"" ""...- -.--... ".
Downloaded from http://www.everyspec.com
.- 1TABLE 8.9.3.18
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
I.- DATA ASSOCIATED WITH FIGURE 8.9.3.18 INDICATING EFFECT
4." OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
* A B C D
E= R.T. E= R.T. E= R. T.:DRY AIR DIST. WATER 3. 5% NACL
A: 5.35 " 2.74DELTA K B: 4. 90 3. 16
MIN C: 5. 19 7. 56D:
5.00 3.21
6.00 . 7. 19 5.34 11.97.00 : 10.3 9.90 24.98.00 ' 15.7 15. 5 31. 19.00 " 24.9 23.7 38.010.00 " 39.7 38.8 60.2
A: 10.31 : 45.9DELTA K B: 10.66 : 57.4
MAX C: 11.28 : 192.D:
ROOT MEAN SQUARE 21.97 9.93 17.22PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0. 8-1. 25SUMMARY 1.25-2 0(NP/NA) >2. 0
8.9-112
o.K- .-. -• -• .. . .
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 0. 83"TH PLATE YIELD STRENGTH: ALLOY
SPECIMEN TYPE: DCB ULT. STRENGTH:
ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: *0. 50 SPECIMEN WIDTH: 7075FREQUENCY: 0. 10 HZ REFERENCES:88140
AK (MPA V'm) AK (MPA Vm
4 10 40 100 4 10 40 100
ENVIRONMENT: R. . 100 ENVIRONMENT: R. T..DRY AIR -DIST. WATER
162 10.2-2 ______ _ __ -2101 _____ _____10
1___
10 - 10-
10.
10. 2 -
.i., __ __ __ _ _-___ _ _-___ _ _
S102 -210
10. 10
. - 3
Z,. -_ - E
m 10 -
-6•_ _lO___-6 _ _ _ _ _
V. 10 10 4
-551 1"- 10"0
;- ___________ __________- ___________lO.6
________
110 40 100 1
54L 1 0 40
*" ENVIRONMNTR 100 o ENVIRONMENT: 100o
1010 10.2
'-- 10 - 1
10- 10. 6
108 102 ;"
1 14 1 1040 1 0"
0 NA -- 1-
•Z -10 -4 __ _ __ __ 10.
10 -- 10-6 -1
d 10-1
0 10 . 2
10 _c
-7 -- 1-7 "
10 3
S00, 1 1
1 4 10 40 100 1 4 10 40 100
L Figure 8.9.3.18'; 8.9-113
E10.
" _ i; _ i i : i ii i " " , .L . " 1 .;- ;-: i : •;:7.,'V,'. ~ 1O 1, 0'F'" """". , .. , , ,"., , , . " . , . -. - ,, . . " . - - .- .. . ,, . .. . .
Downloaded from http://www.everyspec.com
-~~~~~ - - - - - . .
TAB3LF 8.9.3.19
FATIGUE CRACK GROWTH RATES AT DEFINFD LEVELSOF STRESS INTENSITY FACTOR
DArA ASSOCIATED WITH FIGURE 8.9.3.19 INDICATINg EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T-51
DELTA K DA/DN (1O**-b IN. /CYCLE)(KSI*IN**I/2)
A B C 1)
E = R.T.:WATER SATURATEDJP-4 FUIL.
A: 4.90 3.86DELTA K B:
MIN C:D:
5.00 3. 886.00 5. 307.00 8. 64
8.00 13. 1 !9.00 17. 810.00 26. 7
A: 11.02 51. 9DELTA K B:
MAX C:
D:
ROOT MEAN SQUARE 13. 01PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2. 0(NP/NA) >2. 0
.
891
.5.
-.
Downloaded from http://www.everyspec.com
CONDITION/HT: T551AUM* . FORM: 0. 63"TH PLATE YIELD STRENGTH:ALO* SPECIMEN TYPE: OCB ULT. STRENGTH:
ORIENTATION- T-L SPECIMEN THK 77STRESS RATIO: -o0. 50 SPECIMEN WIDTH:FREQUENCY: 0. 10 HZ RIEFERENCES:88140
&K (MPA -,/W) AK (MPA x~4 10 40 100 4 10 40 100
TI 'I' T IENVIRONMENT: R. 100 ~%) ENVIF 8NMENT:WATER SATURATED JP-4
1-2 FUEL -62 _______
10- 1010
101 101
1 0O 3 1 0, E -
10~ 105 E
10- - io-
-1 -66 6__ _ __ _ _
108 -10
1 4~ 10 4 0 0 4 0
10- - 10
4 410 040
10 10- 1010.110 1
1 5- 10-5
102 10.2
16 10F-
107 - 6 1 0F ,- 11 -
1 4 10 40 100 1 4 10 40 100
Figure 8.9.3.19
8.9-115
Downloaded from http://www.everyspec.com
TAB3LE 8.9.3.20
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.20 INDICATING EFFECT
OF FREQUENCY
MATERIAL: ALUMINUM 7075CONDITION: T651ENVIRONMENT: R. T. D3. 5%( NACL
DELTA K .DA/DN (1O**-6 IN. /CYCLE)
(KSI*IN**l/2)A B3 C D
F(H7)= 15.00
A:DELTA K B:
MIN C:D:
200. 00
A:DELTA K B: -
MAX C:D:
ROOT MEAN SQUARE 0. 00PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1. 25SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8. -1
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM . 83"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: OCB ULT. STRENGTH:ORIENTATION: T-L SPECIMEN THK:STRESS RATIO: +0.50 SPECIMEN WIDTH:
" ENVIRONMENT: R.T..3.5% NACL REFERENCES:98140
AK (MPA Vm) AK (MPA \/"m)
4 10 40 100 4 10 40 100(Z I , I~ ~ ,I , , ' 'lV -t I -- I'I' ' I fll
FREQUENCY (Hz) 15. 00B " 100 @-R UE ) 15.0FREQUENCY (Hz)*:.. - _ _ _ _ _ _ ___ _ _ _ _ - _ _ _ _ _ _ ___ _ _ _ _
10. 10
-10 1 10 "1
.2-'.23" -- 10
.2 _ __ _ __ __ _ __ _ ____10
.2 _.
10 10 -4 --
'd -410 -.10 10
.
%-3 E11 0 1_
,01 -5
10 1
10. 5 10 .5
EL _ 0; 1- 10- --10
~~1 100
111'
,46''108 ,,1 ~ll
4 10 40 100 4 10 40 100
FREQUENCY (Hz) =100 FREQUENCY (Hz) =100
1-2 1-2 ________ ______ __
010" 101
, 613. 10_ " Fa
10-2105 -
• . .11021 4 10
10- 30" E__ ___.__ 4 _._ ___l_ _s __ _ __ lz__" - 0 1 0
10 _ __ _ _ __ _ 105 E
U4 00
10-5:
10140010 - 1011
S 1~ 4 10 40 108 11 4 10 4 100
,& KS K (KSI VI'M)
Figure 8.9.3.20
8.9-117
Downloaded from http://www.everyspec.com
K:-'. ,--
TABLE 8.9.3.21
,X- FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
.. DATA ASSOCIATED WITH FIGURE 8.9.3.21 INDICATING EFFECT
OF ENVIRONMENT-----
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
- A B C D
E= R. T.:NITROGEN GAS
A: 3.78 : 1:38DELTA K B:
MIN C:D:
4.00 " .2155.00 : 1.096.00 : 3.237.00 6.298.00 : 8.85
A: 8.80 : 9.66DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 28.25PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1
SUMMARY 1.25-2.0 1(NP/NA) >2.0
.-. 1
•...%
'*'..'..-. . ...:.4 4 44 4,
• ° .4 4. _4 .'. . ..-. 4.' . . . . . . . . 4.4 **
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1.00"TH PLATE YIELD STRENGTH: 70. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK: 0. 515"
. " STRESS RATIO: 0. 50 SPECIMEN WIDTH: 1. 031- 1. 032" 7075
FREQUENCY: 20. 00 HZ REFERENCES:MR170
AK (MPA .Vm) AK (MPA V/")4 10 40 100 4 10 40 100
10 ENANNMNT
1-2 16_______ -i 2
10- o '-,oo 101
10. 1 100. ;
-4 z________
. 10 3 10 -3 E
1o 10.2
10- -- 7 104 4 .
"o7 100
1-6 10
1 4 10 40 100 1 4 10 40 1001 1• 11T I 1110 . 1 .
ENVIRONMENT: o ENVIRONMENT: 100
10"1 10-1I
"..;
10-.-,i10-10_
e0U3 -103
L',2 10-210- 10-2
16 U
c 1.. 3 EE
1655
-" 0 6 -- _ _ _ _ _ _ -1 0 .6,.. 10
.0101 o5
08 108
1 4 10 40 100 1 4 10 40 100"'" . AK (KSI v'Tn) AK (KSI V/n)
Figure 8.9.3.21
:'s' 8.9-19i92P .
Downloaded from http://www.everyspec.com
•. .- -
TABLE 8.9.3.22
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS " .OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.22 INDICATING EFFECT
OF FREGUENCY-----------------------------------------------------------------------------------------MATERIAL: ALUMINUM 7075CONDITION: T651ENVIRONMENT: R.T. .3.5% NACL
DELTA K . DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
• A B C D
,.,.:.:. . F(€HZ )= 0.2 0
A: 3.33 1.81;% ,
DELTA K B:MIN C:
D:
3.50 : 3.094.00 5.24
A: 4.40 : 11.9DELTA K B: -2
MAX C: :"3" D:
ROOT MEAN SQUARE 24. 66PERCENT ERROR
N LIFE 0.0-0.5PREDICTION 0. 5-0.8RATIO 0.8-1.25 1SUMMARY 1.25-2.0(NP/NA) >2.0
V.
8.9-120
4%' o , -i - o . . . - l , o o . , . , . . . o . . , , , , , . . ..
Downloaded from http://www.everyspec.com
CONDITION/HT: TA51FORM: 1.00"TH PLATE YIELD STRENGTH: 70.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:
* .. ORIENTATION: T-L SPECIMEN THK: 0. 514".T. STRESS RATIO: -,-0. 50 SPECIMEN WIDTH: 1. 029" 7075
ENVIRONMENT: R.T. , 3. 51 NACL REFERENCES:MROO1
* .AK (MPA V./'i) AK (MPA ,/FM)4 10 40 100 4 10 40 100
FREQUENCY (Hz) 0.20 U FREQUENCY (Hz)
10- 10- 1
1 - O_8 -. lO . 2 __ 102 _
""~1 10-2- 1 -4 '
-4 4
,-. -% 10-"3 Z: 10-3 Ec..10 - _ _ _ _ __ _ _EZ 4__ __ 4 __7___1_
4 z" 106 - io6 -10
55.,.. - .- 10. 5 _ 10. 5
010-7 - 10-7
- --__ _ __ - _ -clO
-- 6101 L...LL.'.L...0LL.......*0. '" -'10 8 z , 1 1 .10-8
1 4 10 40 100 4 10 40 100M ' i n~'' I I I I' -*************------*lT -ti 'i*
FREQUENCY (Hz) 10 FREQUENCY (Hz) = 10
10 2 Z 10 2
10.1 o1
16~3 1-F102"- 110
4I,, - 4 -"-.,, 100"10- >".... " 10-3~3
E
_.._- _ -10 10 Z
10,. _
1 6 116
10 -
• .-.. _ 10.
- . .--*10.
1 8 -- Ill 1 8 1
-
%"' -". 4 10 40 100 1 4 10 40 100
2...' AK (KSI / m) A K (KSI V/71.'w,.',.Figure 8.9.3.22
_ 8.9-121
Downloaded from http://www.everyspec.com
TABLE 8.9.3.23
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.23 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL ALUMINUM 7075CONDITION: T65J
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
E= R. T. E= R.T.:3. 5% NACL, NITROGEN GAS,
. 20HZ 20HZ
A: 3.99 " 19.3DELTA K B: 3.41 1.02
MIN C:D:
3.50 : 1.044.00 " 19.5 1.215.00 : 39.5 1.866.00 : 58.9 3.03 t.,.7.00 " 4.96
A: 6.92 : 73.4DELTA K B: 7. 75 " 7. 13
MAX C:D:
----------------------------------------------------------------
ROOT MEAN SQUARE 15.21 15.46
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8
RATIO 0.8-1.25 2 3SUMMARY 1.25-2.0(NP/NA) >2.0
8.9-122
Downloaded from http://www.everyspec.com
17 4 _N74 I.-.- ~ - -.-
CONDITION/HT: T651 ALUM.-, .p. FORM: 1. 00"TH PLATE YIELD STRENGTH: 70. 0 KSI ALLOY
SPECIMEN TYPE: CT ULT STRENGTH:... ,.. ORIENTATION- S-T SPECIMEN THK: 0. 510- 0. 512"V.-. -. STRESS RATIO: -0. 50 SPECIMEN WIDTH: 1. 022- 1. 029" 7075* FREQUENCY: REFERENCES:MR0O 1
AK (MPA Vm) &K (MPA Vm)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 10° 1 II llO I NMENT R. T..3. 5 NACL.. 20HZ NITROGEN GAS. 20HZ
102.-
102
.10 - 10- 1
. ja103 ia13
'a 102 102
.,," ."41 -4
-10 10 . 3 10
10- 10-5
10, 10- -
10-6 10.
10- 1 10-5
I,.:I-- -6 10 6
168 7- 1 OF8 I I l I I III_
© ENVIRONMENT: _=10 @ ENVIRONMENT: 100
-107 1010 .1 10
.. 10 2io 1-2 10 -2
-- 1 -- 4 Z .
0. - 10 -
--.. 1 . 5 --100 .z E
:.: 0 - -- 1-6 -- _--S-- . 10-
161
10- - 1
1 1 ,I,10-6
" 1 4 10 40 100 1 4 10 40 100&K (KSI v!'Tn) AK (KSI V/Tn)
Figure 8.9.3.23
8.9-123
..-,
Downloaded from http://www.everyspec.com
-. . .. C. * - . . ~. . . .. . . . .. ~' .4" *- . . . .. . • -. . .
1ABLL 8.9.3.24
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.24 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: T651------------------------------------------------------------------------------------
DE-TA K DA/DN (10*-6 IN. /CYCLE)
(KSI*IN**1/2): A B c D
E'- R.T.:LAB AIR
A: 4.07 .499
DELTA K B:MIN C:
5.00 1.646.00 3.467.00 5.958.00 9.379.00 13, 5 V-m10.00 17.813. 00 26. 716. 00 35. 620.00 66.6
25.00 207.30.00 852.
A: 30. 45 • 978.DELTA K B:
MAX C:D):
ROOT MEAN SQUARE 72. 58
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.
RATIO 0.0-1 25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.9-124
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 2. 50'TH PLATE YIELD STRENGTH: 75.5 KSI ALLOYSPECIMEN TYPE. WOL ULT. STRENGTH. 65. 0- 66. 5 KSI [ORIENTATION- L-T 02SPECIMEN THK.1 1. 250"
* STRESS RATIO:- *0. 02SPECIMEN WIDTH: 5. 000 JFREQUENCY:- 1. 00- 30. 00 HZ REFERENCES .MAO 12. MA01 1 7075
&K (MPA -v/T) &K (MPA V%/4 10 40 100 4 10 40 100
EN VIR01NMENT 1' R.1 4.11 ENV114ONMENTLAB AIR
10 110 10.1
101 10 10-
10 2210-2
U
10 164
10 -3 5 10-E
10- 10.-
8 106- 106
1010
1 0 4 0 4 10 40 100
t~z\I I17 11 1 1 1 1 Til I I II IIf I I I ITil'~' ENVIRONMENT:- 100 @ ENVIRONMENT:10
1 2 1d2______ __________________ ________
10- 10-__ _ __ _ _ 3__ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _*
10.1 10
10210 1- -
4 4
~101z
10. 10- z.4 4
10~ 107
1 06 10'6
1 4 10 40 100 1 4 10 40 100AK (KSI vrTn) AK (KSI -,/7n)
Figure 8.9.3.24
8.9-125
Downloaded from http://www.everyspec.com
TABLE 8.9.3.25 $1FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS .. .
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.25INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T651
- ENVIRONMENT: R. T. , H. Ii. A.------------------ - ---- -------------------------------------------
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=iO. 33
A 4.03 222DFLTA K B.
MIN C"D:.
5.00 1.056.00 3.067.00 6.538.00 11.49.00 . 17. 510.00 24. 513.00 48.6
A: 14.95 : 65.5DELTA K B:
MAX C: : pD : :-..
--------------------------------------------------------------
ROOT MEAN SQUARE 16. 53PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. ,
RATIO 0.0-1 25 1SUMMARY 1.25-2. 0(NP/NA) >2. 0
8. --*5 . . --
8.9-126 |
=.. . . . . ..
... -**:-5.% - 5 -, ,-" ." " .. -, , ... r.
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.ZFORM: 2.75"TH PLATE YIELD STRENGTH: 68.6 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 79. 5 KSIORIENTATION: L-T SPECIMEN THK: 0. 247"FREQUENCY: 20.0 HZ SPECIMEN WIDTH: 2. 000" 7075, ENVIRONMENT: R. T. . H. H. A. REFERENCES:AL005
&K (MPA -'\/) AK (MPA ,/V)4 10 40 100 4 10 40 100
STRESS RATIO . 33 10 STRESS RATIO102 16
2
S10- 10 -
10 10-3 -
102 2
10.C.,- -4•
1 I0- 10 4
_ 103 E
z E - -- I 5 _/_-10 5 _5 .5: _= E
100
6 _ 10
...-- _ 105 -1 0-% 16
10.01
100 1 OF 7
. -- 10 . --- 10 -6
108 8I I I Il, -- 10 1 I , l1 4 10 40 100 1 4 10 40
40 10STRESS RATIO -- 1 STRESS RATIO = 10o
10 - 0
;- 10.2 102-_ -4 - _10
10' 2-• "? -- 10 3 10 3
,."10 5~ _ _ _ _ _ _ _ _ _ _ o 10 . 5 -
- -
10 - 10
.10._ 10.51Iv I
.-- 40 . 4 1 00
0
1
1-06
1016
108 1 I t j ill 108 J j I 1 jJ j 11-4 10 40 100 1 4 10 40 100
Figure 8.9.3.25
8.9-127
Downloaded from http://www.everyspec.com
TABLE 8.9.3.26
FATIGUE CRACK GROWTH RATER AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.26 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUMN 7075CONDITION. T651
DELTA K :DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A CD
E- R 1' E= RT.L.AB AIR, / 5HZ H.H A., 13.3HZ
A: 5.84 2.b4DELTA K B: 2.93 .0897
MIN C:D
3.00: .0983.50 .1774.00 .3425.00 1.356.00 2.86 4.367.00 . 5.368.00 8.239.00 : 11.410.00 14.913.00 29.8
A: 14.61 . 43.3DELTA K B: 6. 67 :8. 75
MlAX c:D:
----------------------------------------------------------------------------------ROOT MEAN SQUARE 13. 54 14. 45PERCENT ERROR
----------------------------------------------------------------------------------
LIFE 0. 0-0 5PREDICTION 0. 5-0 8
RATIO 0.8-1 25 4 1SUMMARY 1.25-2 0(NP/NA) '::2 0
8.9-128
Downloaded from http://www.everyspec.com
- -- - vws V. - . - - . -" .. . . . . -
CONDITION/HT: T851 ALUM.,.-i, FORM: 2. 75"TH PLATE YIELD STRENGTH: 68.8 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 79. 6 KSIORIENTATION- L-T SPECIMEN THK: 0.250- 0.252"STRESS RATIO: -0. 33 SPECIMEN WIDTH: 3. 999- 4.00" 7075FREQUENCY: REFERENCES:AL005
AK (MPA ,/'m) AK (MPA /'m)4 10 40 100 4 10 40 100;.0-..-. ' I IIIl'Il RI 'I 'I"'
ENVIRONMENT:. ENVIRONMENT: R. T..
LAB AIR. 7.5HZ H.H.A.. 13.3HZ
162 -1162
1101 10. 1
,, o_:. 10. i - 1 -2 ,
10-2 10-2
. 10 3
10-.3 E
516 10.510 -"- ,
10.'8 ,,10 .5 I 1 0.6
1-4 10 40 100 1 4 10 40 100
5 5.-- ENVIRONMENT: 100 ENVIRONMENT: 100
107
10"1 10
--. 0 01 10
- - 03
1 10 E
r, N 77T I -- 1 1 0 .3 - -- 1 1 1 1 0 .
EN EE10 -- 1 -- Z
- 10 10- 2
10 E
lO- - 1o -1610 1
.' ,cc 1 4 10 40 10 1 4 10 40 10
¢;'. :i:AK (KSI /T'n AK (KSI .%/Tn)
4 -.
! - ,Figure 8.9.3.26
lo 10' 5
U.-6
8.9-129
A_'__..
Downloaded from http://www.everyspec.com
TABLE 8.9.3.27
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS * 1OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.27 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T651
-: ENVIRONMENT: R.T. 1DRY AIR
DELTA K .DA/DN (1Q**-6 IN. /CVCLE)I*A B C D
* R=+0. 20 R=+0. 40
A: 4
DELTA K B:* MIN C:
D: ell
200. 00
A:DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 0. 00 0. 00PERCENT ERROR
* LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
* RATIO 0.8-1.25
SUMMARY 1.25-2.0I(NP/NA) >2. 0
8.9-130
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.- FORM: 3. 00"TH PLATE YIELD STRENGTH: 70. 0 KSI ALLOY
SPECIMEN TYPE: DCB ULT. STRENGTH: 81. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 625"FREQUENCY: 10. 00 HZ SPECIMEN WIDTH: 5. 500" 7075ENVIRONMENT: R.T. DRY AIR REFERENCES:843860
&K (MPA &v'm) AK (MPA .,/M)4 10 40 100 4 10 40 100
I~
STRESS RATIO= - . 20 STRESS RATIO -0. 40
- .- 10.1 lo'
103 10io3
1.-2 1.-2
m m
10 . 103 10 . -- ES10
10 E
-5 S -m .4 10. 3 -
mm
10. 10105-- E_ _ --_ _ - :- zo
'io - - 0 . 4 o5 104 "
166100 - 10-
---- 10. 1 10 5
-7 -- 1-7
J 10 - 1078 --- 0
106 I I I.I l I 1 . l . - 6 10e 1 J Ii1 1 1 i II l
1 4 10 40 100 1 4 10 40 100I I ''ST E S A I ' I ',I',', .T1 oF@ rrr',, , ' ',,r , ._
STRESS RATIO STRESS RATIO = 1001-2 102010 l
0.13 1 3
-- 0 - 102 i 10-2
> 10 4 10 4 -- .
10-. c_ 10. 3 0- 3 E10 1
m -
l 10a4 - 105z4
-6 _________ ________ 1-6 _ __ _ --_
--1 , 10.- 10.
107 -7l10 - 10
-10.6 . 10 .6
'- ,, 1 4 10 40 100 1 4 10 40 100&K (KSI V'Tn) AK (KSI .v"')
Figure 8.9.3.27
8. -131
. .,...-.,- : .. ,.;.2.y -,.-..,,.-.: ,?, .. :..'-, :. < , -. --.-. -.-,.-..-.... . . . .. . . . . . .,.. . . . .....- ............. ,. ...-... .....-..-..-..- ,......
Downloaded from http://www.everyspec.com
TABLE 8.9.3.28
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.28 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R. I. E= R. T.DRY AIR LAB AIR 3. 5X NACL1-10HZ 1HZ 1-10HZ
A: 83.87 5. 32DELTA K B:
MIN C: 6.63 .5.42
7.00: 6. P818.00 :8.609.00 : 5.39 11.610.00 : 6.01 14.813.00 : 9. 14 27.216.00 : 15.2 47.6
*.20.00 : 32.1 99.425.00 : 86.9 256.30.00 : 241. 678.35. 00 : 669.
A: 39.37 1620.DELTA K B:
MAX C: 30.84 :769.
ROOT MEAN SQUARE 27. 92 0. 00 30. 24
PERCENT'ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
*1 8. 9-132
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 3. 00"TH PLATE YIELD STRENGTH: 70. 2- 75.7 KSI I ALLOY SPECIMEN TYPE: DCB ULT. STRENGTH: 81.2- 85. 0 KSI
ORIENTATION L-T SPECIMEN THK: 0. 750- 1. 000"STRESS RATIO: -0. 02 SPECIMEN WIDTH: 5. 500" 775FREQUENCY:
REFERENCES:84380
&K (MPA -,/M) & K (MPA V/')
4 10 40 100 4 10 40 100
ENVIRONMENT: R.'o 100 ENVIRONMENT: R.T..DRY AIR LAB AIR
1-2 1-10HZ 10-2 1HZS- 10 10 -1
103 -1 3
S- 10- 12 010 2
100 1 " 10[
* > -41 0 - _ _ _ _ _ _ _ _ _1 0 .4
_
1-4 - 106 -
-- 0 10 E
~10- -- 10- - i
* . - - _ _ _ _ _ _ _ _ -0 - _ _ _ _ _
00 4 1 10
55
1-1 Z 100 ,
10.1 7__ -- -
* 1 - 10 .. 1 -
10.3 _ 10- 0- 6
1 4 10 440 0 4 0
*- -10. 100
1-2 -- 10- 5
10 _ 1"
10- 1010
16 - 6 1o86 -6
'. 1 4 10 40 100 1 4 10 40 100
4-. .K- (KI0 KIV
=6. - 10 0
1-10 8 13 EE- lo10 1-
-104
10 10 1031 5- 16
~~~~~~~U m 04 0 04CD(S LK(SIvT
-p0.
8.9-133
Downloaded from http://www.everyspec.com
71.
TABLE 8.9.3.29
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.29 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: T651
DELTA K DA/DN (10**-b IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. r.DIST. WATER
A: 6.96 2. 62
DELTA K B:MIN C:
D:
7.00 2.688.00 : 4.079.00 : 5.64
10.00 . 7. 4113.00 : 14.516.00 : 26.820.00 62.625.00 : 197.
A: 29. 50 : 598.
DELTA K B:MAX C:
D:
ROOT MEAN SQUARE 30. 68PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.9-134
_:........... .a
* - . -.- - .-. % % - ° l e ° . . . ° .° • ° . . q . °..... . . a.
Downloaded from http://www.everyspec.com
7-r. - -r -r :-- a. .* -
CONDITION/HT: T651 ALUM.FORM: 3. 00"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: DCB ULT. STRENGTH:ORIENTATION L-T SPECIMEN THK: 1. 000"STRESS RATIO: -. 02 SPECIMEN WIDTH: 5. 500" 775FREQUENCY: 1. 00- 10. 00 HZ REFERENCES:84360
&K (MPA N/m') AK (MPA /m')4 10 40 100 4' 10 40 100
ENVIRONMENT- R.4. 100 o _ 18METf'II 'I'III'1 I' '1'10, ENVIRONMENT:" DIST. WATER
-62 1-2010 10. _
101 _10.1
1 -101 _E
UU
-d4 4 6C -- 10
. 103 "
•lo 10
16 10'10. 10-41010 1010
-5 5
1006 10
1' 7 1 7 1
1010100
107 1 1 -8 1i 0I
1 4 10 40 100 1 4 10 40 100
10 VIRO10.1T-0 10@ :1ENVIONE NT: 100 ENVIRONMENT: 100
2 O2 16r10"1 10" 1'
____10_3
_-- 1-3 0
, 10. 10.2
).- -- - 10. 104
107- 10-103--
4 4
6 __ _ _ __ _-;
-10. -- 3 1
10 1-
-8" I- I I , I ,I 1 0 8 I Is1 1 = 1 ' , -.. 1 4 10 40 100 4 10 40 10
.K (KS"-'T Figure 8.9.3.29 A KIvT
.
=. 8.9-135
44
-75 -
Ir@.. _... -.,,' ,.-...-.. .,- ..-.' ,.'. .. ,. %%-. -1. .. . -.;o ., _ '''_,'' ' '" . .. -5. .v.'-.--' " ' .-... * - .' . " 5' *
Downloaded from http://www.everyspec.com
. .. . ..r, wr r r.. 7 ' 'r -~r r - .-- - U .. . - .
TABLE 8.9.3.30
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.30 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T6510
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R.1 E= R.T.L. H A. LAB AIR
A: 5.67 3.60DELTA KB: 5. 11 :1. 53"-S.-.
MIN C:D"
6.00 4. 59 5.047.00 7. 58 10.38.00 10. 3 15.49.00 13.0 20.010.00: 16. 1 25.0 S -
13.00 35.5 56.0
A: 14.80 67.3DELTA K B: 14.19: 87.4
MAX C:D:
ROOT MEAN SQUARE 6. 07 14. 31'..6, PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0.0-0.5
PREDICTION 0. 5-0. 85- RATIO 0.8-1.25 1 3
SUMMARY 1.25-2.0(NP/NA) >2 0
% 4
.. o L,-'i--.~8.9-136
'..
, w. - . . ." ,-q , "% _ 4" , " F 4 ." . . ." ," -," . " " . _ ' . = " ." ._*. " . _ '
Downloaded from http://www.everyspec.com
CONDITION/HT:T81ALMFORM: 0. 89"TH EXTRUSION YIELD STRENGTH: 192. 4 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 90. 4 KSI
-ORIENTATION- L-T SPECIMEN THK: 0.5628- 0.5138"SSTRESS RATIO: *0. 33 SPECIMEN WIDTH: 3. 004- 3. 008" 074FREQUENCY: 5.20 HZ REFER ENC ES: AL005. AL002
* ,. & K (MPA V~ AK (MPA V/i)
V..4 10 40 100 4 10 40 100
ENVIRONMENT: R. *. i 0 ENVIINMENT: R. T.,L. HA.LAB AIR
102 102
-10-1 101"
1 o3 1 1o3
a)10 2 -02
U
id0 10 -
-3 1-~1 3 E10 10 - 10
'10 0z'--4
10710
116-
1 4 10 40 100 14 10 40 100
ENVIRONMENT: 1 0 EN@ONET
10210-1 10.1
10 3 10-31
0- 2 -0'2
4.~ 16~
C 10i10 E
cc 10- 4100
1 1o6
66
10 10 10
1- 8 -IiI~ l I 111 4 10 40 100 1 4 10 40 100
AK (KSI vlT) AK (KSI I/tn)Figure 8.9.3.30
8.9-137
Downloaded from http://www.everyspec.com
lABLE 8.9.3.31
FAT IGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.31 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T6510ENVIRONMENT: R T. , LAB AITR
DELTA K DA/DN (1Q**-6 IN. /CYCLE)(KSI*IN**1/2)
A 13 C D
. R~z+0. A3
A. 5.73 2.79.4. DELTA KB:
MIN C.D,
8.00. 3.617. 00 7. 108.00 : 10.89.00 : 14.410.00 16.013. 00 34. 316.00 76.3
A: 16.44 . 90.3DELTA K B:
MAX c:D:
ROOT MEAN SQUARE 16. 27PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.8-1 25 2SUMMARY 1. 25-2.0(NP/NA) >2 0
8.913
*- --1~
Downloaded from http://www.everyspec.com
CONDITION/HT: T8510 ALUFORM: 3.50"TH EXTRUDED BAR YIELD STRENGTH: 75.7 KSI ALLOYSPECIMEN TYPE: CCP ULT STRENGTH: 85. 4 KSIORIENTATION: L-T SPECIMEN THK: 0. 751"
r FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 3. 003- 3. 005" 7075ENVIRONMENT: R.T. LAB AIR REFERENCES AL005
&K (MPA -/') AK (MPA /-m)4 1 0 4 0 1 0 0 4 0o0o0
10-0STRESS RATIO 0. 33 S S R
102 101
U U>. .4 64'10 -11 - E-> 04 _ _ 0 10. 4
z 5 57 10 105 z
1o6_- 1o0 i _ -
1 0 1 0 1 0 .
010 10-
10.6 10.6
10-8 I , , ,, IlJl , 108 1
"-14 101 4 10 40 100STRESS RATIO 100 100© STRESS RATIO = 1STRESS RATIO =1o
112 10 2
- 10I
lo-
-23 1
10 s
.- 10 2 0 2
10 --- 10 --110
10.5 - 10 -
-. -- 10 _10-4 z
_10 6 -_1-6 -_10 1
10
1 0 l 0 -6 m
1661,... - 10.6 -'- 10.6
10l 10 -- -
S -,. 10.8 I ,L 1 1 iI, I ,.I.,. I -I 108 I JI ,I , L...ILLLLL1 4 10 40 100 1 4 10 40 100
V. AK (KSI V17l) A K (KSI v'7)Figure 8.9.3.31
8.9-139
Downloaded from http://www.everyspec.com
TABLE 8.9.3.32
FATIGUE CRACK gROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DA T A ASSOCIATED WITH FIGURE 8.9.3.32 INDICA ING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T6511ENVIRONMENT: R T ,LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
R=-1.00 R=-O. 50 R=+0.01
A: 3 32 187DELTA K B: 3.72 .192
MIN C: 3.46 .140D:
3.50 .209 .1494.00 .334 .197 .3105.00 1.03 648 .9766.00 2.66 2.42 2.277.00 5. 12 5.05 4.278.00 8. 13 7.56 6.869.00 11. 5 10.3 9.8610.00 15. 1 13 6 13.2
13.00 26.4 25.0 24. 816.00 34.5 34.9 40.220.00 52.2 72. 125.00 126. 150.30.00 355.35.00 1034.
A: 19.42 34.7DELTA K B: 26 40 176.
MAX C: 35.27 1102.D:
ROOT MEAN SQUARE 9.35 10.38 23.40PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0 8RATIO 0.8-1 25 1 1 1
SUMMARY 1.25-2 0(NP/NA) C>2 0
8.9-140
Downloaded from http://www.everyspec.com
CONDITION/HT: T6511 ALUM. ]FORM: EXTRUSION YIELD STRENGTH: 79. 5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 244- 0. 252"FREQUENCY: SPECIMEN WIDTH: 8. 997- 9. 000" 7075ENVIRONMENT: R.T.. LAB AIR REFERENCES:DAlaI1
-,- &K (MPA Vm) AK (MPA*-- 4 10 40 100 4 10 40 100
STRESS RATIO= -1.00 -100 STRESS RATIO= -0.50l-? -Oo2 __ _
10 3 10
10 3 _010.
102 10-2 _
10 4 0..,0 10'' -- --_103-
10-3 E
lo__ z10. 7)_.-_10_- 1o- -10"
.6 -6.__l_6 __l_6 ___ _ -
S10 10
. 0" -- 0-7 -____ ___-__- 10-
1 106 0- 610-8 I
1 0 i il I w L . - 10" . 1 , I u , I,
1 4 10 40 100 1 4 10 40 100
STRESS RATIO o 10 STRESS RATIO = 10016d2
100_ 10
,, 10 3 -10
.,12 io- -2 _2
10- 10-
4-4 -
10 16_-___1_ -, 1E
1 o-
-Z ' " -- -5 - 10"
- 105 lo-
10 -o 10
1 1o6
106 106
1 4 10 40 100 1 4 10 40 100AK (KSI v'i) .AK (KSI V'n)
V',.Th Figure 8.9.3.32
. .. . . . . ..
Downloaded from http://www.everyspec.com
TABLE 8.9.3.33
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.33INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T6511ENVIRONMENT: R T. ,LAB AIR
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
R- 1-0. 40 R=+O. 60 R=+O. 60
A: 2. 50 142DELTA K B: 1. 72 .0792
MIN C. 1.55 .0687
D:
1. 60 .07672.00 123 .1732. 50 .142 . 171 . 4093.00 .222 .328 .8393. 50 453 .757 1.55
4.00 .927 1.64 2.635.00 2.93 4.73 6.296.00 6. 66 8. 40 12.8
7.00 11.9 12. 4 23.38.00 17. 7 17.4 39.69.00 23.2 24.5 66.110.00 28. 2 34.3 118.13.00 46. 1 91.916.00 84. 7
A: 17.91 139.DELTA K B: 14. 99 171.
MAX C: 11.65 398.D:
ROOT MEAN SQUARE 9. 61 8. 98 16. 33PERCENT ERROR
LIFE 0. 0-0 5PREDICTION 0. 5-0. 8RATIO 0. 6-I 25 1 1 1SUMMARY 1. 25-2 0(NP/NA) >2 0
-* 8.9-142
.. . - . .. . . . .. * ' . . .- - . . . . . * -.. - ..-- * ...
Downloaded from http://www.everyspec.com
CONDITION/HT T5511 [TJEUFORM:EXTRUSION YIELD STRENGTH 79. 5 KSIIALYSPECIMEN TYPE. CCP ULT STRENG1 H.OP.-iNTATION: L-T SPECIMEN THK 0. 250- 0. 251F, EQUENCY: 3.00- 5.00 HZ SPECIMEN WIDTH- B.998- 9..000 705ENVIRONMENT: R. T..*LAB AIR REFERENCES 0A001
AK (MPA /T)AK (MPA 'n4 10 40 100 4 10 40 100
STRESS RATIOz0.01 STRESS RATIO 0
102 0
_~ 10 102
010 -10t
1010z3
*~1 10E
i06 10610
10 lo
10 ~~1 40 10460 4
1 10
10 101010
10
10 1
1 0 0 10 10 0 100
10STES RATIO_ -..g 10 SRS AI - 1z
10 10
101 10
1000
lo ~10E
lo 10 z
106 10~
'* ' 108 1JL~JJ...ii 4 UJ~ -~10II
1 4 10 __40 100 14 10 40 100AK (KSI n') K (KSI 0
Fimi r H. 3
ou
Downloaded from http://www.everyspec.com
TABLE 8.9.3.34
.'
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS01- STRESS INTENSITY FACTflR
DATA -SSOCIATED WITH FIGURE 8.9.3.34 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T651iENVIRONMENI: R T 11. H A.
DELTA K DA/DN (10*-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 05 R=+0 50
A: .3 : 4.12DELTA K B: 3. 6 . 699
MIN C:D:
4.00 1. 105.0 0 3.07
6.00 5.98
7.00 9.648 O0 6. 12 13.9
9.00 10.00 18.710.00 14.2 24.213.00 26.3 46.416.00 36.7 82.720.00 51. 4 176.
25.00 79.9
30.00 139.
35.00 20.40. 00 607.50. 00 2654.
A 56.72 6148.
DELTA K B 20.47 192.MAX C
D.
ROOT MEAN SQUARE 22. 39 16. 22PERCENT ERROR
LIFE 0.0-0. 5
PREDICTION 0. 5-0 8
RATIO 0. 8-1. 25SUMMARY 1.25-2 0(NP/NA) Z2 0
8.9-:1
8.9-144
b • •
" •
" " .% °' -% °-" ° • " -% - '° ° %
." . . ." •
" ° - % • " " Q o ' . %
-" - ° %
-'". " • ' • ." "-. • " , •. "
Downloaded from http://www.everyspec.com
CONDITION/HT: T511 ALUM.
FORM: EXTRUSION YIELD STRENGTH: 81.5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 88. 6 KSIORIENTATION: L-T SPECIMEN THK: 0. 150"FREQUENCY: 9. 00 HZ SPECIMEN WIDTH: 5. 950" 7075ENVIRONMENT: R. T.. H. H. A. REFERENCES:BWO01
&K (MPA V'm) AK (MPA -/'M)4 10 40 100 4 10 40 100
1 I I I I fi lI I I' 1 1 1 1 I 111 1STRESS RATIO = o0. 05 10 STRESS RATIO oo. 50-O2 ________ ________ -O2 ________
010- 10 -
__ _ _ __ __ _2_ _ _ -21001 101
1 4 161002 10;
10 103 z1
.
Z 10- 5 -- _ 10s -
-410 4__ _______ _10.4
_"
1 - 10 - 1_ic - 10. --5 - 0.
-6 6 -10- -10
18 10.6 1 10.6
- _8
1 4 10 40 100 4 10 40 10
STRESS RATIO= 100 STRESS RATIO- 100-O2 1o
2 110. -__ _ _ _ __ _ _ _ _ _ - 10.3 --_ __ __ __ _10.1 10. 2
10 - 2 10-2
4 -43£
S10-3 -010... - -- 3.4 - .
0 0 10- -4
S10 1o -l - 4
E6 -5 5---- __ 10 -110- 10-S
106 10-6
- '. 16 10. 1 j, I I Ilia- I I I a -I, 10 I J.I.lL ! , 1 -
1 4 10 40 100 1 4 10 40 100AK (KSI ,ri) AK (KSI .%f )
Figure 8.9.3.34
8.9-145
-%
Downloaded from http://www.everyspec.com
TABLE 8.9.3.35
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DAT- ASSOCIATED W!TH FIGURE 8.9.3.35 INDICATING EFFECT
OF STRESS RATIO
MATERIAL. ALUMINUM 7075CONDITION: T6511ENVIRONMENT R T .S. T W
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R +O. 01 H=+O 80
A: 12. 98 4 0.DELTA K B 1.97 130
MIN CD:
2.00 :1382.50 4273.00 1.303.50. 3.334.00 6.965.00 18.86.00 36-07.00 : 59.08.00 85.69.00 103.
10.00 100.13.00 40.516.00 68.3
A: 17.63 : 8. 9DELTA K B: 10.00 : 100.0
MAX C:D:
ROOT MEAN SQUARE 1.76 14 91PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8
RATIO 0. 8-1 25 1 1
SUMMARY 1.25-2 0(NP/NA) :>2 0
- ."*..A %
Downloaded from http://www.everyspec.com
7-...-." CONDITION/HT: T6511FORM: EXTRUSION YIELD STRENGTH: 79. 5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 246- 0. 247'FREQUENCY: 0. 50- 1. 00 HZ SPECIMEN WIDTH: 9. 000" 7 075
"'. ENVIRONMENT: R. T.. S. T. W. REFERENCES:DA001
AK (MPA -,/M) AK (MPA V/')4 10 40 100 4 10 40 100
10o
STRESS RATIO =0. 01 STRESS RATIO = -0. 80
162 162
110.1 10
1 03 1 °o3.2 -i 2
C.) 10- 1010
.. 10 10.
". 10 107
"3 ,- 1- 103 E10- E1
:. . 7 1 0 100 10 4 710-4 1051 7
10 - 10d 1076 1 -6
% 10.3 10.38-
1 4 10 40 100 4 10 40 100
STRESS RATIO =100 16 STRESS RATIO= 100
-2 __ __" __ _ __ _ __ _ __ __ __--__ _ __ _ _ -
*102 16
1101 101
-3 __ _ __ _ _ __ __-=__O-3_ ___lO-____i
-2 -
. 10%0""4 164
.4 1.4
"
16 o6
-________ ______ __
1 - 10
lo..." -- 10 10 - _ _10.6
10-6 -6
108.8 LI , JI ....1..I..LI.. l 'LL - 10,.8 1., LI .., . .. I, ,IS 1 4 10 40 100 1 4 10 40 100
.'.' AK (KSI / T) AK (KSI V/ in)•e Figure 8.9.3.35
%Jo.'.9 . - 47_ .N
' V1 -, - ,.q
Downloaded from http://www.everyspec.com
TABLE 8.9.3.36
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS-.
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.36 INDICATING EFFECT
OF STRESS RATIO99 ~ ~ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MATERIAL: ALUMINUM 7075
CONDITION: T73ENVIRONMENT: R.T. LAB AIR
DELTA K. DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**I/C")
A 13C D
R=-1.00 R=-0.50 R=+0.05
A 2.66 . 0/92DELTA KB R.60 . 0660
MIN C. 2.40 .0530D:
2. 50 . .0564
3.00: .0715 .120 .08063. 50 . 104 .1468 1234.00 .190 .195 .1995.00 .610 .534 .5616.00 : 1.43 1.41 1.467.00 2.74 2.75 3.166.00 4.57 4.43 5. 589.00: 6.93 6.37 83.3410.00 : 9.81 6.52 11.213.00 21.5 16. 5 21. 116.00 37.7 28.5 36.3
DLA A: 16. 06 3B.2DLAK B: 17.97 40. 4
MAX C: 16.61 40.6D:
ROOT MEAN SQUARE 13.98 21.32 21.72PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0. 8RATIO 0.8-1, 25SUMMARY 1. 25-2. 0(NP/NA) >2 0
8.9-148
Downloaded from http://www.everyspec.com
7;. 7-7
*PJ CONDITION/HT: T73 ALUM.FORM: 0. 50"TH PLATE YIELD STRENGTH: 58.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 67. 1 KSIORIENTATION: L-T SPECIMEN THK: 0. 500"
.-.. FREQUENCY: 20. 00 HZ SPECIMEN WIDTH: 3. 000" 7075ENVIRONMENT: R. T., LAB AIR REFERENCES:UO006
&K A(MPA V) AK (MPA -/Th)Z%4 10 40 100 4 10 40 100
STRESS RATIO = -1. 00 00STRESS RATIO -0. 50
10- - 10
1~ oO -
* .10 2 10 -
cl - 0 10 -3 E
z E
10 5 1o5 -
1 0- 5 1 0'
7 7r
10 - 101 10 101014 0 4 0
STRESS RATIO =...IL 05 10o STRESS RATIO= 10
10 - 10
310.1 10-2.1 i
6o* 4 11640
S 10- - 0 E
5~ 510 - - 10 EF
l~6
10 -6 101 10
104 10 4 0 0 4 0
&K (KS v~n) Figure 8.9.3.36&K(S =m
8.9-149
Downloaded from http://www.everyspec.com
. . .... .. .. . .. . . .
L
TAI3LE 8.9.3.37
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.37 INDICATING EFFECT
OF STRESS RATIO
------------------------------------------------------------------
- MATERIAL ALUMINUM 7075CONDITION: T/3ENVIRONMENT- R T DRY AIR
--------------------------------------- --------------------------------------------------
. DELTA K DA/DN (l0**-b IN. /CYCLE)
. (KSI*IN**1/2)A B C D
R=+0. 10 R=+0 30 R=+O. 50
A 6. 63 " 140
DELTA K B 8. 11 .346 IMIN C 6. 18 .650iii D:
7. 0365 1.97
8.00 .490 4. 139.0,97 .894 6. 83
10.00 2.04 1.98 9.84
13.00 8. 14 8.45 19.9
16.00 15.6 19. 1 33.6
20.00 26.3 42.3 71.0
25.00 47. 2 110.30.00 95.2
A: 32.74 150.DELTA K B: 27. 74 196.
MAX C: 21. 19 91. 1:FT D:
-----------------------------------------------------------------------------------------
ROOT MEAN SQUARE 7. 48 6. 21 7. 73
PERCENT ERROR----------------------------------------------------------------------------------------
LIFE 0. 0-0. 5
PREDICTION 0. 5-0 8RATIO 0.8-1.25SUMMARY 1.25-2.0 1 1
(NP/NA) .-12. 0
.9..
8.9-150
Downloaded from http://www.everyspec.com
rrr r r~~~P r .CCC S V U ~ l ~
CONDITION/HT: T79 LMFORM: 1. 50"TH FORCED BAR YIELD STRENGTH: 82.7 KSI ALLOY4SPECIMEN TYPE: CT ULT. STRENGTH: 71. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 751- 0. 757"FREQUENCY: 4.00 HZ SPECIMEN WIDTH: 4.99- 5. 007" 77ENVIRONMENT. R. T. *DRY AIR REFERENCES:CD00B
AK (MPA V/m) AK (M P A ~4 10 40 100 4 10 40 100
STRESS RATIO -4--0. 10 10 STRESS RATIO .0. 30
1 0- 01 0
10~ 10
io93 4 o
c 3
1 0, 1 0 1 0* 3
10 10- 5
10 10
10 410
1008 5 1-
10- 1 10 6
100 @
100 2O
10 10 1
.~10- 3~- - z
V10 10 2V
6 6__ _ __ _ _ -311* 10 3
105 10
10-1010 4~0.
-80
1~1 10 105 0 101 04 0
10. . . . .1 -0 . . . . . .
.. .. 10 40 10 1--. 4 10 40 100---.
Downloaded from http://www.everyspec.com
'° 4
TABLE 8.9.3.38
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR Ii
DATA ASSOCIATED WITH FIGURE 8.9.3.38INDICATING EFFECT -1
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T/3ENVIRONMENT: R.T. H H A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-'0. 10 R=+O. 30 R=+0. 50
A: 6.70 .2"
DELTA K B: 11.18 6.94
MIN C: 5.25 .62D:
6.00 1.857.00 .268 3.908.00 .473 6. 659.00 1.05 9.94 -10.00 1.93 13.713.00 6.40 11.2 27.416.00 13.6 20.8 47.020.00 28.0 46.225.00 58.7 148.30.00 117.
A: 32.68 " 170.DELTA K B: 28. 35 " 366.
MAX C: 19.91 174.D :".-
ROOT MEAN SQUARE 16. 92 22. 06 18. 69PERCENT ERROR
- --- --
LIFE 0.0-0 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1SUMMARY 1.25-2 0 1 1(NP/NA) ,2. 0
8.9-152-J
* 9 is i:
Downloaded from http://www.everyspec.com
- .. . . ..
CONDITION/HT: T73 ALUM.FORM: 1.50"TH FORGED BAR YIELD STRENGTH: 62.7 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH 71.7 KSIORIENTATION: L-T SPECIMEN THK: 0. 755- 0. 757".-, .-FREQUENCY: 1. 00 HZ SPECIMEN WIDTH: 4. 994- 4. 999 7075ENVIRONMENT: R. T.. H. H. A. REFERENCESSD008
AK (MPA %/"m) AK (MPA -/)
4 10 40 100 4 10 40 100
STRESS RATIO : +0.10 STRESS RATIO = +-0. 30
-"- 1 10
10 3 10 3
1 - - _o- 21 ° -
_ _
%" "-. -- I -10.3
?
4 4-
%* lo- 10__ _ 3 10E-- - -
310 10. z
-J m O 4 0- DZ _ _ _ _ __--_ _- I I~
-7 -7-
,o- 0- 4
0 105
100
06 1 OF1 -
"o10 ,jI j 1,1,I , 1 j1,1 -I L 10.8 1 ,11 1 l., Ililt. 4 10 40 100 1 4 10 40 100
STRESS RATIO= +0.50 100STRESS RATIO 10
- 10 "1 10 -1
1 -io
2 -"0 -- 10 102>* -4 ___-_o"__104 1-
- 10- EE
5 1 - 1o 5 - Z
010 4
.4 7
10"- -- ________ -- __ --1()-5
10.6
1
'1 4 10 40 1 0
"*-' - AK (KSI /T AK (KSI 'Tn)
Figure 8.9.3.38
8.9-153
Downloaded from http://www.everyspec.com
TAB3LE 8.9. 3.39
FATIGUE CRACK GROWTHRAEATDFNDLVSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.39TNDICATING EFFECT
flF STREZSS RATIO
MATERIAL: AL.UMINUM 7075*. CONDITION. T73
ENVIRONMENT: R T. ,S. T. W.
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KScI*IN**1/2)
.d~~A 13 C D
R=+0.10 R?=+O. 30 R=+0. 50
A. 1210 224DELTA K B: 8.68 1.63
MIN C: 5.57 .72D:
6.00 2.247.00 6. 178.00 1069.00 1.60 14810.00 4.89 184 1 -
13.00 6. 71 23.5 29.216.00 15. 2 39.1 51. 52000 29.,2 63. 5 164.
25.00 . 54. 5 152.30.00 : 99.035.00 : 187.
A: 39. 14 330.DELTA K B: 25. 38 165.
MAX C: 22.94 619.
ROOT MEAN SQUARE 30. 83 10.62 9. 96PERCENT ERROR
0ell PREDICTION 0. 5-0.8RATIO 0.8-1.25 11SUMMARY 1.25-2,011
V(NP/NA) >,2. 0
8. 9-154
Downloaded from http://www.everyspec.com
., L CONDITION/HT: T73 ALUM.FORM: 1.50"TH FORGED BAR YIELD STRENGTH: 62. 7 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 71. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 755- 0. 756"S "' FREQUENCY: 0. 10- 1. 00 HZ SPECIMEN WIDTH: 5. 000- 5. 003" 7075
ENVIRONMENT: R. T., S. T. W. REFERENCES:GO008
&K (MPA V/) AK (MPA V,/)4 10 40 100 4 10 40 100
STRESS RATIO= --0. 10 10 STRESS RAT -10 0.° 30-2 -1 -2 _ ES_ R T__=___3 _
010 10
1 : -- -
"l ... - 4 - t5 10 "75 4>"103 ___10 3 _ --_
-- 0 10 -
100 K - -- I -'
1'0.- -- 10.3 - 10 <
10 0
10 1004-10.
""" - - 10 1 0
-26 _ - 1010"
0 0 1010 - 1 10 _
10- 10"--- 10 ;I - 10
- _0 24
--------- ...............
S, ---/ .50 -__- @ R 0 -
10- 10.
1° °" o7- __ __ __-_
1 0 1-0lo... z z -
' ,0-8 -- 8
1 4 1001 40 10
---- 105 -- 10 :
10"10 10' el07
AK (KSI V.Jn) niuc K {KS~ In
". - _ 1 3 -
,..-.. .. . . . . . . . .> .--- .. -
;%:: Z K (KSI V" ) Figure 8.1). ) KI.'
- .- . .- , .- - .-, - .,.'-,<,,-. .,. .. ,....,.. -v .'- .,v%' -_.- . . .i .
Downloaded from http://www.everyspec.com
-w. p
TAI3LF 8.9.3.40
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
* ~DATA ASSOCIATED WTFIUE8.9.3.40INDICATING EFFECT
OF STRESS RATIO
*MATERIAL. ALUMINUM 7075CONDITION. T73
* ENVIRONMENT: R.T. DRY AIR
- .DE[TA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/P2)
A B C D
R=+0. 10 R=-+0.30 R=+0. 50
.A: 4.2 8 .209* DELTA KB 4.93 .143
*MIN C 3.30 .112D
3. 50 .1704.00 .3925.00 .541 .157 1.226.00 .594 .434 2.707.00. 1.43 1.00 5.26 ~83.00 . 2.90 2.40 9.649.00 4.18S 5.29 18.3
10.00 5.20 9.50 34.7*.13.00 9. 19 20.7
16.00 20.8 57.8
A: 16.92 63.9* DELTA K B: 16.05 59.3
*MAX c: 10.81 59.2D:
ROOT MEAN SQUARE 13. 59 10. 38 17. 10PERCENT ERROR
LIFL 0.0-0. 5** PREDICTION 0.5-0 8
RATIO 0.8-1 25 1SUMMARY 1.25-2.0 1(NP/NA) '.2.0 1
8.9-156
Downloaded from http://www.everyspec.com
CONDITION/HT: T73 [AL~TFORM: 1.50"TH FORGED BAR YIELD STRENGTH: 61.8 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70.7 KSIORIENTATION: T-L SPECIMEN THK: 0. 750- 0. 752"FREQUENCY: 4. 00 HZ SPECIMEN WIDTH: 4. 988- 5. 001"ENVIRONMENT: R.T.. DRY AIR REFERENCES:GDO08 7075
AK (MPA N/-m) AK (MPA \/ )4 10 40 100 4 10 40 1001 I ' 'tl ll I I' 'll --- -= I 1 l lll l[ - 'z
STRESS RATIO = o. 10 10 STRESS RATIO = 0. 30
1 .22 1 2
10 - 1 101
10.3 10. -
10 2 10 2
"..:1 = 10-3/_ 10.3 E
70.-. 10- 10 -- Z>4 -47--
-10 -- 10 -
i" \ 1--0 ° - - 1 ° -
-6 -
10 101
10 8 1 1 1,11 I......lLL, - 10 J 1 1 1 1,1it I I 111 __ _
1 4 10 40 100 1 4 10 40 100"-"" k -- I I 111il I II fll
STRESS RATIO - 1050 10 STRESS RATIO= 10o
-62 -62
0 - 10
10 10
1-2 210 .. 10
'.4 -4 -4
,..,.- - 10- 1010 .
c.10 3 3- E
* * :~i 10~10V > 10- 0- 10 >,v
UE
010 -10---
10. 1 0 10
1 7-_6
,10 10 . 6 100-6
1 4 10 40 100 1 4 10 40 100AK (KSI V~nh AK (KSI VTn)* .. ' "-
1 6-11 -
"Figure 8.9.3.40
8.9-1.57
"e..
.; ; ; ; : ;.:-.;¢ : :. ; / :. 5; b: ;:r: ,..-,. . .•,, .v .--. ,,. .,".. :,.... .-.,,.-.-. . , , ,.. ,,- . ,-- ... :..,.-.
Downloaded from http://www.everyspec.com
IADLL 8.9.3.41
F-%TIGUIE CRACK GROWTH RATES AT DeFINED LEVEL5OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.41 INDICATING EFFECT
OF STRLSS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T73ENVIRONMENT: R T .H H A.
DEL-TA K DA/DN (1Q**-6 IN. /CYCLE)
A 13 CD
R=+0. 10 R=+0. 30 R=+0. 50
ADELTA K B: 4.55 .333
MIN C: 3.59 :.295D:
4.00 .3315.00: 541 1.446.00 :1. 13 2.787.00 2.53 4.778.00 4. 71 7.74
-. 9.00 7.59 11.6*10.00 11.3 16.4
13.00 30.6 67.616.00 81.8
A:DELTA K B: 18.80 403.
MAX c: 13.47 .91.9
D:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -ROOT MEAN SQUARE 0. 00 13.-53 14. 23
PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.-1-i.25 1SUMMARY 1.25-2. 0 1(NP/NA) :,2. 0
8. 9-158
Downloaded from http://www.everyspec.com
CONDITION/HT: T73 ALUM.FORM: 1.50"TH FORGED BAR YIELD STRENGTH: 61.8 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 7 KSIORIENTATION: T-L SPECIMEN THK: 0. 750- 0. 754"FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 4. Jgg- 5. 008" 7075ENVIRONMENT: R. T. , H. H. A. REFERENCES:GDOO8
&K (MPA V/m) &K (MPA Tn)4 10 40 100 4 10 40 100
100STRESS RATIO = +o. 10 STRESS RATIO +#-0. 30
<.16 2 1-2
10. 10--2&
10." 101 1-
; .- c __ 10-3
1 3 E
010 101-O - 10- 41o3 EE z
z ;s,.-' - _ -o - -- Z16 106 10- 10-
_ 0107
6-6 ________ _______- 1o6. -o -.1o+
__ _ _ _ _ _ - I 10,I , I , I I I1-8 1 080
1 4 10 40 100 1 4 10 40 10
STRESS RATIO +0. 50 STESS RATIO 10
'1/ 10. 20
10 10-1O- 10.2 10 .
2
' - 4 4__10__ _ _ _0
.410C.)
10) 100-3 EE
5 z70 . - 10
.,1 0 1 0 - 1 0 -
-6 ________.+
__ 1
0 101
106 106
101 10±1 LiI1 -8 1LL1 -
1 4 10 40 100 1 4 10 40 100&K (KSI V/T-) Figure 89341 AK (KSI ,/in)
8.9-159
Downloaded from http://www.everyspec.com
TABLE 8.9.3.42
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAT A ASSOCIATED WITH FIGURIE 8.9.3.42 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: At UMJNUM 7075CONDITION: T7 3ENVIRONMENT: R.T. S.T.W.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R= f-0. 10 Rz+0. 30 R=+0. 50
A 4.16 .295]DELTAKB: 3.24 .301
MIN C: 2 74 .196
3.00 .2353.50 .361 .482
4.00 .. 781 1. 145.00 1.26 2.38 4.63
*.7.00: 6. 14 9.95 16.98.00 : 12.2 16.8 23.19.00 : 17. 1 22.2 30.210.00 : 19.7 25.5 39.9
*13.00 34.3 105.
A: 12.40 : 35.9DELTA K~ B: 15. 65 :60. 5
MAX C: 14. 11: 107.
ROOT MEAN SQUARE 20. 08 12. 83 19. 75PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
*RATIO 0. 8-1 25SUMMARY 1.25-2. 0 1 11(NP/NA) >20
8.9-160
Downloaded from http://www.everyspec.com
CONDITION/HT: T73ALM. . . FORM: 1. 50"TH FORGED BAR YIELD STRENGTH: 61.8 KSIALO
SPECIMEN TYPE: CT ULT. STRENGTH: 70. 7 KSIORIENTATION: T-L SPECIMEN THK: 0. 750- 0. 752"FREQUENCY: 1. 00 HZ SPECIMEN WIDTH. 4. 990- 5. 010" 7075ENVIRONMENT: R. T. *S. T. W. REFERENCES:GD008
AK (MPA ,/) &K (MPA Vrm)4 10 40 100 4 10 40 100
I I 'II I fil
STRESS RATIO - 0. 10 USTRESS RATIO = +0-.30
10.1 10.1
10-2 10 -2
lo,- U
-~~1 &100 0
z E
4 1004 710- cc
10.' lo 5
67 1-7107 1010
10-8 1-8 W~L1 ~ ~1 4 10 40 100 114 10 40 100
STRESS RATIO= -+0.50 00STRESS RATIO 100
62 ~12
-10-1 10.1
-22_-~ - 102 o 10-_
> -4 -4
o 10110-010,3 E
z E
105 - i 510 10
104 07
15o
100 -0
106 1 0
168 ... L±.L .. i -1078 1~j~ j 1111ld I 1 11111 4 10 40 100 1 4 10 40 10
AK (KSI vTh Fgr8.342AK (KSI VTnh
8.9-161 II
Downloaded from http://www.everyspec.com
TA3LE 83.9.3.43
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WTT1 FIG URE 8.9.3.4m2 INDICATINGZ EFFECT
OF STRESS RATIO
MATERIAL: AIUMINUM 7075CONDITION: T7,-51ENVIRONMENT: R T. H.H A.
DELTA K DA/DN (1O**-6 IN./CYCLE)(KSI*IN**1/2)
A B3 C D
R= '-0 ;?5 R---O 50
A: 5.04 1. 08DELTA K B 9.23 10. 6
MIN C.
6.00 2.097.00 3.828.00 : 6. 139.0010.00 13. 413. 00 33. 9
A: 8.87 8. 30DELTA K B: 13.99 43.8
MAX C:D:
ROOT MEAN SQUARE 7. 31 14. 56PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0 8
RATIO 0.8-1.25 4 4SUMMARY 1. 25-2.0'NP/NA) 2. 0
8.9-162
Downloaded from http://www.everyspec.com
-. -. . *
CONDITION/HT: T7351 ALUM.FORM: PLATE YIELD STRENGTH: 54.5 KSI ALLOY
. SPECIMEN TYPE CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 475'
- . FREQUENCY: 12. 00- 30.00 HZ SPECIMEN WIDTH: 4. 000" 7075ENVIRONMENT: R. T.. H. H. A. REFERENCES:BL002
AK (MPA V') AK (MPA V/')- 4 iO 40 100 4 10 40 100
I I T I I I I I' II' 100 1 1 1 1 11 1
STRESS RATIO = "0. 25 STRESS RATIO -0. 50
10 - 102
'10-1 101
10.3 10 3OIll 1°2-2 -_
10-2 10 4
-4-410- 10 "
z -5 5'a__ 10 5
10 1i z
V 4..4
0 14100
5 5
10 10
C1o 6 1 -06
1-8 1 8
104 10 40 100 4 10 40 100
STRESS RATIO " 10 STRESS RATIO = 10
1-2 1_________ 2
10 - 10---- j101 _ 10 - 1
10- - 10-
.10 _102. 41-4 .,
_ _10 _ 10 _ _ _
z EZ l0o - 1
.5 - z
0 -104
-- - 06 __ _ __0.
__ _ 6 --__ _ _ _ _ _
100-10F0
1, ,,, 1_ 10.
10:- "__ _ _ _ _ __ _ _ _ _ - 10-10.6 6106
; ' ; " : . 1 0 8 1 1 1 i l l-I I I 1 , I 1 , - 0 81 I 1 7 11 1 1 0
" ." 1 4 10 40 100 1 4 10 40 10
AK (KSI V.'n) AK (KSI vTinFigure 8.9.3.43
8.9-163
--- ", - "- "- " "" .. " " -
Downloaded from http://www.everyspec.com
TABLE 8.9.3.44
F4TIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.44INDICATING EFFECT
OF STRESS RATIO
MATER IAL- ALUMINUM 7075CONDITION: T7351
* ENVIRONMENT: R T H-lHA
DELTA K :DA/DN (1O**-6 IN. /CYCLE)
A B C D
R=-+O 10 R=+0. 25 R=+0. 50
A 4.07 274DELTA KB 2.07 00
MIN C: 1.84 .0781D
2. 00 . .0960
2. 50 . 0834 .161*.3.00 .146 .293
3.50 .2274.005.00 .6296.00 1.387.00 2. 676.00 4.669.00. 7.4010000. 10.8
A: 12.66 21.8DELTA K B: 3.87 . 287
MAX c: 3.27 . .442
D:
ROOT MEAN SQUARE 19. 61 29 47 7. 41PERCENY ERROR
LIFE 0.0-0. 5PREDICTION 0.5-068 1 1RATIO 0.8-1.25 6 7 4SUMMARY 1. 25-2. 0(NP/NA) >112 0
8.9-164
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: PLATE YIELD STRENGTH: 60. 5- 84.5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 475- 0. 506"FREQUENCY: 12.00- 30.00 HZ SPECIMEN WIDTH: 8.00 7075ENVIRONMENT: R. T. H. H. A. REFERENCES:BL002
AK (MPA A AK (MPA V-/)4 10 40 100 4 10 40 100
:':( -' 'l' ll I ' I'1 1' -+( ) -- I ' l 1ll' I ' 11 l-''l __
STRESS RATIO =#+0.10 100 STRESS RATIO =+0I. 25
10 102
_10.1 10 -1
o 3 13i! " 1 . 2 100
10 10.
U
-03 10.3 E
100-E
0 o 101.'S 4
10, 10-4
S0 5 10 -
10110 -640 100 6 oi
4 10 40 100 1 4 10 40 10
STRESS RATIO = -IL50 10 STRESS RATIO = 10.-
10 2 10 2
I 10"1 10.1
103 10
3
. 10 2 -- 1-2
_ 10;
10 104 U>. -40
. 3_ _10-1
01 0 103 E
"i :) 10.410"
ZCE
z -55
5 ___ ____ __1 06lo 10 _
101 - 100 ".-6 16610 1
10 10
10.6 16o
-168 8 1 a h ill I 8 111111 10" 1 W I , ,I,1 1 I1 -1,1
-. 1 4 10 40 100 1 4 10 40 100AK (KSI A/' ) AK (KSI ,/-".
% ~Figure 8.9.3.44 ..
8.9-165
I - .- . .-. . . . . . . .. . . . . . ....-. " -
Downloaded from http://www.everyspec.com
TAHLE 8.9.3.45
FATIGUE CRACK gROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA -SSOCIATED WITH FIgURE 8.9.3.45 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T7-351ENVIRONMENT- R T ,LAB AIR
DELTA K DA/DN (1O**-6 IN /CYCLE)(KSI*IN** /)
A D C D
R= -1 00 R=+O 02 R=+O 50
A- 566 -06
DELIA K B 5 60 .90MIN C 4. 17 78
D:
5.00 1 H76. 00 2. 15 1. 14 3. 497.00 2. 53 1. 63 5. 238.00 3. 11 2.70 7.069.00 3.92 3.78 9. 14
10.00 5.00 5.09 11. 713.00 10.6 10.9 25. 716.00 21.9 21. 57 520.00 52.0 46.0 12625.00 121. 104. 25730.00 239. 206. 600.35. 00 482 360.
40. 00 1027. 580.50.00 1568
A: 47.96 2247DELTA K B: 57 77 4085
MAX C 34 36 103/
D:-2•
ROOT MEAN SQUARE 9 11 9 33 7 05PERCENT ERROR
LIFE 0 0-0 5PREDICTION 0. 5-0 8RATIO 0 8-1 25
SUMMARY 1 25-2 0(NP/NA) >'2 0
8.9-166
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH. 67. 3 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 75. 5 KSIORIENTATION: L-T SPECIMEN T-K: 0. 250"FREQUENCY: 1±0. 00 HZ SPECIMEN WIDTH: 4. 000"77ENVIRONMENT. R.T..*LAB AIR REFERENCES:MA006
4K(P m K(P 10 40 100 4 10 40 100
STRESS RATIO = -1. 00 loSTRESS RATIO -- 0. 02
1102
- o- 100
U3 .4
10 10
E>1 104 10_4
V~1 1 0-
10 10 E
- -8 5 z]...L.~1p 4 10 440 0 4 0
10~ -
10.16 10'
40 10 4 -0 10 40 100
1-2 -26,
10. 10'
3~ 63100
*010-1-
106
1o 106 1
104 14K~181 1 0 1X
8.1 -167
Downloaded from http://www.everyspec.com
TABLE 8.9.3.46
'FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.46 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075CONDITION! T7351ENVIRONMENT: R T ,H HA.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0 33 R=+0. 20
A 1. 54 0136DELTA K B 1. 01 .00641
MIN CD:
1.30 .0463
1.60 .0137 .0776
2.00 .0329 .156
2.50 1043.00 .2013.50 3784.00 .6685.00 1.63
6.00 3.007.00 4.688.00 6.669.00 8.9210.00 11. 513.00 22 316. 00 40. 1
20.00 65.9
A: 22. 75 145.DELTA K B: 2. 18 .289
MAX CD:
-----------------------------------------------------------------
ROOT MEAN SQUARE 25. 70 28. 86PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0. 0-0 5
PREDICTION 0.5-0 8 1RATIO 0. 0-1 25 1 2SUMMARY 1. 25-2 0 1
(NP/NA) :-2 0
8.9-168
I,, , -'. '., . ./ - -- .. . L. . :::'. - i .,....- -,... .. -. -- --. - . . . ..- -,-
Downloaded from http://www.everyspec.com
*CONDITION/HT:T75ALMFORM: 1. 00"TH PLATE YIELD STRENGTH. 52. 0 KSI ALLOYSPECIMEN TYPE: VOL ULT. STRENGTH: 73. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 250- 0. 251"FREQUENCY: 25. 00 HZ SPECIMEN WIDTH: 2. 550- 2. 554' 7075ENVIRONMENT: R. T..* H. H. A. REFERENCES:AL005
* * AK (MPA ~/)AK (MPA /Th4 10 40 100 4 10 40 100
STRESS RATIO = *033 100 STRESS RATIO -*+0.80
10>1 10.1
1 0- 10
> -4 in-4C10 10 -
10io 10~ E
10o 10-o -
6- 106
106 0
110.1
10.2 100?10 10 10- 10 40 10
'7ES RTI -100 1010
10 11
-6 -6310 - 10'
10 10~
10-3 1063
'0X 108110 4 000 0
168.9-16 7
Downloaded from http://www.everyspec.com
:ABLE 8.9.3. 17
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DArA ASSOCIATED WITH FIGURE 8.9.3.47 INDICATING EFFECT
OF FREQUENCY
S- MATERIAL: ALUMINUM 7075CONDITION: T7351
• .- ENVIRONMENT: R T ,H.H.A.
. - DELTA K DA/DN (I0**-6 IN. /CYCLE)
.-. (KSI*IN**I/;)A B C D
F(HZ)- 25 00 F(HZ)=200. 00
A. 1.61. 00" DELLA K B 1 86 00MIN C 18
D:
2. 0 0275 01642 50 0778 1223.00 .172 1513.50 .323 3454.00 .545
S5. 0 1.256.00 2. 367.00 3.95.600 6.089. 00 8.8110.00 12. 213.00 26. B16.00 49. 320.00 94. 3
A: 23. 32 147DELTA K B: 3. 58 44
MAX CD.
ROOT MEAN SQUARE 19. 82 32 14PERCENT ERROR
LIFE 0. 0-0 5PREDICTION 0 5-0 8
RATIO 08S-1 25SUMMARY I 2-2 0(NP/NA) 2 0
_ ~8.9-170
* . * - * * -,.
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 1.00"TH PLATE YIELDSTRENGTH: 62.0 KSI ALLOYSPECIMEN TYPE: WOL ULT. STRENGTH: 73. 0 KSIORIENTATION' L-T SPECIMEN THK: 0. 250- 0. 251"STRESS RATIO: 0.33 SPECIMEN WIDTH. 2. 550- 2. 551" 7075ENVIRONMENT: R. T. , H. H. A. REFERENCES:NCOO3, NC002. AL005
AK (MPA v'T) AK (MPA ,/m-)4 10 40 100 4 10 40 100
FREQUENCY (Hz) 25. 00 10 FREQUENCY (Hz) 200 00
10- 10 1
10 12
10 _ 10 10 '1010-: 34 .4
1010 10
10 . 10-n
S10-7 10"7
-- 10-6 10.6
..- 10-8 l l l ~ l , - 10 -8 lh h. . I l lt -
1 4 10 40 1001 4 10 40 100
k!:) @lprr ~TF I ~FI- FREQUENCY (Hz)= 10 - EQUENCY (Hz) 10
-2 -2
.0 10- 10
10 10
1: -- _____10310 1 5 Z,
>1 104 4 - uC..)- _ 1 .
r>. -- - 10_ -o
106 1
6
-0 - 10 E
10 - _0__ -' z
- 4 - -V 1010 m
-6 1___ _ 6 _ __ _
10 1010 10
lo-, 10 (
I i L ti I I I , I I, ll 10-8 . L . I JI I I I I ll4 10 40 100 1 4 10 40 100
K (K.S1I-' 'n) Figure 8.9.A7 AK (KSI 'vin)
8.9-171
Downloaded from http://www.everyspec.com
'rS
TABLE 8.9.3.48
WATIGUE CRACK GROWTH RATES AT DEFINED LEVELSg OF STRESS INTENSITY FACTOR
D)A'A ?SSCI;TEVD WITH FIGURE 8.9.3.48INDICATING EFFECT
OF ENVIRONMENT
A M1! MI 7075IN
DA/DN (10**-6 IN. /CYCLE)
A 13C D
E= R T. E-~ R .T3 5%. NACL NITROGEN GAS13- 20HZ 10-20HZ
A 36 3.87DELTA K B 3 39 .785
MIN CD
3.50 8464.00 4.53 1 085.00 7.807 1 446.00 13. 4 1.837.00 21. 1 2.528. 00 30. 0 3. 839.00 388 6.4510.00 12. 0
A: 9.75 443DELTA K B: 10.81 21. 0
MAX C:
ROOT MEAN SQUARE 27. 10 19.61PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0 8 1
RATIO 0.1 2 3 2SUMMARY 1. 25-2 0 1(NP/NA) ,2. 0
* 8.9-172
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH: 60. 0- 70. 0 KSI ALO
SPECIMEN TYPE: CT ULT. STRENGTH:K: ORIENTATION- S-T SPECIMEN THK: 0. 509- 0. 512"
STRESS RATIO: -o0. 50 SPECIMEN WIDTH:- 1. 000- 1. 027' 07FREQUENCY: REFERENCES:MR001
AK (MPA -,/) AK (M PA \/ThI*4 10 40 100 4 10 40 100
* ®R8Njv Nr: R. lo @j 0 ENVINMENTR..
10 1010H
101 10-1
-2 2102 102
>1 *4 -4
Cl 10- 3 1 0
E
z -5 5___ __
10 -4 10- 4
-7)
10
11 16F1
0-a 8 1 108 1114 10 40 100________ 4 10 40 100
I I , 1111 ! I I 'IT **T --- ; 1 111111 1 1 1111111-© ENVIRONMENT: 10o E NVIRONMENT:10
10 -010
10-1 10-1
-2 -_ 10 10
0 4 0
>1 -4 4r _________
100 3 EU
~ 10
10 1010
10' 010
i-5
10~1 10 5 -1 ....... L.L~
1 4 10 40 100 1 4 10 40 10&K (KSI V/t") Figure 8.9.3.48 AK (KSI v7/W)
* 89.9-1731
Downloaded from http://www.everyspec.com
70
TABLE 8.9.3.49
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DArA ASSOCIATED WITH FIGURE 8.9.3.49 INDICATING EFFECT
OF ENVIRONMENT-- - - - - - - -- - - - - - - - - - - - - - - - - - - -------------------------MATERIAL: ALUMINUM 7075CONDITION: T7351-----------------------------------------------------------------------------------------
DELTA K :DA/DN (I0**-6 IN. /CYCLE)* - (KSI*IN**1/2')
A B C D
Er- R. T. E= R.1. E= R.T.:LAB AIR JP-- FUEL SIM SEA WATER
A: 4. 0 7:DELTA K B: 6. 10 :1. 01
MIN C: 4.48 .24D:
5.00 .293 .4276.00 .670 1.017.00 1.31 1.21 1.946.00 2.31 2.33 3.P69.00 3. 73 4.25 4.9710.00 : 5. 65 6. 68 7. 1013.00 14. 9 15. 7 16. 116.00. 30. 1 26.6 29720.00 59. 4 462 56425.00 108. 90.7 110.30.00 165. 190. 195.35. 00 433. 331.40. 00 1057.
A 34.27 216.DELTA K B. 47.98 4953.
MAX C: 38.19 455.D
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 37. 836 32. 33 32. 35PERCENT ERROR
-- - - - - - - - - -- - - - - - - -- - -- - - - - - - - - -- - - - - - - - - -LIFE 0.0-0.5
PREDICTION 0. 5-0.8RATIO 0.8-1.25SUMMARY 1. 25-2. 0(NP/NA) >2 0
8.9-174
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM 1.25"TH PLATE YIELD STRENGTH: 54. 5- 57. 8 KSA
SPECIMEN TYPE: W' - ULT. STRENGTH 68. 0- 69. 3 KSI-" ORIENTATION L-T SPECIMEN THKI 1. 250"
STRESS RATIO: -0.02 SPECIMEN WIDTH: 5. 000" 775" FREQUENCY. . 10- 20. 00 HZ REFERENCES:MA005
"'-"AK (MPA t, ZK (M PA
4 10 40 100 4 10 40 100
ENVIRONMENT: R. -1 ENVIRONM NT R.T..LAB AIR 10o JP-4 FUEL
10-- 0 1 - 10
10' 1 0 J_________-
Z_0 10 2 00 ~
1010z'"10 ,1 0
-10
10 107s 10(1' - /- 106 -- 10 4
10• E".R"EI0oE - 1N10
10-8 -o - 10.6 -ioo
1, . 4 10 40 100 10 14 10 40 100
t;..N = I" 1 11 11 1 - I I I I IIIII I I 1 1 11111" " ",,",F--V R( PI --VAT ER 10 0 --@ ENVIRONMENT-- 0
102 -- 10
10 -10
10 10
Z.. __ - -o __ z-10 10
cv 410-10
-6 -6 __1-610 10
1c'--- "0-1
. . ..- _ L . L " __ 10 .4 - -.10L-168
1 4 10 40 100 1 4 10 40 100
~f
AK (KSI 6K (KSIr 9. 1 )
* 4, - _ . .
... . . . .. . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .
Downloaded from http://www.everyspec.com
.. . . . . . . . . . . .... 7 .7 .7771. ....- 7 , - 7' 7- 17T..
TABLE 8.9.3.50
~TIG.;ECRArK GROWTH RA T ES AT DEFINFD LEVELSOF STRESS INTENSITY FACTOR
DAT; ? ~. jTEl. WTH FIG:-URE 8.9.3.50 NCAI EFT
OF ENVIRONMENT
MATERIAL AL-UMJNYI!.77)7tCONDITION-T~
%DELTA K DA/DN (10**-6 IN. /CYCLE)
FR 'rE= Ril. E' R.T.i A7-. iR DIST WATER 3.57Y. NACL
ADELTA K B 1ITh lc 3 2. 5M IN C: 20. -Oc 93. 8
20.00 46. 925.00 908 1/3.30. 0 0 233. 296.
A:DELTA K B: 32. 70 4e8.
MAX C: 32. 13 390.D:
ROOT MEAN SQUARE 0. 00 7. 52 2. 03
PERCENT ERROR
LIFE 0.0-0, 5PREDICTION 0. 5-0 8
RATIO 0.8-1,25 1 1SUMMARY 1. 25--2 0(NP/NA) -12 0
8.9-176
Downloaded from http://www.everyspec.com
-. ."
CONDITION/HT: T7351 I ALUM.*! FORM: 1. 25"TH PLATE YIELD STRENGTH: 53. 2 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 65. 1 KSIORIENTATION- L-T SPECIMEN THK: 1. 250"STRESS RATIO: +0. 02 SPECIMEN WIDTH: 5. 000 775FREQUENCY: 0. 10 HZ REFERENCES:84383
AK (MPA V/'m) AK (MPA %/-m)4 10 40 100 4 10 40 100
ENVIRONMENT: R. -• 100 ENVI ONMENT: R. T..
i LAB AIR DIST WATER
12 - io2
101 101
10[ 0- 02
> --4
"10 _ 1 4 0-5 E
__.-..4 -01 410
1-6_ _10.5 --
_10 166
.-- 5 10--
10. 6 -1 6
1 0 8 F I8 1 I , 1 I I , 1 0I
i
1 4 10 40 100 1 4 10 40 100
"'- ENVIRONMENT: R. . 0 ENVIRONMENT: 1003. 5% NACL: 1: 1 -2 -- _ _ _ _ _10
.2 _ _ _ _
1 00
"
010-3 63
10-2 _10
-010-
16 4 -
.'."0 -- " i- - Io- E_ n 3 E
- 10____________ _-_ 1- 105 Z
- 10.4_
-0 06 --16 --
10 1100
i1o6,0
7 -- 10
S06 06
10-8, 1 jLLJ - r08 I l IIJ JI1 4 10 40 100 1 4 10 40 100
... Z ~K (KSI 'V inT) A K I T
A(KI." Figure 8.9.3.50 AK (KSI v'~)
8.9-177
j .,. . .:: - ................................................................................................................ ..
Downloaded from http://www.everyspec.com
TAL41-E 8 ~ .5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
* DATA ACSOCIATED WITH FIGURE 8.9.3.51INDICATING EFFECT
Or STRESS RATIO
MATERIAL ALUMINUM- 7075
CONDITION T7351
EN'VIRONMENT R T H IA A
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KcSI*IN**1/2)
A B3 C D
R-tfO 13
A 1 3 0139?DELTA K B
MIN C
1 .60 .02822.00 .05692. 50 .104
3.00 1693.50 .260 14.00 .3945.00 .8956.00 1.947.00 3. 768.00 6. 429.00 9.73
10.00 13. 213.00 19.3
A: 13.43 19. 3DELTA K B:
MAX c:D:
ROOT MEAN SQUARE 22 36PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0 8 2
* * RATIO 0.8-1.25SUMMARY 1. 25-2.0(NP/NA) :20
. -1 7k
Downloaded from http://www.everyspec.com
, CONDITION/HT: T7351 ALUM.SFORM: 1. 38"TH PLATE YIELD STRENGTH: 64.8 KSI ALLOY" SPECIMEN TYPE: CT ULT. STRENGTH: 74. 7 KSI
ORIENTATION: L-T SPECIMEN THK: 0. 247"FREQUENCY: 25. 00- 50.00 HZ SPECIMEN WIDTH: 2.50" 7075ENVIRONMENT: R. T.. H. H. A. REFERENCES:AL005 .
&K (MPA v's) AK (MPA -,/m)1~"1
4 10 40 100 4 10 40 100
STRESS RATIO -1-0. 33 STRESS RATIO
102 162
10-1 10-1
.10 -210 -2
" 4 -4
0.5 10 -
_ _ _ _ _ ___ 10.4
--- _ _ _10.4
-
10. 10- 10--
10.7 - 10. _-
-5 510 lo00
10- lo0,
10.6 106
I 4 10 40 100 184 10 40 100
STES =AI STRESS RATIO =10
110. 102 -.
03 -- 10 .3-1100 --
4 40
4 1 0 10
100
10 E
10. 5 -- 1 10. _
70 10- 10 -
-; - 105 - 10.5
- 11002 10;
.' " - _ _1 0 -6 1 0 6
1010
. 10-8 7,_,_I , , I- 1 0 8I I
1 4 10 40 100 1 4 10 40 100
&K'KI n Figure 8.9.3.51&K(S
8.9-179
' :' %-. " "' "-' -' .-."-.-. " ," ''. " ."". -",-.-''. -- '4 ,''.-.- -.- - ,- . . .- • - . • -". .-..- .-,- .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.52*iFATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.52INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T7351
ENVIRONMENT: R.T. L. H. A.
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 08 R +O 30 R=+O. 50
A: 4. 55 .271DELTA K B: 7. 15 .219
MIN C: 4.52. 1. 08D:
5.00 .330 1. 516.00 .546 2.877.00 1.49 4. 71B.00 3.05 3.77 6. 739.00 3.95 6.38 9. 1610.00 5.76 8.07 12.6 't" ;
13. 00 17. 5 42.416.00 31.8 222.
A: 10.89 " 11.4DELTA A B: 19.22 " 92.6
MAX C: 16.33 269.D:
ROOT MEAN SGUARE 9. 30 16. 82 13. 90PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8RATIO 0. 8-1. 25 21SUMMARY 1. 25-2.0(NP/NA) >2.0
4 I1
° ,
: 8.9-180
, '_ " " ' " ." -, ', ., ', ? ' ." • '. .. '.' .. .'. ". ." .' ". ,"-' '. " .' ". .', ." .' ',I
Downloaded from http://www.everyspec.com
1 CONDITION/HT: T7351 ALUM.FORM: 2. 00"TH FLATE YIELD STRENGTH: 58. 0- 55. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 0- 7. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 810- 0. 994"FREQUENCY: 5. 00 HZ SPECIMEN WIDTH: B. 000- 7. 400" 7075ENVIRONMENT: R. T.. L. H. A. REFERENCESs8579. 85837
AK (MPA %/') &K (MPA ,/)
4 10 40 100 4 10 40 100100
STRESS RATIO= -0. 08 STRESS RATIO = --0. 30
-62 16______ ________ -i2 1 01o
-10-1 10
2 -2
~j 10
- - 5 1 0_3_E- 10 - 0 . 100 . 2 z
z- -510 105 10
5510- 10~
.'..1 _ - 10. 106
1081 4 10 40 100 4 10 40 100
-2 _ __ __O- -16
10010. @ 100
10-3 __ _ _ _ _ _-10-
1 12 10-2
I! :e -_~ - -oO
4 4
= STRESSRI 10zV
. 166 --- 6 105
100 - 10
1 0 3 11 --
8 .981-
1 O 16
• > > 10,6 -- 61 4
,.... -- . 10 .5 ._ 10.
";-. m.. 10 "e 1 1 1 1,T I I 1 I ,1 10 1 ,1 I Iz [ I , , -
"""1 4 10 40 10O0 1 4 10 40 100
.,..-oK (KSI /7'n) AK (KSI n
-".'-'.Figjure 8.9.3.52
@, 8.9-181
77 . " . " . ' - . " . % •v " . . ",% % . % j . " , . . . " . ,: . . . . , • " . , . " . " . " . :
Downloaded from http://www.everyspec.com
TAI3LF ~93
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE .5 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075CONDITION T7351
* ENVIRONMENT R T .L H A
K DEL~TA K .DA/DN (1O**-6 IN. /CYCLE)* (KSI*IN**1/2)
A B C D
R f-0. 08
ADELTA K B
MIN CD:
200.00
ADELTA K B
MAX CD:
------------------------------------------------------------------------------------------------
ROOT MEAN SGUARE 0. 00* . PERCENT ERROR
-------------------------------------------- ~.-------------------------------LIFE 0.0-0. 5
.' PREDICTION 0.5 0. 1RATIO 0.8&-i1 2 5
* . SUMMARY 1.25-2,0*(NP/NA) >2.0
dP-
Downloaded from http://www.everyspec.com
CONDITION/HT T73SI ALUM.FORM: 2. 00 "TH PLATE YIELD STRENGTH: 64. 7 KSI ALLCYSPECIMEN TYPE: CT ULT STRENGTH: 75. 5 KSIORIENTATION: L-T SPECIMEN THK: 0. 817FREQUENCY. B. 00 HZ SPECIMEN WIDTH7 6. 00 7075ENVIRONMENT: R. T. L. H. A. REFERENCES:85837
AK (MPA ,/m') AK (MPA /-'m)4 10 40 100 4 10 40 100
STRESS RATIO= --0.08 STRESS RATIO
102*' -. 10 - 1 -
10 1010 3
10,0 10-- 0-4-
10 10 -
--, 0 in 10_
10-,10 . 5 Z_1_10
-- _ 10O 10-
1- -1 -1
610 10
-- 06 1 1 10
. .- -1 0 - I I ,L L L L L - 0 -8 I J j JI J , I , I { IJt AI I
S 4 10 40 00 1 4 10 40 100
STRESS RATIO= 10 STRESS RATIO= 101O2 2_ 0
10-
1001 110
io>" 10" 1010--2
10. 5 10
. 5- 1004
10
-- _ _ _ _ _10 - 10 _ _- 10
.
0 o 10 -
1010
10- -0
10- . 10 6
108 1 0i0 I1 4 10 40 100 1 4 10 40 10
AK (KSI Tu) .5K (KSI v/T.-.. :Fig-ure 8.1).3.53
S.9-1 3
.- . . , . ,- ., . ,. . =. . . ,, ; ,: : , , . : . . , . . - ,- - . . . . . - .. . . . . . . . . • : . ,
Downloaded from http://www.everyspec.com
TABLF 8.5.3.4
" -TrlGUE CRACK k7-ROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
D.'J.. -%SSOCI'TED WTTH FIGURE ?... .3.54TNDNCATING EFFECT
OF ENVIRONMENT
MATER IAL AL UMJ r,: 7075
CONDITION T735i
. DFI TA K DA/D.N O1-0-6 IN. /CYCLE)
A B C 0
E= R T. R T.L H A , H i T W , 6H7
A 3 .4 175
DELTA K B 4 42_ 225. MIN C
D
4. 00 179500 .399 470
6. 00 .974 1. 2270 0 1. 93 2 458 00 3. 27 4. 209. 0 4 97 6. 49
10. 00 7 00 9 3313. 00 14. 8 21. 616. 00 24 8 41. 1
A. 18.66 35. 6DELTA K B: 19.29 75.0
MAX CD:
ROOT MEAN SQUARE 7. 25 19. 67PERCENT ERROR
LIFE 0. 0-0 5PREDICTTON 0. 5-0 8RATIO 0 8-I 25 1 1
SUMMARY 1,25-2 0(NP/'NA) 2 0
-.b4." .'"
O, 9. >1'
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 2. 00"TH PLATE YIELD STRENGTH: 58.0- 64.7 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 0- 75.5 KSIORIENTATION- L-T SPECIMEN THK: 0. 816- 1. 000"STRESS RATIO: -0. 08 SPECIMEN WIDTH: 6. 000- 7. 400" 7075FREQUENCY: REFERENCES:e8579. 85837
AK (MPA VN) AK (MPA /M-)4 10 40 100 4 10 40 100
ENVIRONMENT: R. .. 100 ENVIRONMENT: R. T..L.H.A.. 1HZ S.T.W.P 5HZlO2 lO__ __--2 _ _ _
10 - 10"1 10 10 "1
103 -- 10.F3 Z-
10 .2 102
1( 4 164 _
51 - 10 0 10-.3
z 5 _E_~10 ___5_165
z• 'o 1 1015
"o 10 4 _ 10 4 "
0-6 - -6 -0 -_ 1 10
1 0F3 10
0-7-
010
4 4 10 40 100 4 10 40 100- ENVIRONMENT: !10 0 ENVIRONMENT: 100
1 2 10-2
10. - 10. - 10.1 10.'
lo-
102 105 105 -
cc ....
-4 - )
, .- -- "1 0
- 10 7 -
- 10 . 6 10 610 - 1
. . 1 4 10 40 100 1 4 10 40 100
K (KSI .%/T ) Figure 8.9.3.54 AK (KSI V/Tn
i 8.9-85
Downloaded from http://www.everyspec.com
TA8LF* 8.9.3.55
F-- TIQUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DA TA ASSOCIATED WITH FIGURE 8.9.3.55 INDICATING EFFECT
OF ENVIRONMEN1
MATERIAL ALUMI-N4UM 7075CONDIlIION: 173i
DFITA K DA/DN (10**-6 IN. /CYCLE)
* A B C D
E= N T. ER T.L.H.A. S. 1. W.6HZ iHZ
A: 4.09 368DELTA K B: 5.44 1 50
MIN C:" * D:
' 5.00 440
6.00 763 2237.00 1.30 4 268.00 2.01 7 48 Vz9.00 292 12 1
10.00. 4.10 18.013.00 10.6 39.716.00 27.7
A: 16. 12 28. 9DELTA K B: 15.09 52.1
MAX C:
ROOT MEAN SQUARE 26. 12 16. 15
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8
RATIO 0. 8-1. 25 2 1SUMMARY 1.25-2.'(NP/NA) 2 0
.- 1%
4.
~8. 9-186
* •
Downloaded from http://www.everyspec.com
CONDITION/HT: T735 1 ALUM.
FOMSECIMEN TYPE: CT PLTUILD. STRENGTH: STENTH 0-7. S~: .. ORIENTATION- T-L 08SPECIMEN THK: 0. 820- 1. 000"
STRESS RATIO: -08SPECIMEN WIDTH: 8. 000- 7. 400" 77SFREQUENCY: REFERENCES:898579, 85837
&K (MPA ~A)AK (MPA NVm4 10 40 100 4 10 40 100
G)-NVIRNISMENT: R. .. 100 1 EVI NMET: R
iolo
10.210
11010- 103
:zi E
40 1o- 4
10 6.41 1
lo 10'
10 -6 1 -
11 0 4 0 4 10 40 100
@.- ENVIRONMENT: 100 ENVIRONMENT: 100
1-2 Z-1 2 ________ ______ __
10- - 10
10-' 102
410-3
1-5 10- Eo
15 10_5 _ _ __ _
.10,4 i10
W i0- 4
1-- 1--
107 1 1011
1 4 10 40 100 1 4 10 40 100AK (KS Vr~) Figure 8.9.3.55 K(SVh
8.9-187
Downloaded from http://www.everyspec.com
---- --- -17 7-7 -7- 7-p7 1 . . . . .- 7-..
ALE8.9.3.56
-S .FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSS OF STRESS INTENSITY FACTOR
P LVATA ASSOCIATED WITH FIGURE 8.9.3.56 INDICATING EFFECT
OF ENVIRONMENT
MATERIAI- ALUMINUM 7075CONDITION: T7:351
' -----------------------------------------------------------------
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN*11/2)
E= R. T. E= R. T.
A: 9.46 3. 145' DELTA K B: ~~*A I
MIN C:D:
10.003.9513.0010.416.0020.620.0041.425.0063.9
A 30.00 156.DELTA K B:
MAX C:D:
* ROOT MEAN SQUARE 41.64 0.00PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0. 0-0. 5
* PREDICTION 0. 5-0.e IRATIO 0.8-1.25 1
-S SUMMARY 1.25-2.0 1(NP/NA) >2. 0
8.918
Downloaded from http://www.everyspec.com
CONDITION/NT: T7351 ALUM.FORM: 4. 0I"TH PLATE YIELD STRENGTH: 53.2 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 85. 1 KSI
%4 ORIENTATION- L-T SPECIMEN THK: 1. 250"STRESS RATIO: +. 92 SPECIMEN WIDTH: 5. 000"
S0FREQUENCY: 1. 00 HZ REFERENCES:84387
'"'' AK (MPA Nv/') &K (MPA %/'). 4 10 40 100 4 10 40 100
-ENVIRONMENT:R. 100 ENV ONMNT: R. T..LAB AIR 3. 5% NACL
1-2 1-2 _1l 10 10 "
1 0 .110 . 1 0. .1-
1 o3 16i3
10 . 2 i1 .2 ._
", .u 10_ 10 .
E 10 10 . 3 E
z'io 10- - 10 1Z
l 15 0 10765
-6 -60s _________ _______ _ 10-n
1@1 161
1- I I I I___ ,I,6,10710
1- I fill1,1 I I l n l n , -
1 4 10 40 100 0 1 40 100' ' i 'll= I 1 1 11 11 11 1 10
2 1 1 1 1 1 t= 1 " 1' 1 1 1 ' 1 '1'1 " t
ENVIRONMENT: 10 @ ENVIRONMENT: 1 o
1-2 162___ _
z__ _ _ _ _ _ _ _ _lo- .0 -
1 o - - 10 . 1 _3 -2
10j4 14
10 103 E 0.
,C.. _ __ _10
"2 i- 1
S10" 1 0
101.| O, - >,
0 10 5 105 Z
io - -6 _10" ___10 __"_
10 - 101
11 7 160- 1
10 .6 1
1 4 10 40 100 1 4 10 40 100AK (KSI V ) Figure 8.9.3.56 AK (KSI VI~h
8.9-189 • 4 ~** .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.57
FA4TIQUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
i
DATA4 ASSOCIATED WITH FIGURE 8.9.3.57INDICATING EFFECT
OF ENVIRONMENT
MATERIAL ALUMINUM 7075CONDITION: T/351
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R.T. E= R.T.LAB AIR DIST WATER 3. 5% NACL
A: 9.36 3.89DELTA K b: 20. 15 " 42. 6
MIN C: 20.82 . 58.0D:
10.00 : 5.0413.00 12.816.00 : 24.320.00 : 44.025.00: 83.1 90.0 99.530.00 : 190. 221. 249.35.00 : 651.
A: 34.34 : 522.DELTA K B: 37.06 : 1073.
MAX C: 32.93 : 470.D:
ROOT MEAN SQUARE 18. 45 7. 51 6. 17PERCENT ERROR
----------------------------------------------------------------------------------------
LIFE 0. 0-0. 5PREDICTION O.5-0.8RATIO 0.8-1.25 2 1,SUMMARY 1. 25-2. 0(NP/NA) :>2. 0
8.9-190
-C
Downloaded from http://www.everyspec.com
- %,
CONDITION/HT: T7951 ALUM.FORM: 4. 0"TH PLATE YIELD STRENGTH: 53. 2 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 85. 1 KSIORIENTATION- L-T SPECIMEN THK: 1. 250"STRESS RATIO: 0 02 SPECIMEN WIDTH: 5. 000"
d - FREQUENCY: 1.03 HZ REFERENCES:84383
4 &K (MPA AF ) AK (MPA X/ 9)4 10 40 100 4 10 40 100
ENVIRONMENT: R. T. 100 '.- ENVI ONMENT: R.T.LAB AIR "DST WATER
1010 10
10' -- 00
0 Z:- 10"
4 Z"
10 -
c 103 10 E_ _E
-- __ __ _ __ _ r- 10. o _ _ 10
.CU Z
1 O. 10. 100
,.6, -,6 __________lO .5_______10 101 10
10 0 10
1 06 10-6
165 8 -8L* +' lOe= 10, III I , Ih - 10-8 I , I I,
1 4 10 40 100 1 4 10 40 100
ENVIRONMENT: Ro 4.11 1 100 ENVIRONMENT: 1003.5% NACL
- 10 . 1 10-1
103 10-3
a10 .2 102
'--10-3 103 E
,a 10- 0- 5 1 "10 10
1
10 10
16 10-6 1 C 7
5V
-F7 OF7
10-6 10-6
10. 1 4 10 40 100 1 4 10 40 100A K (KSI A/n)ZK (KSI -.Jn)AK Figure 8.9.3.57
S8.9-191
-,.. .. .. ... .. .. .. ., .- ...- ... .-. , .. ,, * .* .. ** . . ., . -, .,*. -,, , , .. . , . .',*,!,
Downloaded from http://www.everyspec.com
TABLE 8.9.3.58
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DA T A ASSOCIATED WITH FIGURE 8.9.3.58 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T73510
ENVIRONMENT: R T. ,LAD AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
* R= O0. 33 '
A: 5.42 2.38DELTA K B:MIN C:
D:
6.00 3.207.00 • 4.92
8.00 : 7.069.00 : 9.6610.00 " 12.813.00 : 26.816.00 : 51.2
A: 19.12 : 95.4DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 11. 10PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 4
SUMMARY 1. 25-2. 0(NP/NA) >2.0
.4
.4'
.4"
8.9-192 t.
1 t. l ",..
Downloaded from http://www.everyspec.com
- 7- .-, 1 , .. - . --- , -.... .
CONDITION/HT: T73510 ALUM.FORM: 0. 58"TH EXTRUSION YIELD STRENGTH: 55. 0 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 75. 7 KSI
ORIENTATION: L-T SPECIMEN THK: 0. e2- 0. 662'.,FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 2. 999- 3.003" 775
-' ENVIRONMENT: R.T. LAB AIR REFERENCES:AL005
AK (MP ~/~W)AK (MPA .,/-m)* - 4 10 40 100 4 10 40 100
STRESS RATIO = 0.33 10o STRESS RATIO =
10 0 10y10 10"I
10 -" 10. 3 102
_ ---- 1 .2 __-
11 2
-_
Vz,.1'4 10 -
1- 101-4 E
;"2"
10.510.5 ,0--
_ __--_ -zu _ u
.17
-
- 5
107
10.0
10-6
- 4 0 40 100 110 40 100
"%"STRESS RATIO = 0ooSRS AI 100o
10. --
1 --3 lO-7_ -7- '
:+ 10.3 ~~-2 0 3 -
-
1 064
- 1
z :: 1 . __
10.3 E
-" 1010
14 4 04 0 z 04 0
STES ATO107 STES RAI10-2 -2
101010
1076 10-6
-"o - -- - "
4 0- 4 10- 2 - 10.
:Ir
C-.
10__ ' -
,-
5j.- __ _ _ _ _ 10"________105
5
.:-..10.- 10 -z
+ -- ) - 10. i - o_ 0.
-6 _ __ _ _ _ _ __ -__ __ _ _ _ _ __ _ _ _ _ _ _-__ _ _ _ _ _
. . 10" I , I,1 1 I II I, - 10 I , I, , I , I,1 , -
• -' . , 1 4 10 40 100 1 4 10 40 100
AK (KSI fn)K (KSI T n)Figure 8.9.3.58
AKv
8.9-193
..... ... ._._ ... .. . .. .... .... .. . . ... ..,.-,.., , .. +. . ..
Downloaded from http://www.everyspec.com
TABLE 8.9.3.59
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAFA ASSOCIATED WITH FIGURE 8.9.3.59 INDICATING EFFECT
OF STRESS RATIO
MATERIAL.: ALUMINUM 7075CONDITION: T73510ENVIRONMENT: R.T ,LAB AIR
DELTA K DA/DN (1O**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R=+0. 33
A: 5.66 3.27DELTA K B:MIN C:
D:
6.00 " 3.657.00 : 5.13
8.O0 " 7.269.00 10.210.00 " 14.113.00 " 34.116.00 70.9
A: 17.61 : 99.7DELTA K B:
MAX C :D:"
ROOT MEAN SQUARE 5.8 6PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1. 25 2SUMMARY 1. 25-2.0(NP/NA) >2. 0 .
I
2.., ,
a~a", 8.9-194
"* a,.. . '. , . _. . . ''."."%*-", . '' , .,. . .'' ... '. ." " ... ... ., - .,. - ...-"- . .. , ..'. . '. . '. ."-*?-. -
Downloaded from http://www.everyspec.com
CONDITION/HT: T73510 ALUM.FORM: I. 88"TH EXTRUSION YIELD STRENGTH: 82. 4 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 73. 1 KSIORIENTATION: T-L SPECIMEN THK: 0. 499- 0. 502"FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 3. 003- 3. 004" 7075ENVIRONMENT: R.T.. LAB AIR REFERENCES:AL005
AK (MPA %/m) &K (MPA M/ )4 10 40 100 4 10 40 100
00-STRESS RATIO = -0. 33 10 o STRESS RATIO =
-62 _________ z________-
1010 101101 -101
10 . 3 10EE
Z. -- __ __ 1 . - 10
4U -4410- 4 100-
- 6-
S10 10z E11 5 z10-1
1 466 1076
100STRES RAIO =10" STRSSRAIO 10"5
166 166
10'5 10'5
-6 -6
- -10 20
o78 -1_o-1 4 10 40 100 1 0 40 10
1 oI I rE -1 7 1
i -- STRESS RATIO = 10o STRESS RATIO =10o
i102 102
10. 3 -- 10-3 - -
-UO2 _ -_ -O. 2 _
V 100- ' 1"4-
o163 O111
70" --176
10- - 10-
10.6 10
1 4 10 40 100 1 4 10 40 100
,A%.'"ZK (KSI v'n) AK (KSI ,lTn)='"' Figure 8.9.3.59
? 8.9-195
-- .. 1 - - - - - C65 *
Downloaded from http://www.everyspec.com
TABLE 8.9.3.60
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DArA ASSOCIATED WITH FIGURE 8.9.3.60INDZCATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T73510ENVIRONMENT: R T. ,LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 33
A: 5. 42 2. 65DELTA K B:
MIN C:D:
6.00 3.317.00 4.B68.00 7.009.00 9.8410.00 13.513.00 : 29.516.00 53.220.00 93.2
A: 21.01 : 104.DELTA K 8:
MAX C:D:
ROOT MEAN SQUARE 7.66PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8
?". . RATIO 0.8-1.25 3SUMMARY 1.25-2.0(NP/NA) 2. 0
V.
-
8.9-196
. . . . . . . .. . .... .- • • •• , •. . .,.. .-... ,. ,. . .- . .-. .-... ... . - , . - ,,,. ... * .. N'
Downloaded from http://www.everyspec.com
CONDITION/HT: T73510 ALUM.FORM: 3. 50'TH EXTRUDED BAR YIELD STRENGTH: 83.8 KS! ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 73. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 750- 0. 752"FREQUENCY: 5.20 HZ SPECIMEN WIDTH: 3. 002" 775ENVIRONMENT: R.T.. LAB AIR REFERENCES:AL005. AL002
&K (MPA V/m) AK (MPA V/i)4 10 40 100 4 10 40 100
0 (B) ~~I , T7'I I I I''
STRESS RATIO = -0. 33 10o STRESS RATIO =
106
10.1 10.1
1:---~-102_ -2
10.2 10.2
'S. -- _
l-,o 1 10.3 E
" 105 1075 z"-- = - o10
4 o -04
"
10510
16 7 5 1
,;.-,- -7 _"
10 ___OF,_10__
108 106
1 101 4 10 40 100
STRESS RATIO .. 1 STRESS RATIO 1_10
-62 __ _ _ _ _ -102
.. 1.-10
--3 -1.--_0' 10.14. , 4 04 04 1
10-30
1 50 10-5
,, ic' -io - _ __ _-
1010 E
Z .',_____-- _ E-
__-
10a 10. 1410-5
- 1104 10. --
77
_,.___.__-- __ 10"3 -- __ 103 10
11 OF 1 6 10" 6
• " 1 -- 10- l I 10
.46"
-. .O 6, l " __
1 4 1 1 4104 0 100
K(K SI 7'n) Figure 8.9.3.60 &K (KSI h
8.9-197
Downloaded from http://www.everyspec.com
... . . ., • ._. ,
TABLE 8.9.3.61
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS . "OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.61INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075
CONDITION: T73511ENVIRONMENT: R.T. , L. H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
* A B C D
R=+O. 08 R=+0. 70
A: 7.56 1.5DELTA K B: 2.39 .125
MIN C:D:
2.50: .1603.00: .366
3.50 :.6374.0• .9555.00 " 1.736.00 : 2.807.00 : 4.428.00 : 1.62 7.049.00 : 2.69 11.410.00 : 4.13 19.013.00 : 10.1816.00 : 20.820.00 : 37.8
A: 20.79 : 41.4DELTA K B: 11.70 • 47.6
MAX C:D:
ROOT MEAN SOUARE 6. 15 8. 20PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8RATIO 0. 8-1. 25
SUMMARY 1.25-2.0(NP/NA) >2 0
8.9-198
?.........
Downloaded from http://www.everyspec.com
CONDITION/HT: T73511IALM~g FRM: XTRUIONYIELD STRENGTH: 88.0 KS! ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KS!
FREQUENCY: 16. 00 HZ SPECIMEN WIDTH: 7. 400's07
- ~ENVIRONMENT: R. T. v L. H. A. REFERENCES:88579 77
AK (MPA N/-m) AK (MPA N/W)4 10 40 100 4 10 40 100
STRESS RATIO -o-0. 0899 STRESS RATIO -0. 70
1 00 - 1 1 0-
410-1 10 12
-10- 1 0
"S E
-5-
io 10-510F7
1-6 0-
1 4- 10 4 001'
w 0 _ _ _ _ _ _ -= 1011011 11fil
STRESS RATIO =STRESS RATIO= 100
10. 10.1
io-3 - io73____
10,2 12
~ io~- 10' 1010U f
64 z
10 3 1010. 10
10 L.LL10IJ-a -4
10' 1--
166 (S Fgr 8. 1366 K(S '~
a1o7
"SF 8.9-199
1
SF
'S'S* - ~ - - - - - - - - - - - - ~ - ' -.1. .7 6'S ' ~ 9 ' ~ % * S,*i *
5' ~ - . . % - % * - ~ . . - - - * * I.1*- 6
1611F~~~ ~~~ ~ I. 1 11 1111811kl
Downloaded from http://www.everyspec.com
-1 ' v.i- WTI -w WJ .. W.
S...
"-(ABLE 8.9.3.62
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.62 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075
CONDITION: T73511ENVIRONMENT: R T ,S. T W
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
R=+0.30 R=+0. 50
A: 5. 15 1.73DELTA K B: 2.33 .133MIN C:
D:
2.50 : .204
3.00 . .5293.50 • 1.064.00 : 1.885.60 5.246.0 : 6. 72 11. 7 -"
7.00 : 13.9 16.7
. 8.00 " 18.7 19.59.00 : 21.2 22.410.00 : 23.3 28.0
13.00 : 45.4
A: 13. 15 " 48.0DELTA K B: 10.49 : 32.6
MAX C:"D:
ROOT MEAN SGUARE 13. 64 16. 50,, PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0
'. -(NP/NA) "2, 0
-,8 9 2
8. 9-200
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 LUFORM: EXTRUSION YIELD STRENGTH: 658.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION: L-T SPECIMEN THK: 1. 000"FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 7. 400" 7075ENVIRONMENT: R. T. . S. T. W. REFERENCESS8579
&K (MPA v') AK (MPA Vm)4 10 40 100 4 10 40 100
* 11 ,111 1 1 1 t1 ,1 1 1 1 1 1 1 1 -
STRESS RATIO 0. 30 10o STRESS RATIO = .0. 5o
162-io
10162
.- '0- 10-2 101
110- 0 10-
13 E0 - 10
"6 10.5 10-5 Z
1 4-10 400 .4 W400
-2 _:__.,_ ___.6 ___ _ _-__ _ - 1O6_• .- 10.1 10.1
,10 - 101
i 10F 10. 10
46 6
•10 10- I , I I II , I I 1 -1 4 10 40 100 1 4 10 40 100
" STRESS RATIO =o 10 @ STRESS RATIO = 0oo
10.1 10-1
-2 -2
CU
10 1063 10 E
V ;a 1o5161010 144 >0 "
4 10 40-10 114. 10 4010 .410005- .. 0-6--11-"
' 10- -- 10 4' 0 10" 4-- 0 0
.. ... .. .. .. .. .. .. .. .--
[ * , *. *.* * . .,
,"- AK (KSlI V IM') AK (KSI V r')
", Figure 8.93.62
I.( .8.9-201
Downloaded from http://www.everyspec.com
.
TABLE 8.9.3.63
FATIGUE CRACK PROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA A-SSOCIATED WITH FIGURE 8.9.3.63INDICATING EFFECT
OF ENVIRONMEN1
MATERIAL.: ALUMINUM 7075CONDITION: T73511
DFILTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/-)
A B C D
E= R. 'I.L. H. A.
A: 6.38 .720DELTA K B:
MIN C:D:
7.00 : 2. 088.00 : 3. 989.00 : 5.2810.00 • 7.0813.00 . 14.816.00 : 24.420. 00 : 42. 325.00 : 81.830.00 : 163.
A: 33.38 : 267.DELTA K B:
MAX C:
D:
ROOT MEAN SQUARE 11.65PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0 1(NP/NA) >2.0
8. .9-'0
~8.9-202
•'.'"
Downloaded from http://www.everyspec.com
CONDITION/HT: T7951 1 IIFORM: EXTRUSION YIELD STRENGTH: 88.a KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION' L-T SPECIMEN THK: 0.250- 0.500"STRESS RATIO: .0.08 SPECIMEN WIDTH: 7. 400" 7075
" FREQUENCY: 8. 0 HZ REFERENCES:98579
AK (MPA Vrm) AK (MPA N/AM)4 10 40 100 4 10 40 100::::: I ' I"'" I' 'I ' ' I
ENVIRONMENT: R. - EN "1.NT:
10 2 10 2
10 "1 10 "1103 Z
10-2 10. 2
- 1,4 1 4 10"1 - ." '3 E
10E0 10"5 10- -
1 10 4 104 -m
106 106
10s 10 o:-''v "10 7 10.F7
106 1 - 6
10 -8 I , I 1,1 I W1 , 10lo ,.1..L...,I -
1 4 10 40 100 1 4 10 40 100
© ENVIRONMENT: 10 o ENVIRONMENT: 10o10 ___ _ _ _ _ _ _ _ _ 1-2 ___ ____
-62 Z_______ _______ 102010 " 10 - 1
1103 10-3
3: .-___lO . 3_____lO-3 E.1005 - 1 -
1 6 -
S _100 -10z E
1,. 7_5- 10-5 Z-p-4
-10 100
101
10- 1-
1 4 10 40.100.1 4.14 0j0 001 10 40 100
AK (KSI V/7n) AK (KSI v'Trn)V1 "' Figure 8.9.3.63
' 8.9-203
7, ", **. . -
Downloaded from http://www.everyspec.com
TABLE 8.9.3.64
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WIT4 FIGURE 8.9.3.64INDICATING EFFECT
OF ENVIRONMENT
MATER iAL: ALUMINUM 7075CONDITION: T73511
*------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN*-A 1/2)
A B C D
E= R.T. F.=+ 265F E= R.T. E= R.TL.. H A. , IHZ L.H.A. , 6HZ S.T.W. , 1HZ S. C. S. - 1HZ
A: 3. 62 .194
DELTA K B: 3.33 .400M I N C : 3.26 .229
D: 6.23 2.69
3.50 .305 .2324.00 .275 .787 .3105.00 .739 1.75 .8516.00 1.56 2.66 2.417.00 2.65 4.00 5. 54 3.72
, 8.00 3.98 5. 41 10.1 5.319.00 5.52 6.71 14.9 7.2110.00 7.27 8.31 18.8 9.4313.00 14.4 18.216.00 : 27.2 30.6
A: 16.26 : 28.eDELTA K B: 11.28 : 11.7
MAX C: 12.95 : 35.3D: 17.44 : 38. 2
ROOT MEAN SQUARE 7. 28 5. 00 22. 39 4. 61PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1 1 1 1SUMMARY 1.25-2.0(NP/NA) >2.0
8.9-204
Downloaded from http://www.everyspec.com
.* - * S ... . . .- . ..* ,- .. . . ., - -- ,
h#i = " - - . . - . - ' .. .. .S.. . . z . , . - i . . . .
CONDITION/HT: T73511 ALUM.FORM: EXTRUSION YIELD STRENGTH: 88.0 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION L-T SPECIMEN THK: 1. 000"
- .- STRESS RATIO: 0.0 8 SPECIMEN WIDTH: 7. 400"S.. C" FREQUENCY: REFERENCES:88579
AK (MPA %/M) &K (MPA /)4 10 40 100 4 10 40 100
ENVIRONMENT- R1 .100 ENVI ONMENT:.* 205 F.L.H.A.. 1HZ L.H.A.. 5HZ
% 101110 I 10
10 10-
10,0-2-
-4 4
,0. 10 10.3 E
zi 10E-1.5 -
w 4. lO- -I-1 00" i
S106 - 10" --
10.6 10
40 10 0 40 10
ENVIRONMEN- . 0 . 10 @ 'NI e E T R.T. 10
1- 2 1 -2 . -
S101 10
o3
- 10.3
10. 10-2
S . 10. 3 1-3E
_010- E
10 " 1
10- 4 10.7 -- j
-- 10.6 1 O6
I- I I I I l I I I I I I I1 -
1 4 10 40 10 10 0
A K (KSI /7 n) A K (K SI 7n)
~Figure 8.9.3.64
8.9-205
10'1o
1"~ " . " " " . "" • " io"" " ", "•"% ,, . % ' . % -",
Downloaded from http://www.everyspec.com
TABLE 8.9.3.65
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
D/TA ASSOCIATED WITH FIGURE 8.9.3.65INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: T73511
',, ~DELTA K DA/DN (I0**-6 IN. /CYCLE)"V (KSI*IN**1/2)
::A B C D
E= R. T. E= R. T.L.H.A S.T.W
A: 6.27 1.64DELTA K B: 4.36 .382
MIN C:D:
5.00 .5476.00 1. 197.00 2.06 2.708.00 3.21 5.839.00 4.76 11.410.00 6.61 20.113.00 15.916. 00 32. 1
A: 18.23 43.3DELTA K B: 10.65 27.4
MAX C:D:
ROOT MEAN SQUARE 5. 25 7. 41
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0 1(NP/NA) >2. 0
8,. 20
~8. 9-206
4.4$
Downloaded from http://www.everyspec.com
- .,., .: . % - .p. -.. y * * *. . .*'. 1 -. o= t V J , ; ' ' v *
-. . . . .. .. . . -"" " " - 'i
CONDITION/HT: T73511I ALUM.FORM: EXTRUSION YIELD STRENGTH: 85. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77.0 KSIORIENTATION- L-T SPECIMEN THK: 0. 990- 1. 000"STRESS RATIO: -8. 08 SPECIMEN WIDTH: 7. 400" 7075
-.-. FREQUENCY: IL 10 HZ REFERENCES:88579
AK (MPA Vm) AK (MPA V h)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 4.0. 100) ENVIEOMNT: R.T..L. . A. S. T. W.
10-2 10.2
10 10-1 1010 - 1
10.3 10"o3
- 10.2 10-210.' 10;
cc -4 -- 4 .
10. - 10
4 .m
%.. - 10
.
107
-= l . -6 lO-6______
.*, 10 710-
7|[ 1 I o5 1 1
1010 40 100 10
/-.-N = i I ,I 1 ,1 1 1 ,1 , , _11 1 1 -1, 11 1 f F1 1ENVIRONMENT: 10 o ENVIRONMENT: 10oo
11 2 1
10 1 10 -1TTI0T- _I o ' 'II103'II'
--
.,,,u-2_____ -2
101 10
C 4_ _..-- 10 -
S 10 10-3 E
___ ! __ _ I 0- _ ___10"_
105
.10
-1- - U6
--"," 10_6_ __ _ _ __ _ _ _
... 10 1 06
iQI 10-e L I LL1,,1 iL ±. 1,1LI1. - 10 1, 1, i il ,
1 4 10 40 100 1 4 10 40 100AK (KSI %T/n) AK (KSI V/Tn)
Figure 8.9.3.65
8.9-207.\ ..
Downloaded from http://www.everyspec.com
TABLE 8.9.3.66
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.66 INDICATING EFFECT, '..OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T73511
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R T. E= R.T. E= R.T.L. H A. S.C. S. S.T. W.6HZ 6HZ 1HZ
A: 4.29 .278DELTA K B: 5.40 2.07MIN C: 6.24 3.73~D:
5.00 .6306.00 1.22 2.807.00 1.95 4.19 6.748.00 2.87 5.76 11.39.00 4.02 7.52 16.010.00 5.45 9.50 20.513.00 12.2 17.4 34.616.00 : 25.5 30.1 58.220.00 : 65.925.00 251.
A: 26. 97 • 463.
DELTA K B: 17.13 36.8
MAX C: 18.79 105.D:
ROOT MEAN SQUARE 13. 93 4. 22 24. 99PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0.8 1
RATIO 0.8-1.25 2SUMMARY 1.25-2.0 1(NP/NA) >2' 0
8.9-208
Downloaded from http://www.everyspec.com
CONDITION/HT: T73511 ALUM.FORM: EXTRUSION YIELD STRENGTH: 61. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 72. 0 KSIORIENTATION- T-L SPECIMEN THK: 0. 480- 1. 000"STRESS RATIO: -0. 08 SPECIMEN WIDTH: 6. 000- 7. 400" 7075
- FREQUENCY: REFERENCES:88579
AK (MPA V/-) AK (MPA .)4 10 40 100 4 10 40 100
ENVIRONMENT: R. .. 100 ENVI ONMENT R. T..L. H. A. 1S. C. S.
1-2 6HZ 10- ---------- -010 1 010 - 1
10.3 103
-2 10-2_101"1" 0. 10 - 0 2
10 10 E
V. 105 _--1" 0r 10 Z.v16 - 10. -i1 o5
107_ -7i6
10 - 10-
-- 106 10.6
10 . I , , ll- 10-8 I 10 I jjJI I I,
1 4 10 40 100 - 4 10 40 100
_.NMENT: 10o ENVIRONMENT: 100
lO-2 1HZ 10-2
10 -1 10 "1
-oF 10. 1 o0102-21 0 10 - 2
Z - 105 - E
-'o 107, 10 zI10-4 -D 10 10
-d6 - IO_______-6
110 10.
-O7 67S- 010- 6
1 1 101.-
1 4 10 40 100 1 4 10 40 100
AK (KSI VAT F.K (KSI v/Tn), _, Figure 8.9.3.66
8.9-209
............................
Downloaded from http://www.everyspec.com
* . - ;w
TABLE 8.9.3.67
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.67 INDICATING EFFECT
OF ENVIRONMENT----------------------------------------------------------------------------------------
MATERIAL: ALUM3NUM 7075CONDITION: T735i1-HIGH PURITY-------------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**/2)A B C D
S E = R. T.LAB AIR
A 6. 03 270DELTA K B:
MIN C.D:
S7.00 1. 18
8.00 2. 639.00 4.3610.00 6.3913.00 12.9
16.00 18.420.00 31.3
A: 20.26 " 32.8DELTA K B:
MAX C:D:
------------------------------------------------------------------------------------------------------------------------
ROOT MEAN SQUARE 29. 46PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0-8RATIO 0. 8-1. 25SUMMARY 1.25-2. 0(NP/NA) >2. 0
.2
" ' 8. 9-2 10
:,;:,~~~~~~~~~.. . i............. . .-. .... ... . :.. -........-............. :.. -.....-............:........ .. , -
Downloaded from http://www.everyspec.com
CONDITION/HT: T73511-HIGH PURITY ALUM. IFORM: 1.50"TH EXTRUSION YIELD STRENGTH: 8. 0 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 77. 7 KSIORIENTATION- L-T SPECIMEN THK: 0. 25"STRESS RATIO: .0. 10 SPECIMEN WIDTH: 2. 550" 7075FREQUENCY: 30. 00 HZ REFERENCES: WA001
&K (MPA V/ ) &K (MPA V/-m)4 10 40 100 4 10 40 100
ENVIRONMENT: R. . 10o %) ENVI ONMENT: -1LAB AIR
10 10-2
10"1 10"1
13 -- 10-
1102 1
-144 ________
- - - 13 - -_13 Ez 10--
1- , _0- z 0 4 _ .
11 6
!V6 -6 1. -________
10 - 10-
1 _ 0 10-6
,-10 8 1 1 , J I I I JI 1 - ~ 1 E VI RO N M ENT:l I 1~J, -
• -1 4 10 40 100 4 10 40 100
ENVIRONMENT: 10o ENVIRONMENT: 10oS"-2 _ _ _ _ _ _ _ _ _ _ _ _ _-
102 10 2
-101 10 !
10. 3 - - 10F3 - 2
10 10-
4 14 0 -,
c -31 101
z E
Z ---- 10. _ -_ z10 1--
-6j -- 1 . -
, 10- 10 -
1 or 1 F,
-10-6 1-i10 l - 108 1 J I J j j l
" 1 4 10 40 100 1 4 10 40 100A K (KSI 7/) Figure 8.9.3.67 AK (KSI /n)
8.9-211
Downloaded from http://www.everyspec.com
.1,1
TABLE 8.9.3.68
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.68 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T73511-HIGH PURITY
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E- R. FLAB AIR
A: 5. 92 .673DELTA K B:MIN C:
D:
6.00 .7217.00 " 1.468.00 " 2.409.00: 3.4710.00 " 4.6613.00 : 9.08 16.00 : 16.220.00 : 36.1
A: 20.01 : 36.2DELTA K 3:
MAX C:D:
ROOT MEAN SQUARE 10. 36PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25SUMMARY 1.25-2.0(NP/NA) :1-2 0
8.921
4 8. 9-212I,
£.;-, . -, ,,-,w .',.' *',. 2-,, .-" . . . - - p' . *p . . •.. . . . . . . . .... . .. ... . . r , . -, . ,. , . , . . . .. . .. . . . . . . . . . . .,...,... .'..... .,........5.. .. ,.. " - .;.'. ,,..-...
Downloaded from http://www.everyspec.com
.P.
CONDITION/HT: T73511-HIGH PURITY ALUM.FORM: 1.50"TH EXTRUSION YIELD STRENGTH: 83. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 73. 1 KSIORIENTATION- T-L SPECIMEN THK: 0. 625"STRESS RATIO: -0. 10 SPECIMEN WIDTH: 2.550" 7075
, FREQUENCY: 30. 00 HZ REFERENCES:WA001
%I
AK (MPA -%/m) AK (MPA V')
4 10 40 100 4 10 40 100
ENVIRONMENT. 40 l0 ER.V1O10ENT0
-O 2 __________ _______ __102 10 -
10.1 10
11-2 1103110 -2
-66
Zc1-5- - 3 10- E
10 .5 z710 10.
1 0 - 6 _- 4 - 4
-- -710 F 10
10-6 10.6
~107 8 I ,I JI I I I I I - 107a I ,II I I ,t , l -14 10 40 100 14 10 40 100
ENVIRONMENT: 10 @ ENVIRONMENT: 100
1100 10-
10 3 _0_ 103 --
1-4 _ ___ __ __10-4
__ ___ __
10"3 10-Z 10. - -- 1. 10o5 -2_ 104 106
~16 - 10 --
- -0-3 -3 E
1 10 10-1
-- - 10 -0
'DUU
10 - 101o 10o5
10 10710.
1010-6
1 4 10 40 100 4 10 40 100-. ZAK (KSI vr) A K (KSI VIM
Figure 8.9.3.68
8.9-213l~ll ,,
V'.4- -
* -4l~ %I %iiI!I t-- i %I .IiI . . i % " 1% I .% * I I .I " I
" ,I . I .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.69
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.69 INDICATING EFFECT
OF ENVIRONMENT-,--.---------------------------------------------------------------
* MATERIAL: ALUMINUM 7075CONDITION: T73511-LOW PURITY
*---------------------------------------------------------------
DELTA K .DA/DN (10**-6 IN. /CVCLE)(KSI*IN**1/2)
A B C D
En R. 1. E= R.T.LAB AIR H.H.A.
A: 5.q~7 : 1.24DELTA K B: 5.93 :1.33MIN C:
6.00 : 1.26 1.437.00 : 2.65 3.378.00 : 4.39 6. 109.00 : 6.30 9.3110.00 6.26 12.713.00 : 13.8 22.616.00 : 18.9 31.4
A: 18.14 : 22.7DELTA K B: 17.59 :36.0
MAX c:
ROOT MEAN SQUARE 9. 34 3. 20PERCENT ERROR
LIFE 0. 0-0. 5
PREDICTION 0. 5-0.86RATIO 0.6-1.25
A, SUMMARY 1.25-2.0(NP/NA) >2.0
8.9-214
Downloaded from http://www.everyspec.com
- CONDITION/HT: T7951 1-LOW PURITY AU.I.1 FORM: 1.50'TH EXTRUSION YIELD STRENGTH: 85.3 KSIALO
SPECIMEN TYPE: CT ULT. STRENGTH: 73. 9 KSIORIENTATION- L-T SPECIMEN THK. &.825"STRESS RATIO: 4-6L 10 SPECIMEN WIDTH. 2.550' 97
'~~.~.FREQUENCY: 30.09 HZ REFERENCES:WA0U 107
&K (MPA ~/)AK (MPA VAmh
4 10 40 100 4 10 40 100
-ENVIRONMENT: R 10011 IOIMIIT: R. T..LAB AIR H. H. A.
100 - 10
10 10,2
16_______ _________
4 __________
o l O - 0 1 0 -3
0, 10
10 10- z
io74 10
7 1010
T1076 1 .
1 0 4 0 4 10 40 100
ENVIRONMENT:10 @ EVRNNT 0
10 - 010
10.1 10.1
10-3 103
10-2)10 0
~1 101107 16 o'
106 0
p.--
16 10 -7 ______
107L8 LA~ .LLL~ 1o 1....L.LJJ 40i1001 4 10 40 100 1 4 10 4 0
AK (KSI VIM Figure 8.9.3.69 AK (KSI Vin)
K 8. 9-215
Downloaded from http://www.everyspec.com
. ., ... ... ... ..
TABLE 8.9.3.70
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.70INDICATINg EFFECT
OF ENVIRONMENI
MATERIAL: ALUMINUM 7075CONDITION T73511-LOW PURITY
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T.:LAB AIR
A: 6.02 1. 96DELTA K B:
MIN C:D:
qo.
7.00 : 3.528.00: 5.139.00 : 6.76
10.00 : 8.5613.00 : 18.4 Via
*6
A: 15.36 : 40.3" DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 7. 49PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA') >2. 0
8.9...
,
~8. 9-216
"1%. -'- . ' . . . .. ." . - -' . v . ' ." . - .-, , v '' - -' . , - - -' ' ' . .... / |!5% . LT ,r , _ e _
Downloaded from http://www.everyspec.com
CONDITION/HT: T73511-LOW PURITY ALUM.FORM: 1. 513"TH EXTRUSION YIELD STRENGTH: M 9 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70.2 KSIORIENTATION- T-L SPECIMEN THK: 0. 825"STRESS RATIO: 9. 10 SPECIMEN WIDTH: 2. 550" 775FREQUENCY: 30 00 HZ REFERENCES:WA001
AK (MPA V/) AK (MPA -/M)
4 10 40 100 4 10 40 100
ENVIRONMENT: R. 100 ® ENVIRONMENT:
162 LAB AIR
101 10 1
1 - 10.2 i - 10. 2
4 -4-1 0 10
= E1Z . 10 -5
c 0-3 0-3*104 10-4 Z
.- 10 10010.,- --- 6" _ 0
.10 7 __60 7 -10 - 10- 10 .
- 11-5 _ 1 6
1 4 10 40 100 4 10 40 100
tS = ' ' I 111111I 1' 1 1111111 I I T 1 v9 9 9 -
W ENVIRONMENT: 10 o ENVIRONMENT: 100
,1 2 1 2
10-1 -1100
"-.- ... 02i* - ________ ---'• 10 10-2 1 . 10.2
4 -
10 -3 1 E
% z 10-5
10 zlio6 - 10-5 -
10 101-1 o
-7 1071006 10 . 6
S "1 4 10 40 100 1 4 10 40 100
<AK (KSI 7n) AK (KSI v'7).f Figure 8.9.3.70
*8.9-217
Downloaded from http://www.everyspec.com
- D", . . . "4
TABLE 8.9.3.71
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.71INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T73511-MEDIUM PURITY
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T. E= R.T.. LAB AIR H.H.A.
A: 6.01 1.22DELTA K B: 6.06 " 2. 18
MIN C:.w. R D:"
7.00 2.74 4.368.00 4.52 7.43
v.9.00 6.25 11.010.00 : 7.79 14.913.00 : 11. 8 26.716.00 17.4 37.9
A: 18.26 24.8DELTA K B: 18.09 : 45.6
MAX C:D:
ROOT MEAN SQUARE 8. 82 2.65PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0. 0-0. 5
PREDICTION 0.5-0.8RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
5. 2
*8.9-218
. . . .
Downloaded from http://www.everyspec.com
CONDITIONiHT: T73511-MEDIULM PURITY ALUM.FORM: 1.5CE TH EXTRUSION YIELD STRENGTH: 08.4 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77. 0U KSI
ORIENTATION- L-T SPECIMEN THK IL. 525"STRESS RATIO: -1L. 10 SPECIMEN WIDTH: 2. 550" 775FREQUENCY: SIM 0 HZ REFERENCES: WAI077
&K (MPA v/') AK (MPA V/m)4 10 40 100 4 10 40 100
ENVIRONMENT: R 4. 10 -o ENVIRONMENT: R.T.tLAB AIR H. H. A.
10- 10
310"1 10"1
,.:- 2io- 2
_ 10 10
-- 14 - 0 " 1
c 010 - 10" E10 E
lo - 10
10 - 1010
-- 7 -7 1 "
10 106
0I O" 11 _ 6
10 .
1 4 10 40 100 1 4 1
@ ENVIRONMENT: lo @ ENVIRONMENT: 100
2 -62
10 - 10-
- 310" 10
1010 -210.
z 4 4C.
1 - 1003 -10E
.0 1 0 005 1- 4 z4 10
-4 0-0 -6o4
10' 1010
1-; K(S r) Fgr 8.93.11 o-KS5io 7 -10
10-61
*108 l abi~ I W~ I- 11 108 1~ L~ 1 l lt- I 11111 4 10 40 100 1 4 1 % 40 100
AK (KSI Fgr8.371AK (KSI V~
8.9-219
Downloaded from http://www.everyspec.com
TABLE 8.9.3.72
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS 1
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.72INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: T7352
DELTA K : DA/DN (10**-6 IN. /CYCLE)(KSI* IN**1/2)
A B C D
E-= R. T.:LAB AIR
A: 4.00 172DELTA K B:
MIN C:D:
5.00 .4746.00 1.007.00: 1.808.00 : 2.91
9.00 : 4.3910.00 : 6.2813.00 : 15. 1
16.00 : 30.320.00 : 66.2
25.00 : 154.30.00 : 325.
35.00 : 649.40.00 : 1238.50.00 : 4095.
A: 58. 14 : 10101.
DELTA K 3:MAX C:
D:
ROOT MEAN SQUARE 34. 58
PERCENT ERROR-----------------------------------------------------------------------------------------
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.9-22
4 ~8. 9-220
-..
.4._%4 % " "o ". "I . " " ", 4 - = . . • m" "" . . . . . . " " . . . .. . .
Downloaded from http://www.everyspec.com
. . J . . ., ', ',| .. . . - "---"-P- " " - . -' ". .
CONDITION/HT: T7352 ALUM.FORM: 2. 20"TH PLATE YIELD STRENGTH: 55. 0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 66. 0 KSIORIENTATION- T-L SPECIMEN THK: 0. 156"STRESS RATIO: -0. 02 SPECIMEN WIDTH: 7075
* FREQUENCY: REFERENCES:MAO 12
A K (MPA &) AK (MPA %/-)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 10 0 ENVI ONMENT:LAB AIR
1-2 62
*10 10 -
10.12 10.14/
"z% - _l 10 " - 10-E1 -10
. _10;
:2' ._- io 3 E
4,..-1 _l__ _ _ _ _ -
10 101061 1
1100110.6 10"6
1010 1 44110440
-. ' -ENVIRONMENT: - 100o ENVIRONMENT: 100o
-2 -2__ _IO ____ __ _ _ _ _ _ _
1_ 10100
.. , 110 10 3
... - _ 1 "
z 10
'-. - 10.2 o 2
:" 104 10.4 -- >* ,. - - _
1-- 10
-
--. 10 . 10
610 10106
1f8 1 till;''.10- -- 10- _
-_-° 10 o -,
. 4 10 40 100 1 4 10 40 100&K (KSI V'/n) &K (KSI vl'n)
Figure 8.9.3.72
8.9-221
'.; .-'.''. . "" ."'-- . ". .'.-..''.:-.' ,.'.. '-';'- -",..'., ., 'x" ," ' ;- ,.,. , -'.. : .', r, .,.7
Downloaded from http://www.everyspec.com
TABLE 8.9.3.73
PATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.73INDICATING EFFECT
OF ENVIRONMENT
MATERIAL- ALUMINUM 7075* CONDITION: T7352
* DELTA K .DA/DN (1O**-6 IN. /CYCLE)* (KSI*IN**1/C")
A B C D
F- R .LAD AIR
A. .99 .42DELTA K B.
MIN C:
.JpD:
4.00 4355.00 1.086.00 2.11 -
7.00 3.538 .00 5.309.00 7.4810.00 10.213.00 : 23.716.00 72.8
A: 18.35 345.DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 133. 08PERCENT ERROR
LIFE 0. 0-0. 5C PREDICTION 0. 5-0. 8
RATIO 0.8-1 25SUMMARY 1.2b-2 0(NP/NA) >20
8.9-222
Downloaded from http://www.everyspec.com
• ..
CONDITION/HT: T7352 ALUM.FORM: 2.20"TH PLATE YIELD STRENGTH: 55.0 KSI ALLOYSPECIMEN TYPE: WOL ULT. STRENGTH: 8. 0 KSIORIENTATION T-L SPECIMEN THK: 1. 250"STRESS RATIO: 0. 02 SPECIMEN WIDTH:7075FREQUENCY. REFERENCES:MAO 12
AK (MPA N/m) &K (MPA v,/-)4 10 40 100 4* 10 40 100
ENVIRONMENT: R. . 100 ENVIFONMENT:LAB AIR
10 -- 10 - - 1
10- 10
10 -10--
C3 10.2 102
lO s - 10 . 5 - Z4 lo'310 30E
z-- 10 1_0 -5 0.
-7 -- 10.L -
1 0 10-4
-6 -- _ _ _ _ _ _ _ _1 0 . 6__ _ _ _ _
100 0 0 1-5
10 10. 5
10
1 -2 10 -11 10 -1
1013 03
_ _ __"10 . 1 40
ENV RO ME T:10 10 EN IR N EN :Z0
100. -
- - _ ___ ___i0-
___
10- -7 103 E
010.1 11o37 -- 1i7o
U 4 4
-- - 10 10
0.s "- - - 310ILJ 10-5
7 75
I1o , I ll If l - 10. I- ~ l I ,ll l -'
-6_ -6* 10 -11
1007 10
110 40 100 1 4 10 40 100AK (KSI VTi) AK (KSI v'n)
Figure 8.9.3.73
8.9-223
..........................................................
Downloaded from http://www.everyspec.com
TABLE 8.9.3.74IFATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
2-.- DATA ASSOCIATED WITH FIGURE8.9.3.74 TNDTCATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: T735,-:
DEL-TA K DA/DN (1O**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
E= R 1.LAD AIR
A: 11. 52 9 50DELTA K B:
MIN C:
13.00 13.616. 00 19. 9
* 20.00 . 32.525.00 : 91.630.00 : 223.
A: 32. 74 : 573.* DELTA KB:
MAX C:D:
- - - - - - - - - - - - - - - - - - - - - - - - - - --.- - - - - - - - - - - -
ROOT MEAN SQUARE 19.98PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.6
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2 0
8.9-224
Downloaded from http://www.everyspec.com
-4 w,- W. 0% W- W. %5 _.i*- - - -
CONDITION/HT: T7352 ALUM.]FORM: 2. 35"TH BILLET YIELD STRENGTH: 54. 5 KSIALOSPECIMEN TYPE: WOL ULT. STRENGTH: 65. 5 KSIORIENTATION- L-T SPECIMEN THK. 1. 250"STRESS RATIO: -0. 02 SPECIMEN WIDTH: 5. 000" 77FREQUENCY: 1. 00- 30. 00 HZ REFERENCES:MA01 1 77
AK (MPA v')AK (MPA v~4 10 40 100 4 10 40 100
-/ ENVIRONMENT: R. 4..1 10 \- ENVI O ONMENT:LAB AIR 1
10 101
103 1o3
10. 10' Z
ENVROMET:100 NIONET 10-30
10 10210-10
10.1 1o
0
10~ -6 10~ -6
1U 4 0 4 0 0 4 0
V 100 10~
10210o- 10-s
i-2 -210106 106
10 4 10 4E0 0 4 0AK (SI vTh A (KS V10
Figue 8..3.E
z8.9-22
10 10 * .
Downloaded from http://www.everyspec.com
01W "
TAB3LE 8.9.3.75
* FArIGUE CRACK (-'ROWTH RATES AT DEFINED LEV.ELSOF STRFSS INTEI-fITY FACTOR
DAT ASOCIA-TEDI- WITH FIGURE 8.9.3.75 INDICATING EFFECT
OF ENVIRONMLUN1
* MATERIAL: Al UM]NU 'M 71075CONDITION: T7,152
DELTA K DA/DN d10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B3 C D
E= R.. . H. A.
A: 5i3DELTA K B:
MIN C.
6.00 1. 02''7.00 2.30
83. 00 3. 86'.9.00 5.87
10.00 8.4913.00 1s. 716. 00 27. 1
A: 17.25 28.6DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 15.31PERCENT ERROR
LIFE 0. 0-0. 5\, PREDICTION 0. 5-0. 8 1
* . RATIO0 0.8-1.25SUMMARY 1. 25-2 0iNP/NA) >0
8.9-226
Downloaded from http://www.everyspec.com
.4.7
CONDITION/HT: T7352 ALUM~TFORM:FORGING YIELD STRENGTH: 67.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 75. 0 KSIORIENTATION- L-T SPECIMEN THK: 0. 500"STRESS RATIO: -00. 08 SPECIMEN WIDTH: S. 000"77
%..FREQUENCY: 6. 00 HZ REFERENCES:88579
,&K (MPA %v'F) AK (MPA V/7)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 4.1 100 E NVI O8NMIE"NT:L. H. A.
100- 10-
10 10'
10
1 02 I2
10 U
10 10 - u
zz1U 440 4 0 0 4 0
If 111 0- 0
10 101
10 10 0-
-c 106 -3 - E0
10 10
10 11516
io 1o- 107
16 1166-10 10
101 6~~
10 10'C
4 1040 10 14 1 4 0AK~~~~~~ (KIv'n K(
-7r 8..3 7
10 -____ __._ -2 1
Downloaded from http://www.everyspec.com
TABLE 8.9.3.76
FA_*TIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.76 INDIC'ATING EFFECT
OF ENVIRONMENT-------------- - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MATERIAL. ALUMINUM 7075CONDITION: T7352
DELTA K DA/DN (1O**-6 IN./CYCLE)(KSININ**1/2)
A 1B C D
E= R.LAB AIR
A: 4.10 .c99DELTA K B.MIN C:
* .5.00 1.86
6.00 3.237.00 5.088.00 7. 509.00: 10610.00 14. 4
*13.00 31.416.00 . 60.120.00 126.25.00 281.
*A: 26.36 345.- DELTA K B:
MAX C:
ROOT MEAN SQUARE 16. 34PERCENT ERROR
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
.5.LIFE 0.0-0. 5PREDICTION 0.5-0 8
-RATIO 0.8-1 25SUMMARY 1. 25-2,0
(NP/NA) >2 0
8. 9-228
Downloaded from http://www.everyspec.com
CONDITION/HT: T7352FORM: FORGING YIELD STRENGTH: 57.0 KSIALOSPECIMEN TYPE: CCP ULT. STRENGTH: 70. 0 KSIORIENTATION- T-L SPECIMEN THK: 0. 149"STRESS RATIO: -0. 02 SPECIMEN WIDTH:
% ~ FREQUENCY: REFER ENCES:MAO 12 7075
AK (MPA V/m) &K (MPA --,-m4 10 40 100 4' 10 40 100
% ~ '' ENVIRONMENT: R. k..l 10-~ E NVI ONMENT:2LAB AIRZ16
100 1621
10.1 10.1
io 3 ' -3 1E. 1.
10 10 Eo
10-_ __ 1 io5
10
10 .5 105
10-6 10.-6
4 1 40 100 1 4 10 40 100~~~~~~I 1 1 11 1 1 - I 11 11 1' ' 1 TI I'I'© ENVIRONMENT: =100 @ ENVIRONMENT: 100
1-2 Z 162
101 0-
10.1 10.1
10' 10-2
16 1610
10S 10 108 40- 10
1 410 40 1 4 1
e *:. A K (K SI -on) AK (KSI N/_n
Figure 8.9.3.76
8.9-229
S,. . . . -
Downloaded from http://www.everyspec.com
TABLE 8.9.3.77
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.77 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T7352
. DELTA K DA/DN (10**- IN. /CYCLE)(KS1*IN**1/2)
A 13 C D
E= R. T.LAB AIR
DEA A: 19 98 27.2DELTA K B:
MIN C:D:
20.00 27.525. 00 77. 4
A: 29.54 509.DELTA K B:MAX C:
D:
ROOT MEAN SQUARE 32. 60PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2. 0(NP/NA) >2. 0
8..9-
..7..'.' -
4;.:,
Downloaded from http://www.everyspec.com
CONDITION/HT: T7352 iiTFORM:FORGING YIELD STRENGTH: 57. 0 KSI ALYISPECIMEN TYPE: WOL ULT. STRENGTH: 70. 0 KSIORIENTATION- T-L. SPECIMEN THK: 1. 250"STRESS RATIO: *0. 02 SPECIMEN WIDTH:
KFREQUENCY: REFERENCES:MA012 77
&K (MPA yVW) &K (MPA yin)4 10 40 100 4' 10 40 100
ENVIRONMENT: R .100EV NNTLAS AIR
162 162
_10-1 10.
-3 -3io-2 -2_
10-10 10
10 E
7 lo 10,-4 410 10' c
i6166
5 -5
1 6 1.
8 1 1 1 1 01 -8 1 1 1 11 1 1 [ f ll l
-*1 4 101010 4 10 40 100I ' I II' I I' ''!I I' I P ill I I 1 I 11,11© ENVIRONMENT: 100 @ ENVIRONMENT: 100
1-2 162______
________
10 1 -
* . 10.1 102
- 10'
U L
-33Ec10-710 Ez
10*4 4 10 i0
10 10 107
10o5 105
-7 -7
10 - 110-6 1 06
1 4 10 40 100 1 4 10 40 100AK (KSI v"/n) AK (KSI (T
* Figure 8.9.3.77
4. 8.9-231
L
Downloaded from http://www.everyspec.com
-P ..7. p: F
TABLE 8.9.3.78
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAFA ASSOCIATED WITH FIGURE 8.9.3.78 INDICATING EFFEC.T
OF ENVIRONMENT
MATERIAL: At.UMINj-",1 7075CONDITION: T7Pih2
DEITA K .DA/DN (IO**-6 IN./CYCLE)
*A B3 C D
E =- R. T.LAB, AIR
A: 5 32 : 1.31DELTA K B.
MIN C:
6.00 2.277.00 4.218) 00 6. 779.00 9.9210.00 . 13.6813.00 28.616.00 . 51. 1
A: 18.61 . 82.3DELTA K B:
MAX C:D:
* . ROOT MEAN SQUARE 6. 29.4 * PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5b-O.8RATIO 0.8-1 25 2
~ :.:SUMMARY 1. 25-2.0
(NP/NA) '2 0
. .. . . . . -% - -
Downloaded from http://www.everyspec.com
,. . . .. . .-i.*. . ---
- 7 7
CONDITION/HT: T7352 ALUM.FORM: 6. 00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:
* -"ORIENTATION L-T SPECIMEN THK: 0. 750"-,. :,.%-".STRESS RATIO: +0. 33 SPECIMEN WIDTH: 3. 000"4.. 7 0175
. "%" FREQUENCY: 5. 17 HZ REFERENCES:77720
AK (MPA V m) AK (MPA 'o 1-- ; 4 10 40 100 4 10 40 100
-"ENVIRONMENT: R. 0 E ENV I NMEN T:
LAB AIR
- .10"2 - 102 --
1-3 O 310
10-2 1 -20)-
164 4O~~1O
0-3-- 102316-4 10-o- lO3
-O" 1100E
-1. "0 0 40 _ - -
ENION E T 10 ENIR NM NT
62 1061~
10! -- ,o -__ __
100.
1
1 1
-7210 -0
10 10 3 E-801 0 0 4 10 40 100
14 1 - ..l l.l l 'l'l'L -
ENVIRONMENT: 100o ENVIRONMENT. " 100
-02 _ __ _ _ _ _ _ _ _ _ _ _ 102
'a, 10 1 1 101
1-103 0. _- 2
--0-)- 102
4l - C.
10 - 104 -
Z.-.lo- -10 "
1 0o8
ll. 10"5 10''
?1 4 10 40 100 1 4 10 400
&K (KSI Ar) K (KSI v/TnhV Figure 8.9.3.78
8.9-233
Downloaded from http://www.everyspec.com
TA13LE 8.9.3.79
W'ATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.79 'INDICATING EFFECT
OlF ENVIRONMENT
MATERIAL: ALUMINUMl 7077,
CONDITION- T72
*DELTA K DA/DN (10**-6 IN. /CYCLE)
-A B3 C D
E= R. T.LAB AIR
A: 5 Q7 2. P.4DELTA K B:
MIN C:
6.00 2 307.00 4.09800o 5.829.00 7.39
10.00 8.9Y31300 15. 316.00 . 31. 1
A: 16. 54 38. 2DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 11.63- PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0.5-0.8RATIO 0.8-1.25 2
e~ ..SUMMARY 1.25-2.0
*(NP/NA) >,2. 0
hell
___ 8.9-234
Downloaded from http://www.everyspec.com
CONDITION/HT: T7352 ALUM.FORM: . 00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION T-S SPECIMEN THK: 0. 740- 0. 750"
- -/ STRESS RATIO: -0. 39 SPECIMEN WIDTH: 3. 000"FREQUENCY: 5. 17 HZ REFERENCES:77720
:..., AK (MPA .vM) &'K (MPA N/' )
4 10 40 100 4' 10 40 100I I I' 1I I R . ' I I' I I
ENVIRONMENT: R.TN MT1.. 0 \.._ ENV4 NMQNT:LAB AIR 10
-2 _ -2 _-2_10 - 10
% • -2 __
10-2 10
> 4 -4"-:. . 10 4- 10 4 _-
30 3Q EZ 10. - zz 10
4.4 10-6 1 -6_ 1
. __ _ __ _ 10
. 4_
10 - 10 _• .- ,, _-- 10-5 -__1
.
-767
6 0 10-6
1 -8 LA 6-- -8
;( .. 0 11, ,T IT r IT1 r I r (5"1-) 1 I ' 111111 I ' I ,Illt 'i1 4 10 40 100 4 10 40 100
"-" ENVIRONMENT: 100 ENVIRONMENT: 10o
10 10or
10 10'10
10-2 -2
0 . 010-. '.,. -- 10 - 0 2
Z1 lO_ __ __ __ _ 10.4 _ _ z10 .5 -- 10 5 J -
-166 10
-6 --____10. 5 1-106 5
L'- . -- 10- - 6010
10.8 1 16 1008 I
1 4 10 40 100 1 4 10 40 100A ZK (KSI V/) AK (KSI v' i)
Figure 8.9.3.79
" "8.9-235
. .. . , . .. .. . . . .. ....... ........... ... .. . ..... ... ......... ,.. ... , , .,., .. , , ,' Q ,,,.,,,,. , . .: ,,-
Downloaded from http://www.everyspec.com
lABLE 8.9.3.80
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
or STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.80 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL ALUMINUM- 7075CONDITIUN: T7,352
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
Ez: R. 1. E= R. T.H. H A. 3. 5% NACL
A- 5., 2. 37DELTA K B: 5 -. 2.03
MIN C:D:
6.00 2.96 3.217.00 4 77 5.278.00 6.96 7.689.00 9. 59 10.510.00 12.8 13.913.O0 27. 8 30.716.00 58.6
A: 16. 40 64. 8DELTA K B: 15. 03 53. 2
MAX C:D:
ROOT MEAN SQUARE 8.44 11.38PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0 8
RATIO 0.8-1 25 2 4SUMMARY 1.25-2.0(NP/NA) ">2 0
8.9-236
i ~ ~i;N-'-~?.*--~.2.* . **~* .. . .*.***....~ * . -.. *. . . . ..
Downloaded from http://www.everyspec.com
CONDITION/HT: T7352 ALUM.FORM: 5. 00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION- T-S SPECIMEN THK: 0. 730- 0. 750"STRESS RATIO: -0. 33 SPECIMEN WIDTH: 3.00" 7075FREQUENCY: 5. 17 HZ REFERENCES:77720
' AK (MPA V/m) AK (MPA -%/'m)" 4 10 40 100 4 10 40 100
ENVIRONMENT: R. o00 @ ENVIRONMENT: R. T..H. H. A. 3.5% NACL-. 1 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ -O2 _ _ _ _ _ _ _ _ _ _ _ _ _
.10- 10
10"1 10"1
10.
4 4o4 1 .
16 1O6
"-._10"3 10-3 E10 Ez: -5o -10" ' z
100
S10-6 10-
10
1 :,.4 10 40 10O0 1 4 10 40 10
." -ENVIRONMENT: 10 oENVIRONMENT: 100o
I 1°6 166
'" -- 0 - 010 - 10-
1 0 ,1 0 -1 61 0 -6
-tlo3
1 4 10 40 10.2 4O2 10 2 1
>".m 10- - 03
4 -- 0
010 10- -3-3 --
10 1 E110 E
Zl l 0 _ _ _ _ _ _ , _I_ _I i_ _ _ _, - 10-8 I , Il l ~ --
4A 4V10- 10-
10 10-
lq7~ 1 5 F
10 -110
1 4 10 40 100 1 4 10 40 100&K (KSI vl) &K (KSI VT )
Fiqure 8.9.3.80
* 8.9-237
Downloaded from http://www.everyspec.com
TABLE 8.9.3.81
"R TIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAT- ASSOCIATED WITH FIGURE 8.9.3.81INDICATING EFFECT
OF ENVIRONMENT
mATERIAL ALUMINUM'll 7075CONDITION. T7352
DEI.TA K DA/DN (10**-6 IN. /CYCLE)
A B C D
E-r: R. 1.~. ~.LAB AIR~
A: 5. 6 2. 08DELTA K B:
MIN C:D:
S6.00 2.587.00 4.428 00 6. 529.00 8.8010.00 11.213.00 20.216.00 33.9
. 20.00 68. 5
A: 22. 72 114.DELTA K B:
MAX CD
ROOT MEAN SQUARE 13. 19PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0 5-0 8
RATIO 0 8-1 25 8SUMMARY 1. 25-2 0(NP/NA) :;2 0
8. - 3
8.9-238
Downloaded from http://www.everyspec.com
ALUM
CONDITION/HT: T7352 ALUM.FORM: 6. 0"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION T-L SPECIMEN THK: 0. 750- 0. 78"STRESS RATIO: 0. 33 SPECIMEN WIDTH: 3. 000"FREOULNCY: 5. 17 HZ REFERENCES:77720
AK (MPA N/m) A K (MPA /'m)4 10 40 100 4' 10 40 100
" ( ENVIRONMENT: R. .. 100 '@ ENVI ONMENT: ILAB AIR-O2 l-2 _________ _______ __
10 1 -0
10 10-.3
.3-" -- _______ _________ _ 10. 2 ________ _____10
. 2___
10- 1 0- -2
102 164
C. 0103 10- 3 E
-3 E10 5 z
S10 - 10-- -101 4 4
-- -_10. _ - 10
1005 1- - 5
10--- 1 0 . 6 10.6
108110. 8 , I ,- 10"8 1
4 10 40 100 4 10 40 100
ENVIRONMENT: 10 @ ENVIRONMENT: 100
S10- 10
-
10.1 10.1
10 -2 1-2-_ o 10;,oU U
s __ -3 10 3_10 105 -
1044
10 .7
S 1(6 .,- 0.6 -
10 .61610 10
10 - 1010
4 10 40 100 1 4 10 40 100
A "K (KSI vn) A K (KSI VTn)Figure 8.9.3.81
* 8.9-239
Downloaded from http://www.everyspec.com
TABLE 8.9.3.82
FATIGUE CRACK CROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
Dj/)rA ASSOCIATED WITH FIGURE 8.9.3.82 TNDICJITINO EFFECT
nF ENVIRONMENT
* MATERIAL: AL-UMINUM 7077,CONDITION: T73b*2
DEi TA K DA/DN (10**-6 IN. /CYCLE)
A B3 C D
F- R1.LAB AIR
A 5. 7 8,~DELTAK B
MIN C:D:
6.00 2 857,00 4.678.00 7.049.00 10 010.00 136 r
A: 10.85 17.3DELTA K B:
MAX C.P D:
ROOT MEAN SQUARE .2PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 3RATIO 0.8-1.25 1SUMMARY 1. 2 5-2 0'NP/NA) '2 0
8.9-240
*~le
Downloaded from http://www.everyspec.com
CONDITION/HT T7352 ALUM.
FORM. 8. 00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE CCP ULT. STRENGTH:ORIENTATION- S-T SPECIMEN THK: 0. 750"STRESS RATIO -0. 33 SPECIMEN WIDTH: 3. 000" 7075FREQUENCY 5. 17 HZ REFERENCES:77720
&K (MPA %,/") AK (MPA N/"i)4 10 40 100 4 10 40 100
I I R EG AENVIRONMENT: R ° E ENVONMENT:LAB AIR______ ___
102 10.
lo -1 _..10-1
10.3 ' 10.3 1
1 o3 10702 102100- 0
> 4 4-
105 10 -- E
10 010.
10 - 10-
-6 16 7
-- __--_10-__,- _ ______ __ -
S10-6 10-7.7__ __ __ __ ____
, 1 . 6 l = I , I * 1 I I , I , I, -- 1 01 1 hi I I 1 1 1 l,11 10 40 100 110 40 100
I©I@©W100 ENVIRONMENT: 100
10 .2 102
--- 10 -1 _10.1
1 OF 1-
10. - 10 -
-- 10.2 o3
i) --~ - 1026 -6S 100 103.,. -- 10.3 10-3"
l O8 -........LL.I........L~~ - 1O' - ; .±..L
"z .5 _ - 1 -4
_-51 .4
"
10-6- 4 10 4--
.'.-0 5 1 .
-- -= 10.6 - 10"-6
1 4 10 40 100 1 4 10 40 100&K (KSI v/Tn) &K (KSI \/Tn)
"- S Figure 8.9.3.82
8.9-241
• .N '
Downloaded from http://www.everyspec.com
TA13LF 8.9.3.83
- PATIQUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.83 TNDICATING EFFECT
OF ENVIRONMENT
-- MATERIAL. ALUMINuM 7075
CONDITION T752
DELTA K DA/DN (10**-6 IN. /CYCLE)
A C D
E = . 1.LAB AIR
A: 5. 82 3. 152 DELTA K B:
MIN C:, D:
6.00 3. 527.00 6. 018.00 9.339.00 13. 710.00 19. 513.00 51.316.00 130.
A: 16.82 168.DELTA K B:
MAX C:
ROOT MEAN SQUARE 19. 10PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0.5-08 2
- RATIO 0.8-1 25 2SUMMARY 1. '5-2. 0
-'.0* (NP/NA) >2.0t-.
r.
8.9-242
Downloaded from http://www.everyspec.com
CONDITION/HT: T7352 ALUM.
-. FORM: 8.00"TH FORGING YIELD STRENGTH: ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH:..... ORIENTATION- S-L SPECIMEN THK: 0. 750"
STRESS RATIO: +0. 33 SPECIMEN WIDTH: 3. 000" 7075
" :'." FREQUENCY: 5.17 HZ REFERENCES:77720
AK (MPA Vm) &K (MPA V')
4 10 40 100 4 10 40 100
ENVIRONMENT: R. 1., 00 ENVIHONMENT:LAB AIR
102-2: _ _ _ _ _ _ _ _ _ -°
..- . 102 -- 10-1
.10-3 101--'L. _$ ---- 10.2 -- 102 _
10-3 1-u3 E
1. o..: z o5 oEE10-4
10 -1106 10
16 11
.4.?,:.: 10 _
_-8 1 ,1, 168 1 , 1 1 I h I I I 1 111 1A -1 4 10 40 1001 4 10 40 100
©"-- I I'I'I'I I I I'I'I'ENVIRONMENT: 10 @ ENVIRONMENT: 10o
-2 .162
_10 "1 10-1
ZZ- . ~ -10
10-2
S1 1 u10.3 10-3 E
10 E'T~1 E016".'::: 10.5 - - 10.5 Z
",.",.. _U04 1-4
166 __166
010-5 105
',..'10-07 _10-7 -
10.6
910"eo.8 I , 1,1,, .. L .I.1,1d1, - 10"8 J , 1 ,1, 1 I ,1l 1d1 4 10 40 100 1 4 10 40 100
AK (KSI v'?n) AK (KSI v"T)*-* ***Figure
8.9.3.83
,4".
8.9-243
A" "r%
9-°.
.4 °-- - .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.84
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.84 !NDICAT!NG EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T76ENVIRONMENT: R T , L. H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R-.+O. 30
A: 4.26 .28- DELTA K B:
MIN C:D:
5.00 .7836.00 1.987.00 3.6B8.00 5.639.00 7.7510.00 10.113.00 19.7
A: 15.89 . 37.3DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 12.33PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0 8RATIO 0.8-1 25 1SUMMARY 1. 25-2. 0(NP/NA) "2 0
8.9-244
*%1
".; ) "-, -"% ,"*"., ."""... , . . --- """- """ , - ,.. - """" - '' -.- ,"-.. ..- • ...-. ,-. - '''-.,,-,-,,,-.- " ,- "'
Downloaded from http://www.everyspec.com
IF vw% Z
CNIINH:T75 ALUMLOM CONITIN/TH SHEET YIELD STRENGTH:
SPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 099"FREQUENCY: 6. 00 HZ SPECIMEN WIDTH: 23. 790" 7075ENVIRONMENT: R. T..* L. H. A. REFERENCES:86575
AK (MPA -,/-m) &K (MPA 'V/m)4 10 40 100 4 10 40 100
STRESS RATIO= +#,0. 30 10 M STRESS RATIO=
10' 10
-2210 10 Z
--64
3 E~lo 100
'a 1 -6 1 5 -
1 106
10.'
-7
16 1- OF,
10 1-
I 111111 I II 'I'IFSTRESS RATIO lo 10 STRESS RATIO~ 100
162 Z-12
10. - 10
102 102
_ 1044
c10 10- EZ
E-01650
1 4 4
.10 100-1
10 1010
16 1071
1 4 10 40 100 1 4 10 4 10AK (KSI &Ih K (KSI %/7n)
Figure 8.9.3.84
8.9-245
Downloaded from http://www.everyspec.com
....- ,-.4' ' - -" .. ' .L o.- . . - , .. ... ; : -. '. .- .. ,. ..-. '. L'o . . ' ; "-
TABLE 8.9.3.85
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.85 INDICATING EFFECT
OF ENVIRONMENT
---------------------------------------------------------------
MATERIAL: ALUMINUM 7075
CONDITION: T76
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
• A B C D
E = R.T. E- R.T. E= R.T. E= R.T.L. H. A. 1HZ L.. H. A. , 6HZ S.T.W.o 1HZ S.C.S., 1HZ
. A: 3. 71 .333DELTA K B: 3.85 : .203
MIN C:D:
4.00 : .347 .2425.00 : .567 .6156.00 ' 1.09 1.207.00 : 1.98 2.018.00 : 3. 18 3.059.00 : 4.44 4.3310.00 : 5.69 5.87
4. 13.00 : 10.1 12.316.00 19.1 22.320.00 • 43.825.00 92.7
A: 18.43 " 36.0DELTA K 3: 29.99 " 161.
MAX C:D:
ROOT MEAN SOUARE 36. 67 48. 67 0. 00 0. 00PERCENT' ERROR
----------------------------------------------------------------------------------------LIFE 0. 0-0. 5
PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1SUMMARY 1.25-2.0 1
0s. (NP/NA) >2. 0
8.9-246
II I i . . . . . . . .. . . . . . . . . . . . . ,,.. . . , : .. . . '., . .. ,,. - .. , ..4 ... .
Downloaded from http://www.everyspec.com
- w -
CONDITION/HT: T75 ALUM." FORM: 0. 10"TH SHEET YIELD STRENGTH: ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION- L-T SPECIMEN THK: 0. 098- 0. 099"STRESS RATIO: o0. 08 SPECIMEN WIDTH: 23. 800- 23. 850" 7075FREQUENCY: REFERENCES:86575
AK (MPA A/?'m) AK (MPA /m)4 10 40 100 4 10 40 100
SENVIRONMENT R. l0 ENVIRONMF.NT: R. T..L. H. A.. .t-tZ L.H.A.. 6HZ
..16 2O2 16 2
S10 10"
" -1 -3 6_103
10 . 2 10. 2
0" 101 1
, z 10'2 1 0 5 1 5
. 4 -
4
4.
olO 110 100
10. 105 5 v
M /0 -1 -0
110 6 10 6
1' 4 10 40 100 1 4 0 40 100,"T R NVo RONMENT" R. .,I @ I'IIII I '''
IONMI %I lO" o10~ 16
-2
-7 10" 7 _ ___10
"___
10 10 3 10.
10. 10.
i104 101 0 13 140 0
110
1 1 0 10"
064
166 1066
10 5
mi 10 F,
-6 -610 100-
1 08 111,11 1 t [ till 1 6 8r I I hll -
1 4 10 40 100 1 4 10 40 100• AK (KSI V'n) AK (KSI V/n).
Figure 8.9.3.85
8.9-247
.. ..6. .. . . . • % . - . % % -
Downloaded from http://www.everyspec.com
TABLE 8.9.3.86
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.86 INDICATING EFFECT
* OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T76ENVIRONMENT: R.T- L.H.A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R= 0.O 08
A: 5.80 1. 55DELTA K B:
MIN C:
6.00 1. 577.00: 2.2383.00 3.929.00 6.9510.00 : 11.213.00 23.516. 00 : 33. 520.00 56.225.00 175.
.830. 00 408.
A: 32.04 415.DELTA K U
MAX c.
ROOT MEAN SQUARE 12. 3'rPERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0 8
RATIO 0.8-1.25 1SUMMARY 1,25-2 0
*(NP/NA) '2 0
8.9-248
Downloaded from http://www.everyspec.com
° .- " "7.
CONDITION/HT: T76 ALUM.FORM: 0. 10"TH SHEET YIELD STRENGTH: 66.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 77.0 KSIORIENTATION: T-L SPECIMEN THK: 0. 099"
- FREQUENCY: 5. 00 HZ SPECIMEN WIDTH: 23. 790" 7075" ENVIRONMENT: R. T. , L. H. A. REFERENCES:86575
&K (MPA -,/m) AK (MPA V'/)4 10 40 100 4 10 40 100
STRESS RATIO = -0. 08 STRESS RATIO
,10. 101
lo~l 1071
- 2 1 " 10-
1 o 3 i 3 E
.= 1- 10. 10-
S1- 15
101
,.. .- 6 -6_ . - -__ __ __ _
10 - 101
-67 .7
10 __ __ __ __ 10- 10_ 1.
lO6 lO.
10.6 106
10"a , IJ- IL ,1L 1, - 1078 I1 Il fill, -1 4 10 40 100 1 4 10 40 100
" "' I I' I'll I I I 100 1 1 111' 1 1 0
• "-" -- STRESS RATIO - STRESS RATIO = 10
10 -- 10210.1 10 -
1-2 3 - 2
S -- -- 1 10. 2 3 E-,. -_ -- _ _ _ __ 0
-6 10. 4_ _ __ _ __ _ __ _ 10 . - 5 >
10 10 o 10 E7 10- - -- 1-5--
70 -- _,_ _10. 4 __ __ 10. 464
lo- 5 Io05
., ,10 7= 107 -, - 6 1
A-o
- .10 8 1 1 1 1 fil 1,1,1-. "-" 4 10 40 100 1 4 10 40 100
AK (KSI V7Tn) AK (KSI V/n)Figure 8.9.3.86
8.9-249
........ .....
Downloaded from http://www.everyspec.com
TABLE 8.9.3.87
FA-TIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.87INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075CONDITION: T7651ENVIRONMENr R T. ,L H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+O. 08 R=+. 30
A:DELTA K B: 3. 26 .163
MIN C:D:
3.50 1974.00 .2975.00 .6686.00 1.377.00 2.528.00 4. 149.00 6.2210.00 8.7513. 00 19. 116.00 34.2
A:DELTA K B: 17.22 41.9
MAX C:D:
ROOT MEAN SQUARE 0. 00 22. 73PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0.5-0 8
RATIO 0. 8-1 25 1SUMMARY 1.25-2 0 1(NP/NA) ""2- 0
8.9-250
-J
Downloaded from http://www.everyspec.com
; ,- . • .T _ . ,- % , . , - - .,
CONDITION/HT: T7551FORM: 2. 00"TH PLATE YIELD STRENGTH: 63. 0- 64. 7 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 74. 0- 75. 5 KSIORIENTATION: L-T SPECIMEN THK: 0. 812- 0. 992"
_ FREQUENCY: 6. 00 HZ SPECIMEN WIDTH: 6. 000- 7. 400" 7075ENVIRONMENT: R. T. L. H. A. REFERENCES:88579. 85837
&K (MPA &/m) t K (MPA -,/")4 10 40 100 4 10 40 100
STRESS RATIO =-0. 08 10 STRESS RATIO = -.- D. 301 O2 16 2
10 1010
10-- 10
11 3- - -= 1 .2 _ 102 __
102 10-A U
:1 1064- . - -3_ _ o 3 E.. . - 1o3 -- 3_ E10 10E
Z 5 - 10- z" 10 6
41 1
10.7 10-10. 0
10 10-
10-z6 106
1 8 I , I ' ... I , I , 10" 18 1
1 4 10 40 100 - 4 10 40 100
STRESS RATIO = 1 STRESS RATIO oo
102
__-10. 2
,,, - 10 "'_ 10 -1
-i03 Z 1-2-i3
'I210 10
U -4 U10 . 2
-_ _ 0 . 3 110-
1 1 o5 E.0 10 10 0 E
, o 4 0o4 Z
10 - 10.---- 1 . - _ 1
10 - 10
16 1 667
-.. ?-- 10 . ---- ._ 10.
10 1 1L, I±II±.IL, I - 168 ,,1 J , JJ Ij -1 4 10 40 100 1 4 10 40 100
.K KSI Vrin) AK (KSI V ')Figure 8.9.3.87
8.9-251
.... .. .. .-... ....... . . . . . . . . . . . . . . . .... . ..-.-. . .. ' _ . #" ; = " ' - i1" , " , i .. .. .. .. . . ... .... ...-
Downloaded from http://www.everyspec.com
TABLE 8.9.3.88
FATIGUE CRACK gROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCiATED WITH FIGURE8.9.3.88 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7075CONDITION: 17651ENVIRONMENT: R T ,S. T. W
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R" -0. 08 R=+0. 30 R=+0. 50
A: 4.54 .795
DELTA K B: 4. 41 1.49MIN C 3. 35 .745
D
3.50 .9034.00 1.525.00 1. 16 2. 17 3.046.00 2.20 3.58 4.787.00 3.55 5.32 6.728.00 5. 18 7.41 9.00
9.00 7. 12 9.88 11.810.00 9.40 12.8 15.313.00 19. 1 25.0
A: 13.60 21.7DELTA K B: 13.60: 28.2
MAX C: 11.02 • 20.0
D:
ROOT MEAN SQUARE 7. 56 8. 12 5. 93PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0 8RATIO 0.8-1. 25 1 1 1SUMMARY 1.25-2 0(NP/NA) ,2 0
P.i "12 -
S-'" .' ,..., .,...? :, .". ," " " -" " - -,- v -" - .'.? -.- . - . . . .. . .. . - . . . . ... . - . . .. - .
Downloaded from http://www.everyspec.com
CONDITION/HT. T751 ALUM.FORM 2.0"TH PLATE YIELD STRENGTH: 53.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 992- 0. 995"
-. FREQUENCY: 1. 00 HZ SPECIMEN WIDTH. 7.400 7075, ENVIRONMENT: R. T. S. T. W. REFER ENCES:85837
&K (MPA &/-) ZK (MPA -/-m)4 10 40 100 4 10 40 100
STRESS RATIO= +40. 08 -100 STRESS RATIO +0. 30-. '-._2 1 -2-10 __ _____ __ -10
10' 10-1
• -10 10-3
__-- _ - -0 10-2
11 1016ESO 10 1
io
-60 -40
.,' 1010
10 101
010,
0100
- 0 6 100
STRESS RATIO 0. 50 1 STRESS RATIO 10
1 -2 1 -210 - 10110 10
u
-" -- 2 -2I 1 1 I__,ll 0I ,l~ l I J l l
> 4 1O4
f0) 10- 1 -
So3 10
z - - 1
lo 1010 -- 10
100 1-
- s
- E -- 10 . -- -- 1 - "
7-10 10 . 1
6 -8
... ,0 106 10 6 -
10-- "L- 1 0 -_ ° -I 5
1-4 10 40 100 1 4 10 40 100
6K (KSI \/"i) 6 K (KSI /'Fiqrure 8.9.3.88
R 9.9-253
... , .'.- '.", ' . . ,, .. : . . . ; . .- - ---,- .., . ,. .,, . - - '. . v'''...-. - .- -.. - . . . - - f ." '- ' '. ,. ' .,. . . .- . .. . . . . . . . . .." , ' . ' , " " : . " , '
Downloaded from http://www.everyspec.com
TABLE 8.9.3.89
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9.3.89 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075* CONDITION. T7651
* . DELTA K .DA/DN (10**-6 IN. /CYCLE)* (KSI*IN**1/2)
A B3 C D
E= R. T. E= R. T.1- H. A. L. H. A.SP.THK. 501~ SP.THK.=.250"
A: 5.08 .362DELTA K B: 83 23 3. 19
MIN C:
D:
6.00 .4417.00 .9098.00 2.009.00 . 3.77 4.0510.00 : 5.63 5.2013.00 9.97
A: 10. 11 5. 78DELTA K B: 13.89 12. 4
MAX c:D:
ROOT MEAN SQUARE 10. 55 2. 68PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0.5-o e
RATIO 0.8-1.25 11*. SUMMARY 1. 25-2 0
(NP/NA) -2.-0
* 8.9-254
Downloaded from http://www.everyspec.com
-7 .
CONDITION/HT: T7851 ALUM.IFORM: 2. 00"TH PLATE YIELD STRENGTH: 53. 0 KSASPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSI
S-", ORIENTATION L-T SPECIMEN THK:.. ' STRESS RATIO: +40.08 SPECIMEN WIDTH: 7. 400" 7075
FREQUENCY: 6. 00 HZ REFERENCES:85837. 88579
AK (MPA V/m) AK (MPA V/"m)4 10 40 100 4 10 40 100
ENVIRNINMENT: R1.1 .'' 100 \.~ ENVIRONMeNT. R. T..LH.. L. H. A.
1-2 SP. THICK-0.501" -2 SP. THICK-0.250'10 - 10
10-1 10 -1
1 1 oF3%-2 __
"- 2 10 2
c- 10-3 10-3 EwE
-<-' O6 10 _E
• 5. 5- 1 .5 1
010 1E 10-.4
I .410' c
10 10.
7 17
1-.-:'" :6 1o 6 O o10. ... _ENVIONMENT 10 10 NIOMET 0
I06 10.6
108,',,1 10--
1 4 10 40 100 100-4 10 40 100
ENVIRONMENT: 10 100
10 - 10-10.1 10. 5
-0 -_ lO. o
02 -20110 Z4 4
.C.K(KI) -4 U(SI.
-" 10s 10- -3 E
'U 10 E
16 10 o zo74 4.
10 -110
lo-5 5
7-
16 107 1 0.
~~~~- 10810-j j ] j
14114 10 40 100 1 4 10 40 100L K (K SI 7/T) AK (KSI 7inh
Figure 8.9.3.89
io 8 8. 9-255
Downloaded from http://www.everyspec.com
TABLE 8.9.3.90
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.90 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T7651
DEILTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R. T.L. H A. S. T, W.
", A: 4. 8 . 391
" DELTA K B: 3 59 349MIN C:
40 0 4365. 00 . 385 6686.00 .933 1 777.00 2.21 3 398.00 4. 18 5. 95
s 9.00 6.78 9. 5010.00 9.90 13.913.00 21.3 27.9
16.00 34.220. 00 53. 0
A: 23.91 158.DELTA K B: 15. 70 33. 4
MAX C:D:
ROOT MEAN SQUARE 12.71 11.02PERCENT ERROR
LIFE 0. 0-0 5PREDICTION 0. 5-0. 8
RATIO 0.14-1, 25 1SUMMARY 1 25-2 0(NP/NA) >2 0
8.9-256
* .. . . . . .. : ,. . . -. . . . . . . : ,
Downloaded from http://www.everyspec.com
CONDITION/HT: T7551 ALUM.FORM: 2. 00"TH PLATE YIELD STRENGTH: 64.7 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 75. 5 KSIORIENTATION- L-T SPECIMEN THK. 0.813- 0.814"STRESS RATIO: -0. 08 SPECIMEN WIDTH: 6. 000 7075
-FREQUENCY: 1. 00 HZ REFERENCES:85837
&K (MPA V'm) &~K (MPA Vh4 10 40 100 4 10 40 100
ENVIRO'' IIPN: .14..'111 0 ~) ENVIRONMENT: R. T..L. H. A. S. T. W.
31010i10
10-2 l -2
1 012 10;L)
1 0' 3 1 0' 33E
6 lo-5 - Z
11
- 10 .' 56 10-
10-6 1061
-8
1 141040 100114111 40 100k*- ENVIRONMENT: 100 @ ENVIRONMENT:10
-d2 -d2
10 - 01010' 10.1
-2 -
10 10
1 1-44U
U 10 U103E
10E
ri 106 1166io
10 - 10
i0 5 110107 -7
100
10 10040 10 1 6 0
7- &K1 (K<SI V/n &K (KS 100 -
Fiue8939
8. -5
Downloaded from http://www.everyspec.com
TABLE 8.9.3.91
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.91 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T7651
DELTA K DA/DN (1**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R.T. E= R.T. E= R.T.L.H.A. S.C.S. S.T.W.
A: 3.94 .237DELTA K B: 3.88 .259
MIN C: 4. 54 .795D:
4.00 .262 .3165.00 .913 1.09 1.166.00 1.96 2.33 2.207.00 3.28 3.87 3.558.00 4.81 5.60 5.189.00 6.55 7.47 7.1210.00 8.57 9.51 9.4013.00 17.5 17.4 19.116.00 35.8 30.8
A: 16.45 " 40.0p' DELTA K B: 18.21 " 47.5
MAX C: 13.60 " 21.7D:
ROOT MEAN SQUARE 11.26 8.41 7.56PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.8RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0 1(NP/NA) )2 0
8.9-258
Downloaded from http://www.everyspec.com
CONDITION/HT: T7551 ALUM.CA FORM: 2. 00"TH PLATE YIELD STRENGTH: 53. 0 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION- L-T SPECIMEN THK: 0 .990- 0. 994"STRESS RATIO: -0. 08 SPECIMEN WIDTH: 7. 400" 775FREQUENCY: 1. 00 HZ REFERENCES:85837. 8579
AK (MPA /ii) AK (MPA V/'m)4 10 40 100 4 10 40 100
%'2-'. ENVIRONMENT: R. . 10 ENVI ONMENT: .
L.H.A. S. C. S.0-2 10
100
10-2 10
1004 10
. '- .B1" 100-3
,..-1.O1o10O.5
1 1661
1100 10-P. lo0 107
10-6 106
i-, 8 I oli 1" I Ill'" 1 4 10 40 100____ ___ 14 10 40_10
E""" -E- . * 10ENVIRONMENT: 101 0.- 1. . 1 _ 102
C10 167 C
, -- __3 -3o10, 10 E -
5 Ej1 -_ _-_
108 1 10l t
1. 4 10 40 1
SE N V R O N T 1 0 -0
-10
- 1
10.6 10
.....-- 10 E
= ,4 11 0 40 104 10 4 0
A LK (KSl .V/) AIK (KSI %/T )
: Figure 8.9.3.9110 -6= 6
,e % IFi 8.9-259
,. .. - . ... '..:-L.-............ ........
% % "•.--.-,-I" %- " "" % "" "" • " " " . . ."' " ' " '' ' " ' ' [ '' i:' ' _ t 'o8.9 -2.59 ' r. .'..
Downloaded from http://www.everyspec.com
TAflLF 8.9.3.92
* . FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DA-rA ASSOCIATED WITH FIGURE 8.9.3.92 INDICATING EFFE"T
OF FREQUENCY
*. MATERIAL: ALUMINUM 7075CONDITION: T7651ENVIRONMENT: + 265F,L. H. A.
DELTA K :DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2l
A 13C D
F(HZY- 1 00 F(HZ)= 6.00
A: 4,42 6889DELTA K B: 3-84 .518
4.00 .5955-00 1. 18 1.206.00 1.86 2.027.00 2.79 3.068.00 . 4.02 4.379.00 5.61 6.0010.00 . 7.61 8.0313.00 16.6 17.516.00 31.320.00 62.225.00 124.
A: 26.29 144.DELTA K B: 13.34 19.0
MAX C:
ROOT MEAN SQUARE 9. 14 6. 97PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0 8 1RATIO 0.8-1.25 1SUMMARY 1. 25-2 0(NP/NA) 22 0
8.9-260
0J.
Downloaded from http://www.everyspec.com
CONDITION/HT: T7551 ALUM.T~1 FORM: 2. 00"TH PLATE YIELD STRENGTH: 63. 0 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION: L-T SPECIMEN THK: 0. 990"STRESS RATIO: -o-. 08 SPECIMEN WIDTH: 7. 400" 77ENVIRONMENT: + 2 1550 F. L. H. A. REFERENCLS:88579 77
AK (MPA V/m) &K (MPA ~~4 10 40 100 4 10 40 100
-2 Q E CYHV 1.0 FREQUENCY (Hz) 5 .00
10- 10-
10 10' OF
12 12
u10 10 -
u1 E
~110 10-3 E.
lo1 105
10 10-
1-6 1-
14 140 101 4 10 40 100
FREQUENCY (Hz) = FRQEC (H)= 0
- 2 F R E Q U E N CY__
_ _
( Hz__
_ _ _ _ _ _ -2
10 102
10-1 0~
10-
i-2i0~
c10 102
10 10 o3 E
zz107 'o
1o5v 10 10-a
1010
10-6 1 006
ZI1 4 10 40 100 1 4 1040 100 -
Downloaded from http://www.everyspec.com
... < ,°. r .. ' . c-, • . r • ., . . , , ... ., - .t
. i W. tC., , S - '- . -.. - a S . .-. -< _.< .
TABLE 8.9.3.93
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE H.9.3.')3 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CONDITION: T7651ENVIRONMENT R. T. ,L.H.A.
-. DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
. A B C D
R.+O 08
A: 6. 1 1.49DELTA K B
MIN CD:
, 7.00 1.86.. 8.00 2.61
9.00 3.39
10.00 4.3113.00 9.8716.00 30.6
A: 17.22 : 52.9DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 13. 52PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION O. 5-0. 8RATIO 0.8-1 25 2SUMMARY 1.25-2. 0(NP/NA) >2 0
..- 2
.- ,*
Downloaded from http://www.everyspec.com
S.: .. o. - . .- . .. . _" ,. :, I - . .. -. . - . - ,-o- ,-.--.... .. . "*- :
CONDITION/HT: T7651 ALUH.9-Jl. FORM: 2. 00"TH PLATE YIELD STRENGTH: 64. 0 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION: T-L SPECIMEN THK: 0. 505- 0. 990"FREQUENCY: 6. 00 HZ SPECIMEN WIDTH: 7. 400" 7075ENVIRONMENT: R. T., L. H. A. REFERLNCES:85837. 88579
&K (MPA /'m-) A K (MPA -,'/)4 10 40 100 4 10 40 100
STRESS RATIO= -0. 08 STRESS RATIO =
0101 10-1-? ________._______.._ -.... ~ o l
- . O.3 _ _)0 3 _
"10 11__ _ __ _ _ -6 1642i -~-
-c -3 3 E. 1 -10
Vi7 1U4i
6V
5
i ~ .7 . -
10.6 10-6
101
I I II ,II I I ,I I ,ISTRESS RATIO= 10 lSTRESS RATIO= 10O
1 2 162
10"1 10.1
i7 3 -
,--.- .: 10.2 _ -02
1010
4 4106
S 10' 103E
z 5 E
::-.,-o 1 - -z6 -60 -- 110
100'
I 0Il I I , [ l i l 1I . II0I , I I 1 , 16I ,
10 , ,o .. o..oo .L ,oi .oh -o1-. 1 4 10 40 100 1 4 10 40 100
AK (KSI ,/in) AK (KSI v'T)Fiqui, 8.9.3.93
8.9-263
...r..--..
Downloaded from http://www.everyspec.com
7 .
TABLE 8. .9.3.94
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
A DAT4 ASSOCIATED WITH FIGURE 8.9.3.94 INDICATING EFFECT
OF ENVIRONMENT
* MATERIAL: ALUMINUM 7075CONDITION; T1651
* DEl TA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
S.C. S.
A 4.304DELTA K B:
*MIN C:D:
'3...5. 00 . 7676.00 2.397.00 3.90
-- 8.00 5.149.00 6.6010.00 . 9.7913. 00 24.,3
7A: 14.82 36.4DELTA K B:
MAX C:
ROOT MEAN SQUARE 11.33PERCENT ERROR
* LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
*RATIO 0.8-1. 25 1SUMMARY 1. 25-2. 0
* (NP/NA) ~2 0
S%
8.9-264
Downloaded from http://www.everyspec.com
* CONDITION/HT:T75ALMFORM: 2.00"TH PLATE YIELD STRENGTH: 64.0 KSI IALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION- T-L SPECIMEN THK: 0. 990"STRESS RATIO: --0. 08 SPECIMEN WIDTH: 7. 400"77FREQUENCY: 1.00 HZ REFERENCES:8e579 77
*AK (MPA N/Th) AK (MPA -,/m)4 10 40 100 4 10 40 100
* (AI-ENVIRONMENT: R. .. 100 -1 ENVI O8NMENT:-S. C. S.
10-1 10'
*oF 10.F102U
ul10 1G0
44
10o 10
100iuo4
10 10
1 06 106
1 -8 1 8 1 1 i t, I I 1 1 ,i61 4 10 40 100_______ 1 4 10 40 100
1 1 111111 1 1 1 1 1f = I I 1 , 11 1 1 1 1 11 -© ENVIRONMENT: 10 ENVIRONMENT: ic
102 102
10.1 111
102 10'
44 0
c' 1 0 3 1 0E
z 5 ES10'
10 10- 10
10.6 106
-7 -510 10
1 4 10 40 100 1 4O0F0 0
-'-6
Fivjure S. 3..'
Downloaded from http://www.everyspec.com
TA13LF 8.9.3.95
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOC!ATED WITH FI-GURE 8.9.3.95 INDICATINcG EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7075CQNDITION: T76511ENVIRONMENT: R T ,L.H A.
DELTA K :DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
RP- 00 R=+0.30
A 2. ~;139DELTA K B: 4. 90 . 321
MIN C:D
3.00 1393. 50 1724.00 2715.00 .733 .5066.00 1. 50 1.99
*..7.00 2.43 3. 6183.00 3.43 5- 129.00 4. 50 6. 55
10.00 5 67 7. 9713.00 10. 3 13. 516.00 18. 6 25.220.00 72. 625. 00 338.
A: 16.70 21. 5DELTA K B: 25.56 403.
MAX C:D:
ROOT MEAN SQUARE 13.91 13. 74PERCENT ERROR
-.. LIFE 0. 0-0 5PREDICTION 0, 5-0, 83
RATIO 0.8-12SUMMARY 1. -5-2 0 1(NP/NA) 0 C
* 8. 9-2E66
Downloaded from http://www.everyspec.com
. 7.
CONDITION/HT: T75511 ALUM.FORM: EXTRUSION YIELD STRENGTH: 68. 0 KSI ALLOYSPECIMEN TYPE: CT ULT STRENGTH: 77. 0 KSIORIENTATION: L-T SPECIMEN THK: 1. 000"FREQUENCY: 5.00 HZ SPECIMEN WIDTH: 6. 000 7075ENVIRONMENT: R. T.. L. H. A. REFERENCES:88579
" - AK (MPA -%/m) &K (MPA -\'M)4 10 40 100 4 10 40 100
I -- ' '' 'I"R- .
STRESS RATIO -0.08 10STRESS RATIO o* 31-2 1 2 _
10 - 101 0.
* -. 10 - 0-
-o3
100-. - - 0 -4- I010 _ _-- - 10- 2
-. _ _ _ _o_ __ 1 0 2 -_ _ _,i c 2
10 1610::'Z" - -- lo- 3 10-- l 3 E
'- 5 - Z_ / -o _- / ---
10 10m -4-....16 _-0-6__
010 o1
5510o o-
1-F" " ----
108 06 I-8 1 0 , lilt I10
1 4 10 40 100 1 4 10 40 100I I f I'I -I 'I -T---
STRESS RATIO 100 STRESS RATIO- 10o
1-2 1-2
10 - 10
010 10
1 _ - -4-
110. 1
1oU 103 E
z 5-5E' _ _ __ - 10 -1 10 z
-- _ 10 10-4
66
0 - 10-105 1o5
--~ ---- 106 - -- 1.
I- 1 0 6 I I 1 1I , 1
, 1 1 1 0 6
4 10 40 100 1 4 10 40 100
AK I KSI V17) AK (KSI / - -' )
F iriurc,8 0 .)
Downloaded from http://www.everyspec.com
TABLE 8.9.3.96
F-TIGUE CRACK. GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
" DAT- ASSOCIATED WITH FIGURE 8.9.3.96 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM -7075CONDITION. T76511ENVIRONMENT R T L H A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-O . 08
A. 6.23 1. 65DELTA K B.
MIN C:D:
7.00 2.066.00 2. 709.00 3.44
10.00 4. 3913.00 10.116.00 27. 9
A: 19.09 127." DELTA K B:
S"MAX C:!D:
- ROOT MEAN SQUARE 6. 99
" " PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0 2
- RATIO 0.8-1 25 1, SUMMARY 1 25-2 0
(NP/NA) .' 0
8.9-268
: *-.** ... *. . .
.. ., .. ;. , ,*,.- .. ,*.;.. ... ...-. ,..- ., -.. ,. ;.. , .. ... -. . - ."...- ... ,..
Downloaded from http://www.everyspec.com
* -. .- .~ -- . -U- .. ~ ~ '
-0, CONDITION/HT: T76511FORM: EXTRUSION YIELD STRENGTH: 61.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 72. 0 KSIORIENTATION: T-L SPECIMEN THK: 1. 000
U7. FREQUENCY: 5. 00 HZ SPECIMEN WIDTH 5. 000" 7075ENVIRONMENT: R. T. L. H. A. REFERENCES:88579
. AK (MPA v'7) A K (MPA V/'m)-. -. 4 10 40 100 4 10 40 100I , 11 1 1-T
100STRESS RATIO = -0.08 STRESS RATIO
10 lo7
1 1o4 164o102 10 3
E- 4
-2".4--4
u 10 10 10 U
166 1066C 10 _____ _0 5 11 3 5
10'10- 10V
11010 1
"10-8 1086
-.8 _ __--__ _O-
__- _ lO-I
1"4 10 40 100 4 10 40 100U.- .
STRESS RATIO = STRESS RATIO: 101o
2 1d2__
__ _ _ __ _ _
10- l1010 110
10o
.4] I102- 1?
u 10 U
10. 1- E
z __ __ _ __o_ - 10o- m
d" 106
10 10
0 - 10
-4 06 40 10 - -
L K (K SI -inT) AK (KSI /T! "*l .101 )
i,0_< .9-2 U
,. . . . " . .. ". .. ,. . '. . ,% _ - .- . '. ' '. . ,'% -. -,"% .. - . .* U U.. , -. . . , • '.*.% .. - % ' .. . . " . . -% - .. -. " . . % .
Downloaded from http://www.everyspec.com
TAIBLF 8.9.3.97
%'.TTAINED- CRACK GROWTH RATES AT DEFINED LEVELSOF STRFGSC INTFNJSITY FACTOR
DATA 4ASO0CIATED WITTH FIGURE 8.9.3.97 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: A[ JMB14t-M 70~75-. CONDIl ION;
K MAX DA/-DT (*-bIN/HOUR)
-~.A D3 C D)
F=- F E= F3. -9. NA Cl -1- 3. 5% NACL-T-1 3. 5% NACL-T6-
+10HR 320F +15HR 320F
A:K MAX B: 4.5 0 126,MIN C 320u 156.
D:
4. 00176.5- 00 IS18. 260.6.00 286. 316.7. 00 377. 351.
*48. 00 450. 3,74.9.00 511 392.
*10.00 567. 409.1300 755 479.
*16.00 1059. 604.
AK MAX B 20.00j 1873.MAX c: 20.00 916.
D
ROOT MEAN SQUARE 0.00 16.25 18. 15PERCENT ERROR
8.9-270
Downloaded from http://www.everyspec.com
4 CONOITION HT: ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: 1. 000" ALLOYSPECIMEN TYPE: OCB SPECIMEN WIDTH: 5. 000"ORIENTATIONS-L CRACK LENGTH (Ao):YIELD STRENGTH: K ISCC:ULT. STRENGTH: REFERENCES142B8 7075
K max (MPA /'rm) K max (MPA Vm)4 10 40 100 4 10 40 100
I I 1 11 1 1 1111 1 II' I I 1 11 1111111 ti'
-" ENVIRONMENT: 10 ENVIRONMENT:- .X NACL-T8 3.5% NACL-T-10HR
100 10-101 101
100 10o01 0 I - 1
10 -10 E~
.30.
I
10 10 3- 0 3 l ''010
2 02 ___10-2_ __ 0-2;
0 , 10i 10 10 3
15- 10E
10, 102 -4
1010*1 4 10 40 100 11 4 10 40 100
© ET 12 @ ENVIRONMENT: 10 2
100 32SF 100
101 101
- - ___________ - _________ _____-___._____* 10
- -_ _- '5_ lO203 100 10- 10_ .5.1 0 -- _2 7 0
.,_- 10 10 E .E
1 0- 0-
" 10" 1 4 0
10' 10
10- 10
1010
. Kmax (KSI VI'n) Kmax (KSI v'T )""I"4 '4
I." a Figure 8.9. 3.9740 8.9-271 1,
1.,.
-,.'"q""" -" ..- 10 ,. 40. 10 1 ."".4v""".'.-" , 10-" ,". 4,0" 1--"00-;, : -.'".;,,, , ,,,, ;-:, -' - -,• .
Downloaded from http://www.everyspec.com
TABLE 8.9.3.98
S,=-TAINED CRACK GROWTH RATES AT DEFINED LEVELS .1OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.9 .3.98INDICATING EFFECT
fOF ENVIRONMENT
MATERIAL: ALUMINUM 7075
CONDITION: p
K MAX DA/DT (10**-6 IN/HOUR)(KSI*IN**1/2)
3 5% NACL-T6 3 5. NACL-T6
-\' ')HR 320F +40HR 320F
A: 3. 00 104.K MAX B:
MIN CD:
P..
3. 50 193.4.00 209.5. 00 258.6.00 320.~7.00 391.8. 00 4689.00 548.10.00 628.13. 00 848.16.00 1007.20.00 1100.
A: 22.00 1101.K MAX B:MAX C:D:
I
ROOT MEAN SOUARE 10. 72 0 00PERCENT ERROR
8.9-272 p.
.. I.".
Downloaded from http://www.everyspec.com
CONDITION/HT: ALUM.nFORM: 1. "TH PLATE SPECIMEN THK: 1. 000" ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION :S-L CRACK LENGTH (Ao):
-' YIELD STRENGTH: K iscc: 7075ULT. STRENGTH: REFERENCES:84288
K max (MPA Vm) K max (MPA V"m)4 10 40 100 4 10 40 100
2, , , ,, , , , , ,,, ,-- ENVIRONMENT: 102 ENVIRONMENT:
3. 5% NACL-TS+20HR 3. 5% NACL-TS-40HR100 20F 100 320F
.10 101
10o -1000 16 10'C 10 10 E
o102 0102 - 0,. "a -- 10 .10.1-
S10 . 1
- 1 4--10.2 10"3
4- 4 __ _ __
10' 1 _01
1 10 40 1010 ENVIRONMENT: 102 -ENVIRONMENT: 102
100 04
10_ 101
10 - 100
O10.2 10100-1
• .10_1--1
1- 41040 1 0 1 4- 10 10
"V -- -10 "2 @ EN 10 2 "
10 1010- 1010
10 __10. 3
_ _ 10 3
10.10 1- -- 1 -E-
~- . _ 10.4 -- - 0
.- 4 10 40 100 1 4 10 40 100
Kmax (KSI V/') Figure 8.9.3.98 Kmax (KSI v'n)
11d2
8.9-273, .. -....-
. .4
Downloaded from http://www.everyspec.com
TABLE 8.9.3.99
Ei-IcTAINED CRACK CROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ;.SSOCIATED WJTH FICURE 8.9.3.99I1NDICATING EFFECT
OF ENVlRONMENT- - - - - - - - - - - - -- - - - - - - - - - - - ---------------------------
.' MATERIAL. ALLJM)NrC2 7075CONDITION.*~b
---------- --------------------------------------------------
* KMA X DA/DT (J10**-6 IN/HOUR)
(KEI*I*12
A B3 C D
3X/DAY-i. bNACL
A: 4. 10 11eK MAX B:MIN C:
5.00 260.6.00 467.
* .7.00 698.
8.00 9P5.49.00 1130.
~.~.1000 1304.13. 00 1627.16.00 1716.
A: 20.00 1640.K MAX B:MAX C:
---------------------------------------------------------------------------------------
ROOT MEAN SQUARE 18. 39PERCENT ERROR
8.9-274
Downloaded from http://www.everyspec.com
- . - _ .- .. - . . - :-. K - . .- - . - -% -.- '-'-" " J. . fl/
-- >
CONDITION/HT: T851 ALUM.FORM: SPECIMEN THK: 1. 000" ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION:S-L CRACK LENGTH (Ao):YIELD STRENGTH: Kiscc: 7075ULT. STRENGTH: REFERENCES:78313
K max (MPA Vrm) K max (MPA vrm)"4 10 40 100 4 10 40 100
ENVIRONMENT: 102 ENVIRONMENT:3X/DAY-3. 5NACL
--~ - 100 10110 0000. 10
- _ _ _ _ _0°
__ __ 1-010-_ 10.2
- -1 00
-- 16 10 . 3 _- - 10 - 10 E.4 E
10- - _ 105 -- 0_10- 4 4
- 10 . "105~
10. 10-5
I0u - 1
10 "6 1 , 1,1,1 I .Li , ili -10-6 .,I, .I.±. 1L ,ILLJJ
1 4 10 40 100 1 4 10 40 100
@ ENVIRONMENT: 10 @ ENVIRONMENT: 102-0 0
100 100
101 101• ,." 1 _ - 0 __________ _________
10, 010-- 0 I0 E
F 10 10
010 - 0 E -
10. - -10"
01--110 5-
40 4 1 "-- ___ _1 0 "4
-5 5 _ _ _ _ _ _ _ _ _ _ _ _ _ _
10 10
104 10
k, 106 1 10- 6, :z...L±.LJ±i......L.L.LJ-. . 1 4 10 40 100 1 4 10 40 100
K max (KSI viTn) Kmax (KSI ,Tn)
Figure 6.9.3.998.9-275
." ","*.".. .,..,*J-. *- _'' "U "."; V , , , ,Tu
Downloaded from http://www.everyspec.com
TA3LV- 8.9.3.100
tj,7TAINED CRACK OROWTH RATES- AT DEFINED LEYFL5OF STRESS INt41EllSITY FACTOR
L A.LUS:CIA'TED WTTH F IGURE 8.9.3. 100T NDT-CA-ING EFFEC-T
* .OF ENV1RONMENJ
NATER TAL At UM 1!.~ 7()75
COND!I TON Tc651
K riAX DA/'DT (l10**-.6 IN/HOUR)
AB C D
ERT E= R.T. E= RT.H -OM H. H A -en%. LAB AIR-67% LAB AlIR-O
RE~i Him REL HUM REL HUM. REL HUM
A 7 5(- 2'p 5K MAY BMIN C 7. 3 C 5.98
8i . 70 37.1
G.C . 63.2 30.89. 0 2 10. 130. 52.8
10. 0 405. 277. i23.13. 0-0 688. 455. 296.16.SC 699 406. 311.
A 18.20: 821.K MAX B-MAX C: 17.30 422.
D 17.30 3 12.
ROOT MEAN SQUARE 12 35 0.00 15. 10 9. 75PERCENT ERROR
8.9-276
Downloaded from http://www.everyspec.com
r' 7.~ . • . -. - .. . '7. .7 ~
CONDITION/HT: T851 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 11. 800ORIENTATION:T-L CRACK LENGTH (Ao)
-,-,YIELD STRENGTH: 89.0 KSI K0SCC: 7075ULT. STRENGTH: REFERENCES:e5543
K max (MPA Vm) K max (MPA V-)4 10 40 100 4 10 40 100
111,111~~ 1 1 11111 t9 1 1I' 1 1 111111 -
ENVIRONMENT:. R. T. . M 10' ENVIRONMENT' R TH. H.A. -100% REL HUM H. H.A. -83%*REL HUM
100 100101 10'
10 10-100 _1001
Cl 10 - 14- 10 _ 3- . 10 . 2 3 f
_- 10 2- - 0 .(IU10 103 4-_ 4l o ___--__o-_
10. 10 . 41
- 10 3 -.- _I0 310- 5
101_L4410 4
10-10. 6 1 1 tril l I I I I I 111 10 6 I I I, J I ,IIl
1 4 10 40 100 1 A 10 40 100EtiXI MO _WT R.T. 102 @ - ENVIO ,El R.T.. 102
REL HUM -,LA A -IR-40 REL HUM100 100
--- _101 -- 101
-1 -- _ __ _ __ _ --__ _ _10 10l
-- 100 _ 00
102 1-2 2 -0
0 110
Z 10110 10 E
-1 3 1 5 -
102 10
".0 - 4 0 4 -
100
-- -3 1 0 4
10' 5 1 10---4 -4
10 10.. -- 6
- 10 1.J .D L L.L~ I 1 6 ...1.1,i -
1 4 10 40 100 1 4 10 40 100Kmax (KSI -/in) Kmax (KSI -,/i)
Fiqurc 8.9. 3.100
8. 9-277
9.-
Downloaded from http://www.everyspec.com
1AI3LE 8.9.3.101
Su-5.TAINED CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA,' A5SOCIATED WITH FIGURE 8.9. 3. 1oIINDICATING EFFECT
Or ENVIRONMENr
MATERIAL. ALUMIN' I1 7075CONDITION- T651
* V MAX DA/DT (10**-6 IN/HOUR)* (KSl* IN*-A1/2
A B C D
E= RT, F-R. T. E= R.T. E= RLAi2 AIR-27:. LAB AIR-17. L. H. A. 5M K1. -27,.'-RE.L HUM REL HUM
A:K MAX B:MIN C,
200. 00
A:K MAX B:MAX C:
D:
ROOT MEAN SQUARE 0. 00 0 00 0. 00 0. 00PERCENT ERROR
8.9-278
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: OCB SPECIMEN WIDTH: 11.800"ORIENTATION:T-L CRACK LENGTH (Ao):YIELD STRENGTH: KIscc:ULT. STRENGTH: REFERENCES:85543 7075
K max (MPA Vm) K max (MPA Vm)4 10 40 100 4 10 40 100
ENVIRONMENT: R T 102 @ ENVIRONMENT: R TLAB AIR-27% REL UM LAB AIR-17% REL* UM
100 100_0110
10 010 1
1000 100 0
10. 2 __ _ _ _ _ _ o2 _ __ __ __ __010 -- 1
1o 10 1 0
_ 10* 1- --~ - 0-ic 1i
10. 0 10E010'0
-21
- -- 0-10 -._ _10
-3 0-
44 -4
.10i - 10-
1 :,4 10~ 40 100 1 4 10 40 1001 110' 10
10 E N NT 1
100 1100
0 0 lo 1010
-- -. -n.1
1 01010 -
4. _o -10 0 1 4 1 4 10 0
_ ~ @ 202_ 0-. J~p E T R. T.. 10 .41ItR T. 1
•1 0 - - 0--0- 1
* O110
" V 1010 10-o
. : 1 - - 1 . 2
oo_ 10- "0
.:. - lO-3 _ o-a
::0: 10s6 10.5 _
4.. - 1 .4 -0 4C10 10 E
S 1 4 10 40 100 104 40 100
.. '. Kmax (KSI V"/T) Figure 8.O.3. 1O Kmax (KSI v'/ 1
8.9-279
I" 5 .
* *4
~ ~y* * 10. . . . . . . . . . . . . .4. . . . . . . . . . . . . .
Downloaded from http://www.everyspec.com
TA3LF 8.9.3.102
AINED CRACK GROWTH RATES AT DFNDLVL
OF STRESF INTENSITY FACTOR
DAT %CIAE WITH FIG.URE 8.9.3.102T NDTCAT ING EFFECT
OF ENVIRONMENT
MATERIAl Al 7(i75MCONDITION 1".51
V, MAX DA./DT (10**-6 IN/HOUR)
Si C D)
E= E=E=i.E ~~l3.S. ALOUTDOORS, WET IX WITH
RENTON, WASH 3. 5/.NACL
A;K MAX B 9. 20 472.
MIN C:
D.
10 00 547.13.00 86.16. 00C 1244.20. 00 1600.25. 00 1705.
AK MAX B 26.00 1661.MAX C:
D
ROOT MEAN SQUARE 0. 00 9.27 0. 00 0. 00PERCENT ERROR
H. 9-2F8)
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1. U"TH PLATE SPECIMEN THK: 1.118' ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 3.500- 5.3000"ORIENTATION:S-L CRACK LENGTH (Ao):YIELD STRENGTH: Kgscc: 7075ULT. STRENGTH: REFERENCES:78313. 94294
o.q
K max (MPA V/m) K max (MPA V)4 10 40 100 4 10 40 100I- I ENVI T I10 III t 2 1 1 !11 1 1''l 1 1 ] 11'1' "-
ENVIRONMENT: 102 ENVIRONMENT:LAB AIR 3. 5X NACL
10101 101
10" o"
100 10 0
0o 1- 162 - 0
10 10
10-3 10-2010,4 1"0_ 1__4I
10' 10,3
- 10 Z 10 -4~
10,6 J....0L..LL4 10 40 100 1 4 10 40 100
1A @ 102II - 2 1llllI Ill 102
WARW. WASH E VI-fIH S. 5ZNACL
100 101100 - 100
10 0 100-2 0
100 100
O 102 ___ _ _ _ _ _ _ _ _ _ 102 __ __--__ 0.S10 - 10 E" -1 -1 -
, 10 101
'V -- 104 w '
M -Ii
.30
1010 10'0
.f. 10o ... i..LUd .6 .... JJ.L1 4 10 40 100 101 4 10 40 100
Kmax (KSI VIM) Figure 8.9.3.102 Kmax (KSI v/-)
8.9-281
Downloaded from http://www.everyspec.com
TABLE 8.9.3.103
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTnR
,ATA ASSOCIATED WITH FIGURE 8.9.3.103INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITION: T651
K MAX DA/DT (10**-6 IN/HOUR)- (KSI*IN**1/2)
A B C D
E' E= E= E=WET IX/K WITH WET IX/2 DAYS IX/DAY-3.5NACL ALT. IMMERSION
;3. 57 NACL WITH 3. 5%NACL IN 3. 5%NACL
A:K MAX B:MIN C: 5. 60 482.
%, D
6.00 497.7.00 512.8.00 509.
9.00 499.10.00 487.13.00 457.16.00 451.
20.00 481.
A:K MAX B:MAX C: 21.00 " 495.
D:
ROOT MEAN SQUARE 0.0 0 0.0 0 3. 79 0. 00PERCENT ERROR
8.9-282
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"- CONDITION/HT: T651 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: 1. 000" ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION:S-L CRACK LENGTH (Ao):YIELD STRENGTH: KiSCC: 7075ULT. STRENGTH: REFERENCES:78313
n
K max (MPA Vii) K max (MPA /m)4 10 40 100 4 10 40 100
ENVIRONMENT: 102 ENVIRONMENT:WET 1X/WK WITH WET 1X/2 DAYS WITH
100 3.5%NACL 3.5%NACL101 1010-lO _ l -1 ___________ ___-______
- -10
0~01010 -
0 1 10 0. 1-2 002 --
S 10 10 E3 3 E
10"3-- 10.3 _
10. 3 _ 0 10 . 3
4 4
10 - - 10 =-1 0' -10
1410 40100 110lOEU1oT102
E - : NACL E&O ISON IN
10 0 100 3.51 NACL
101 1 -- 1
10 100 100
S2 0__ _ _ __ _ -1
* .- --- 1"1
. 10 10' E
3 E?1 10~ 10i3 ...102 -- Min 102
10
10" . ' 10" 1 a -0-- - 103 -0 0 .
1 4 10 40 100 10"1 4 10 40 100Kmax (KSI /7) Figure 8.9.3.103 Kmax (KSI VC7)
8.9-283
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IV W7 .7
TABLE 8.9.3.104
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSO'.'IATED WITH FIGURE 8.9.3.104INDICATING EFFECT
OF FORM
MATERIAL: ALUMINUM'* 7075CONDITION: T651ENVIRONMENT: 3XIDA -3 5NACL
K MAX DA/DT (10**-6 IN/HOUR)(KSI*IN**1/2)
A B C D
T(IN)= 1.0 T(IN)= 1.5 T(IN)= 2.0 T(IN)= 3 0. PLATE PLATE PLATE PLATE
A:K MAX B:
MIN C:
200. 00
A:K MAX B:
MAX C:ID:
-----------------------------------------------------------------------------------------ROOT MEAN SQUARE 0. 00 0. 00 0. 00 0. 00PERCENT ERROR
9.:
8.9-284
;.A..
Downloaded from http://www.everyspec.com
CONDITION/HT: T651 ALUM.ENVIRONMENT:3X/DAY-3. 5NACL SPECIMEN THK: 1.000" 0ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION S-L CRACK LENGTH (Ao):
t YIELD STRENGTH: Kis 7075: ULT. STRENGTH: REAERENCES:7813
K max (MPA Vmi) K max (MPA v/m)4 10 40 100 4 10 40 10011,111 1 1 1 1 1 1 0
- FORM: 1. 0"TH 10 FORM: 1.5"TH00 PLATE 10-0PLATE
10 10
101100 101
0
--10 10°
: 3 3 -10 10.2 - 0-10 10
I~ 3 -" -1 .3 - - - "_ 10. _ - o1 .
O - 10-10
10 10-10"6r I-1 1 , I 11 10-6 - ,1 ,1 I I IIA
1 4 10 40 100 1 4 10 40 1002 2 mFORM: 2. 0"TH 10 @ FORM: 3. 0"TH 10
100 PLATE 0 PLATE10 10
10" - 10
100 100
0 10 . 2 02 -, -1-1"
10 io E1010- 1010.3 -- __ _ __ _ ___-- E__
10-30 .10 7 10 0- - 1 102.
100 -- 4 1-- 10 -3 -- - 10 .3.. ~i.b. i . ~
' 10"76- I I 1,1,1 I I i-~ Id -10 1 11 I ,11', -
1 4 10 40 100 1 4 10 40 100K max (KSI VK/1)
Figure 8.9.3.104
8.9-285
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TABLE 8.9.3,.105
SJSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.9.3.105INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7075CONDITIOK: T7351
K MAX DA/DT (10**-6 IN/HOUR)(KS *IN**I/.2)
A B C D
3X/DAY-3. 5NACL.
A:K MAX B:MIN C:
D:
200. 00
-".,A:K MAX B: •MAX C:
ROOT MEAN SQUARE 0. 00PERCENT ERROR
8.9-286
''I
' W " " ." , .r • ' , %, .- % % ., ,"". " , % ,"% """%,.'% ,'-'' % . ,% ' . ', " " '"•• * " -
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J CONDITION/HT: T7351 ALUM.FORM: 1.5"TH PLATE SPECIMEN THK: 1. 000" ALLOYDISPECIMEN TYPE: 0CB SPECIMEN WIDTH: 5. 000"
N -,ORIENTATION:S-L CRACK LENGTH (Ao):' -;"YIELD STRENGTH: K IsCC:
ULT. STRENGTH: REFERENCES.84284. 84288 7075
K max (MPA Vim) K max (MPA Vm)4 10 40 100 4 10 40 100I I 1'1,1 1 1,fi,, -^ 2 1"1'11111 1 1 ' 1 i ll'
ENVIRONMENT: 10 ENVIRONMENT:-10 X/DAY-3. 5NACL z 10 0 0'10 10
0 10
,, 1010S 2~ 10"2 10"2"1 2
10.
103 10. 010-
% 1-1
010-
10' 10
10 -4104
1 4 0 40 10011
SENVIRONMENT: "- 102 @ ENVIRONMENT: 102
S10 0
0101 0
10
100 100
-. = 102 o102 ,0
10 10
10 410010 . P 2- 10 3 -uj0
3 EN I ON E T
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10 1010
0 0"410000 1
64 8-28" " '0-.10-
- . 3
10-2 102
10~'____ ___ ____ _ -10-5
10~~ - 110
Th 106 -L..6LLL r I Z ....... LI1 4 10 40 100 1 4 10 40 100
Kmax (KSI ~ Figure 8.9.3.105 Ka KIV~
8.9-287
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* . , ,i ° . . .o . . ° o . , .. o
7:.
-4"IABLE 8.9.3.106 .- -
SUSTAINED CRAC. GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
lAT-A ASSOCIATED WITH FIGURE 8.9.3.106INDICATING EFFECT
OF FORM------------------------------------. ~.-----------------------------------
MATERIAL: ALUMiNUM 7075 I-
CONDITION- UNDERAGED, 72HR 158FENVIRONMENT:
------------------------------------------------ --------------------------------------------K MAX DA/DT (l0**-6 IN/HOUR)
(KSI* IN*. 1/;2)
A 13 C D
T( IN)= 1 0Pi ATE
A:K MAX B:MIN C"
4D:-..
200.00
A :K MAX B:MAX C:
D:
-----------------------------------------------------------------------------------------
ROOT MEAN SOUARE 0. 00PERCENT ERROR
.. 2
'i
8.9-288
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CONr)ITION/HT: UNDERAGED, 72HR 158F ALUM.ENVII ONMENT: SPECIMEN THK: 1. 000"SPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION* S-L CRACK LENGTH (Ao).
- YIELD STRENGTH: KISCC:* ULT. STRENGTH: REFERENCES:84285 7075
K max (MPA Vm) K max (MPA v'm)4 10 40 100 4 10 40 100
FORM: 1. 0"TH !102 FORM:
100 PLATE -10
10 - 101
, 10 - 10
-- 100 10 0
loo °- - 0-210
S 10 -10 E
-3 E
S10 10.2 3-
.1 -10 5
10- 10-2
1O5 1010 -4 104
1 4 10 40 100 10 1 0I 40 100@_ _ _ __ _ _ _ 91 4 1020 FORM: 102 @ FORM: 'FORM:" 10
100 _ 100
V 101 101
-1" - _ _ _ _ _ _ _ __ 1 -- _ _ _ _ _ _ _.10 -010
lo 0 0
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_ _ _ _ _1 . 4
__ _ _ _ _ _ _
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10'- 1I 4
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~~-10. 1010 06 W L 4L J W4J i'.d -, 1 4 10 40 100 10
K max (KSI v/'n Figure 8.9.3.106 K max (KSI vl'n)
8.9-289
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TABLE 8.10.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIOURE 8.10.3.1!NDICATING EFFECT
OF STRFSS RATIO-----------------------------------------------------------------------------------------MATERIAL: ALUMINUM 7075(ALCLAD)CONDITION: FbENVIRONMENT R T. LAB AIR
°., DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+O 05 R-=+0. 0 R=+O 40 R=+0 60
A: ~83 .108DELTA K B: 2 49 .0825
MIN C: 1.82 .0657D. 1.56 0699
1.60 .07622.00 .107 13L2.50: 0837 .1753.00 .134 140 .2503.50 188 1974. 00 .229 2795.00 .450 7096.00 1.83 2.71
A: 6.96 3.91DELTA K B: 6.09 : 3. 12
MAX C: 3.40 : . 347D: 2.40: .193
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 11.22 9.55 5.07 4.26PERCENT ERROR
---------------------------------------------- ------------------------------ --------LIFE 0.0-0. 5
PREDICTION 0. 5-0. SRATIO 0.8-1.25 1SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.10-14
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CONDITION/HT: T8 ALUM.FORM: SHEET YIELD STRENGTH: 47.2 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 58.2 KSIORIENTATION: T-L SPECIMEN THK: 0. 090"FREQUENCY: 30.00 HZ SPECIMEN WIDTH: 14. 000" 7075
-- "ENVIRONMENT: R.T. LAB AIR REFERENCES:EFM01, ~-- (ALCLAD)
AK (MPA -V/-m) AK (MPA V/_)4 10 40 100 4 10 40 100
100STRESS RATIO = -0. 05 STRESS RATIO -9-0. 20-O2 O-2 -________ ________
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"ABLE 8.10.3.2
FA:TIGUE CRACK GROWTH RATES AT DEFINED LEYELS.
OF STRESS INTENSITY FACTOR
DATA' ASSOCIATED WITH FIGURE 8.10.3.2 INDICATING EFFECT
OF STRESS RATIO
MATERIAl. ALUM i 7075(ALCL.AD)CONDITION: TI,ENVIRONMENI R, T , LAB AIR
DEI.TA K DA/DN (10**-6 IN. /CYCLE)..,(KS I I N*-! I/;
A B C D
R=+O. 00 R=+O. 33
A. H. ,, 4 97DELTA K B 6. 36 4. 28
MIN CD:
7.00 4. 77BO0: 6.319. 0 5.20 8.91
10.00 6.99 2613. 00 14. 7 34. 416.00 28.6 86.2
--. 20.00 68.3 290.
25. 00 228.30. 00 996.
A: 30. 12 i035.DELTA K B: 21.86 652.
MAX C:
ROOT MEAN SQUARE 13. 41 9. 91PERCENT ERROR
FE 0.0-0. 5,-. CTION 0.5-0.8
, 0 0.8--1.25 2 3j- "ARY 1 25--2.0
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CONDITION/HT: TSFORM: '0. 09"TH SHEET YIELD STRENGTH: 87. 7 KSIALY
*. SPECIMEN TYPE: CCP ULT. STRENGTH: 77. 8 KSIORIENTATION: T-L. SPECIMEN THK: 0. 0199kFREQUENCY: 13.30 HZ SPECIMEN WIDTH: 4. 000" 7075ENVIRONMENT: R. T. LAB AIR REFERENCES:88213 ALA
&K (MPA -,/M) &K (MPA ,/Th)4 10 40 100 4 10 40 100
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TABLE 8.11.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.lINDICATING EFFECT
OF STRESS RATIO------------------------------------------------------------------------------------------
MATERIAL: ALUMINUM 7079CONDITION: T6
* ENVI RONMENT: R.T LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)KSI*IN**1/2)
A B3 C D
R=+0. 05 R=+0.50
A: 19.31 55. 4DELTA K B: 18. 89 172.
MIN C:
20. 00 : 64. 8 364.25.00 : 167. 989.30.00 2676.
A: 26.41 2 18E.DELTA K B: 31.99 .4067.
MAX C:D:
---..--------------------------------------------------------------------......... ........ROOT MEAN SQUARE 8. 21 9. 61PERCENT ERROR
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LIFE 0.0-05PREDICTION 0.5-06 1
RATIO 0.8-1.25 2 1SUMMARY 1.25-2.0(NP/NA) >2. 0
8.11-12
Downloaded from http://www.everyspec.com
CONDITION/HT: T5 J~ fFORM: 0. 17"TH SHEET YIELD STRENGTH: 57.0 KSIIAL ISPECIMEN TYPE. CCIP ULT. STRENGTH:IORIENTATION: L-T SPECIMEN THK: 0. 170"FREQUENCY: 2. 00 HZ SPECIMEN WIDTH. 15. 000" 07ENVIRONMENT. R. T. *LAB AIR REFERENCES86734 77
&K (MPA N/m) AK (MPA /*
4 10 40 100 4 10 40 100
12STRESS RATIO= +0. 05 10STRESS RATIO +40. 50
100
100 10U3
102 -2
1 0 102
16 1-4 >1-
0- 3 1 0' 3 E
10 10~z~~1 __0__ __ _ __ -106
10 lu 1066
__ __ _10_ _ -6 ioo
1007
STRESS RATIO =100 STRESS RATIO = 10
10
1 0 - 1 0 1 0
s) 1 02 10E
10, E
7D 10 5o:~i -10~- z4. - ~ 10~10-
__ _ __ _ __ _ __ _ __ _ __ _ - 1 1
10. - 106 1076
~.1 4 10 40 100 1 4 10 40 100AK (KSI /-In) AK (KSI v'/Tn)
* Figure 8.11.3.1
8.11-13
Downloaded from http://www.everyspec.com
TABLE 8.11.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.2INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7079CONDITION: T6ENVIRONMENT: R.T., LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
.A 13 C D
R=+0. 02
A: 5.46 .114DELTA K B:
MIN C"D:
6.00 .2627.00 " 1.018.00 2.849.00 : 6. 13
:-"' 10.0 : 10. 7"
13.00 : 27.416.00 : 53.620.00 : 110.
A: 20.96 : 123.DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 25. 00PERCENT ERROR
LIFE 0. 0-0.5PREDICTION 0. 5-0.S
RATIO 0.8-1 25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.11-14
4.
Downloaded from http://www.everyspec.com
CONDITION/HT: TI ALUM.9- :J FORM: 1.70"TH BILLET YIELD STRENGTH: 79. 0 KSI ALLOY
SPECIMEN TYPE: WOL ULT. STRENGTH: 985. 0 KSIORIENTATION: L-T SPECIMEN THK: 1. 250"FREQUENCY: 1.00- 30.00 HZ SPECIMEN WIDTH: 5. 000" 7079
" ENVIRONMENT: R.T. LAB AIR REFERENCES:MA01 1
AK (MPA %/m) AK (MPA V/'m)4 10 40 100 4 10 40 100
STRESS RATIO -l0.0 2 10 STRESS RATIO
162 -162
101 101
-2 - 210 10
c -_ 10-3--_ 10-3 E%. - lO .. 10.
E
1 4- 1-.- -7- -1--:1
3
101
0-I - ° Ii I ' ~11STRESS. RATIO_ 104 STR SS RA IO 100
10610o 1051
10-2 10 -
> * .4 _ __-_ _ _ _ _ _ __o
- -
.5.___.____________
. .1078
1 1 , I I, I I I II [111 108 1 1, _llt I ,I I I I, --
1 4 10 40 100 4 10 40 100
- '- iSTRESS RATIO 1oSTRESS RATIO = - 0oo
- . 1 0 01 2 0-
l o 1"1 0-
0 _ 100 10 - 2
-3J
10* 10.6 10 - 3 1
10 ..... J..LL L J -.... L .. L-,Ji _
-K ( SI Yh10. K I1 0
.. .. 0".- 06 - 1
:+loa --
lo
•1- -o-6,
Figure 8.1.1.3.2.
..., 8.11i-15
Downloaded from http://www.everyspec.com
TABLE 8.11.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.3INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7079
CONDITION: T6- ENVIRONMENT: R T., LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 05 R=+0. 50
A: 4. 14 .284DELTA K B: 2 16 .137
MIN C:
D:
2.50: .193
3.00 .317
.. .3. 50 : .517
4. 00 : . 8335.00 - .387 2.086.00 .922 4.657.00 : 1.91 8.948.00 • 3.29 15.39.00: 5. 17 21.3
10.00 • 7.81 22.013.00 : 21.816.00 • 35.720. 00 " 42. 825.00 • 55.4
A: 27.05 " 67.8DELTA K B: 10.09 2 21.7
MAX C:
ROOT MEAN SQUARE 41.55 30.01PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0. 8
RATIO 0.8-1. 25
SUMMARY 1.25-2.0"" (NP/NA) >2. 0
:.x:,K.-K, ,a 8.11-16
Downloaded from http://www.everyspec.com
CONDITION/HT: T8 LMFORM: FORGING YIELD STRENGTH: 72.8 KSISPECIMEN TYPE: CT ULT. STRENGTH: 83. 4 KSIORIENTATION: T-L SPECIMEN THK: 0. 400"FREQUENCY: 9.00 HZ SPECIMEN WIDTH: 77
-ENVIRONMENT: R. T. LAB AIR REFERENCES:BW001 77
&K (MPA 'Amh AK (MPA N/m*)4 10 40 100 4 10 40 100
STRESS RATIO= .0. 05 10STRESS RATIO -0-0-. 501-2 -62 _______
1010 10-
1011103
-2 -2 _10 10
S~ 10 100
E
S105- 1075 z
1o4 10-
106 M/ 106
1 5oo71-70
- -10 7_ _ __ _ _ 1 OF 7___
1 06 10-6
STRESS RATIO 100 STRESS RATIO= 100
10- - 101
10. 10-
102 -2 E_
m U -4~io~ - 10
~~10
-6- -610 - 10
16 10 108
AK4 10 40 100 AK4 10 40 100
.~~ . Figure 8.11.3.3 ")
8.11-17
Downloaded from http://www.everyspec.com
TABLE 8.11.3.4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.4 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7079CONDITION: T6ENVIRONMENT: R T., H.H.A.
DELTA K • DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
. A B C D
R=+0. 05 R=+0. 50
A: 4.09 : .377DELTA K B: 2.22: . 197
MIN C:D: "
2.50 .2643.00 " .5373.50 : 1.044.00 : 1.705.00 : 2.52 3.776.00: 4.34 8.187.00 • 6.76 14.28.00 • 9.78 20.89.00 : 13.4 34.910.00 : 17.413.00 • 32.016.00 : 48.420.00 : 70.425.00 : 98.4
A: 29.94 : 129.DELTA K B: 9.83 : 68.0
MAX C:D:
ROOT MEAN SOUARE 24. 19 19. 85PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. .RATIO 0.8-1 25UMARY 1.25-2.0(NP/NA) >2. 0
8.11-18 I,% QI• • ~ k ',"",' ','''.... .-" ', v v' "." "- '.-' -' ."." ." -" ." ." ." .". " .. .. " '- ."-" " ." " '- ." "- , "" "" " " " " . . .
Downloaded from http://www.everyspec.com
CONDITION/HT: TS ALUM.FORM: FORGING YIELD STRENGTH: 88. 8 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 78. 7 KSIORIENTATION: T-L SPECIMEN THK: 0. 400"FREQUENCY: 9.0 HZ SPECIMEN WIDTH: 4. 500" 7079ENVIRONMENT: R. T. o H. H. A. REFERENCESBWO01
AK (MPA Vrm) AK (MPA V/'m)4 10 40 100 4 10 40 100
STRESS RATIO = o-0.05 10 STRESS RATIO = 0. 50 .
10-2 10•1
3 111 102 i- 1U 2- " I'
QC-
-4 m 70 - -
, 100 104 E
-10' U41-
1- 10
1 lu --5. - 7 -7... 13__ __ __
1 10
166 1 OF1; 16-r 10-7 8r:,8 -8° jjo 1J,
1 4 10 40 100 1 4 10 40 100=. -- I I T'' ' I1 1 1 1 ' ' -1 1 1 1
TRESS RATIO - STRESS RATIO= 10o
102 1- 162 p10"1 10 -.
10 3 10 -3
10-2 - 10_2
4 1-4010
* Ez -05 _ __1
. _. 10 - 4*l . 3 n10-
- -
10, 10
1. Z 0.7 -7 .
6., . 1 410 40 - 2-5 ZI ,.'LIL~~L~i
1 006 10"71 4 10 40 100 1 4 10 40 100
AK (KSI V"n) AK (KSI v/Tn)Figure 8.11.3.4
8.11-19
% . . . . . . .
;".;-.:-':.::.'' -.;-:-':-':';';'>';'...:'.;':. ,-: ''.=,'...,"; ' .,","_ : ':";:':: ..- ?',.:,-:.:'':,-:--:,:-, ,::':'..'.' .'-'.'',, _.
Downloaded from http://www.everyspec.com
4~V-7 7 .-. . . ...
TABLE 8.11.3.5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
* DATA ASSOCIATED WITH FIGURE 8.11.3.5 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 70794-. CONDITION: T651
DEL-TA K .DA/DN (10**-6 IN. /CYCLE)* (KSI*IN**1/2)
*A B C D
E= R. r.LAB AIR
A: 5.75: 2.8E5DELTA K B:
MIN C:
1. 6. 00 3. 177.00 4.796.00 7.079.00 : 10.1
- .10.00 : 14.0-. 13.00 30.9
16.00 : 55.020.00 92.625.00 135.
A: 26.66 145.DELTA K B:
MAX C:
ROOT MEAN SQUARE 9. 67* 4-. PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.9
a.. RATIO 0.8-1.25 4SUMMARY 1.25-2,0
*.(NP /NA) >2. 0
8.11-20
Downloaded from http://www.everyspec.com
W. - -4
,ALUM.
CONDITION/HT: T851FORM: 0. 115"TH SHEET YIELD STRENGTH: 72. 8 KSI ALLOY
- SPECIMEN TYPE: CCP ULT. STRENGTH: 79. 1 KSIORIENTATION L-T SPECIMEN THK: 0. 150- 0. 181STRESS RATIO: 0. 05 SPECIMEN WIDTH: 3. 000- 14. 010" 779
,. . FREQUENCY: 2. 00 HZ REFERENCES: 88734
.. ,
AK (MPA v'm) AK (MPA v-Th)4 10 40 100 4 10 40 100
ENVIRONMENT: R. .. 10 o ENVIRONMENT:
LAB AIR
10 2 162
101 1001
-i0 - - --
10.2 10-210
l O- 1 0 _ -
~10-E
165 1 5 z
-6 -6_______10. 4__ _____ _ __ 10
.
10 . - 10. -
-- -l
10 - 10
105 0
" - __i. - -- 1 0 .6 = 10 -6
EN IRN10E8 NT 10, I I II I I II 1,1,14 10 40 100 14 10 40 100
ENVIRONMENT: 100 ENVIRONMENT: 100
2 -2
10-3 10
11041 164 _
s 10 . 10 . 3 EE
zz lOm -4 l___--__ - 110 _ -_ 10
4"
1 10- U
166 -610 _ 110
15 510- 10-10
m7-- 10.6 10.6
.. 108 I I I I - I00 I , I, I-
.7 8 1071 4 10 40 100 1 4 10 40 100
,i AK (KSI vTn) AK (KSI v/ 7n)Figure 8.11.3.5
8.11-21
Downloaded from http://www.everyspec.com
TA13LE 8.11.3.6
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.11.3.6 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7079CONDITION: T652ENVIRONMENT: R T. ,LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
.;•R -+O 33
A: 5.82 2.27DELTA K B:
MIN C:D:
6.00 2.617.00 4.958.00 8.029.00 11.610.00 15. 613.00 27.616.0O0 37. 3
A: 17.35 • 40.7DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 5. 08PERCENT ERROR
LIFE 0.0-0.5. PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 2
SUMMARY 1. 25-2. 0(NP/NA) ',2. 0
8.11-22
,qr.
*.i%
Downloaded from http://www.everyspec.com
%7.
CONDITION/HT: T552 ALUM.FORM: 5.00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:
** ORIENTATION: L-S SPECIMEN THK: 0. 750".1 ~FREQUENCY: 5. 17 HZ SPECIMEN WIDTH: S. 000" 77
ENVIRONMENT: R. T..*LAB AIR REFERENCES:77720
,&K (PA Vm) A (MP V-I
4 10 40 100 4 10 40 100
STRESS RATIO~ -10.33 10STRESS RATIO
1cr' 10.1
10~ 103 10o3 1.
2 2)
3l 10- - 0
4
6 64 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
10 100 31'
10- 1 0p1
o7 47-100
100 16
10 1 4 10 0W 10 40 10
©0 107 1 10
4 10 101
1-2 1-2
0) 10 1OQ)
10 -2 10_ _ -2s
4U 40 10
-60- - E
z 10 10
10 105
10 6- 106
1 4 10 40 100 1 4 10 40 100
~K (KS Vr~) Figure 8.11.3.6 ~ KIV~
8.11-23
Downloaded from http://www.everyspec.com
. ..... .7 7 9. . -I . -7 -. -. 9
TABLE 8.11.3.7
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DA t A "SSOCIATED WITH FIGURE 8.11.3.7 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUr 7079
CONDITION: T65CENVIRONMENT R T LAB AIR
DELTA K DA/DN (10**-8 IN. /CYCLE)h:"-:"(KSI*IN**I/2')
A B C D
R-O. 33
DELT A 5 59 4. 14DELTA K B:
MIN C:
D.6.00 5.36
7.00 8.82I 8.00 12.8
9.00 17.310.00 22.213.00 41.216.00 71.020.00 145.
A: 21.86 204.DELTA K B:
MAX C:
-------------------------------------------------------------------------------------ROOT MEAN SQUARE 18. 53PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8 2
RATIO 0.8-1.25 2
SUMMARY 1.25-2.0
(NP/NA) ,2.0
'%,- -
oil1 .- 2.,. ",,
;:-,-.
," " " , - '4 : " " " " ." " " '"" -" ' - . - . - ," " "" " " " ."" " "'.." . -" - ' - ". -" - " " " -"- - " - . . . . . '"
Downloaded from http://www.everyspec.com
CONDITION/HT: T652 ALUM.IFORM: 5.E"TH FORGING YIELD STRENGTH: ALLOY
.... SPECIMEN TYPE: CCP ULT. STRENGTH:
ORIENTATION: L-T SPECIMEN THK: 0. 750"" FREQUENCY: 5.17 HZ SPECIMEN WIDTH: 3. 000"
ENVIRONMENT: R. T. LAB AIR REFERENCES:77720
- K (MPA N/-m) &K (MPA V/m)4 10 40 100 4 10 40 100
STRESS RATIO = -0. 33 10o STRESS RATIO =1-2 _ 1o-2
10 10- 10
2102
100 10.1
4" -4 -4
10 10 E
" 10. 10-5V 10.6 10 cc
-6 -6 _________ ______ _
10 - 10
,0 .- _____10-
__
10-6 1 0-6
108.. .-. i ..... L..±.L±Lb - 010.2 L± ..... L I±.U
10"8 1031
1 4 10 40 100 1 4 10 40 100
STRESS RATIO 100 STRESS RATIO 100
"- ________ "______ _ _ 10 " - 0
10 - 10
1--10.3 iF
.- ,102 10-2
0 4 U
... -4 4_ _ 10 _ 40_ 10 1 4 04 0
-:..-
io3 EE
Z13 10 _____ 10o z
S166 6
11oF
10 -6 6- 1-
1176 1 1o6 I h17
. 1 4 10 40 100 1 4 10 40 100AK (KSI v'Tnh &K (KSI N/'T)
Figure 8.11.3.7
*1 8.11-25
Downloaded from http://www.everyspec.com
TABLE 8.11.3.8
FTIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DAT- ASSOCIATED WITH FIGURE8.11.3.8 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079CONDITION: T652
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E R. T. E= R. T. E= R. T. E= R. T.L.H. A. LAB AIR 90% R.H. SALT FOG
A: 5. 83 2.61DELTA K B: 5. 53 2. 48
MIN C: 5.59 3.29
D: 5.46 3.21
6.00 2.80 3.21 4.32 4.767.00 4.05 4.86 7. 10 8.018.00 5.44 6.61 10.2 11. 59.00 6.95 8.44 13.6 15. 2
10.00 8. 56 10.4 17. 5 19. 4 t:- . U13.00 13.6 17.7 35.6 38.216.00 16.8 29.6 76. 9 8J. 420. 00 60. 9
A: 16.92 17.0DELTA K B: 22. 12 91. 5
MAX C: 17.28 110.
D: 16.26 (87. 4
ROOT MEAN SQUARE 16. 35 11 53 8. 60 10. 74
PERCENT ERROR
LIFE 0.0-0 5'EDICTION 0. 5-0. eRATIO 0.8-1 25 2 6 2 4SUMMARY 1.25-2. 0
(NP/NA) ""2. 0
* 8.11-26
................. .]
Downloaded from http://www.everyspec.com
CONDITION/HT: T852FTi1FORM: 6. 00"TH FORGING YIELD STRENGTH:ALOSPECIMEN TYPE: CCP ULT. STRENGTH:
FOl"RIENTATION- T-S SPECIMEN THK. 0. 750"STRESS RATIO: -- 0. 33 SPECIMEN WIDTH: 3. 000" 7079FREQUENCY: 5. 17 HZ REFERENCES: 77720
&K (MPA -%M &K (MPA -\,/M4 10 40 100 4 10 40 100
ENVIRONMENT: R. T..* 100 ENVI O8NMENT: R .L. H. A. LAB AIR
10.1 10-'
10o3 1-7-2 -210 l0-
>1 -64 4 _________
100 E
106 106f
5 -810 1
106
10.1 10.16
1 4" 10 E0104 10 4 0NE
10- 10-
103 1o-3
* &6- 1 16 10- 2
106 10.6
10 U
Downloaded from http://www.everyspec.com
IABLE 8.11.3.9
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.9 INDICATING EFFECT
OF ENVIRONMENT------------------------------------------------------------------------------------------
* MATERIAL: ALUMINUM 7079CONDITION: T652
-----------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E-- R. 1'.LAB AIR
A: 55 2.02-' DELTA K B:
MIN C:
6.00 3.73.00 6.04
6.00- 9.029.00 13010.00 : 183 A
- .. 13.00 51.3
A: 15.68 9:5.3DELTA K B:
MAX C:
----------------------------------------------------------------------------------------ROOT MEAN SQUARE 12. 51PERCENT ERROR
---------------------------------------------------------------
LIFE 0.0-0.5PREDICTION 0.5-0.1
RATIO 0.8-1.25 2SUMMIARY 1. 25-2. 0(NP/NA) >2. 0
8. 11-28
Downloaded from http://www.everyspec.com
CONDITION/HT: T852 ALUM.L
FORM: 8. 00'TH FORGING YIELD STRENGTH. ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION T-L SPECIMEN THK: 0.750"STRESS RATIO: -0. 33 SPECIMEN WIDTH: 3. 000' 7079FREQUIENCY: 5. 17 HZ REFERENCES:77720
AK (MPA A~ LK (MPA -\/-M4 10 40 100 4 10 40 100
ENVIRONMENT: R. 100 ENVIdONMCNT:LAB AIR
10-1 10
1 o 3 -
10' 10-
103 10
10 101
~~~ 10104-. __
100
10-5 10 5
1010
1 0 4 0 4 10 40 100
©! ENVIRONMENT: 100 ENVIRONMENT.10 101
10.1 10
1 0- -21
10.2 1o
C10 10 "E
z______ - 1o 5-
10 i19 10-s
______0__ 1 10
7-
10- -010
1 4 10 40 100 1 4 10 40 100AK (KS1 V'Th) Fiue81..AK (KSI vTm)
Fiue8.1129I
Downloaded from http://www.everyspec.com
TABLE 8.11.3.10
FATIGUE CRACK gROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY r:ACTOR
- - DATA ASSOCIATED WITH FIGURE8.11.3.1OINDICATIN_ EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079
i CONDITION: T652
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R.I.
LA1 AIR
A: 5. 58 2 93DELTA K B:
MIN C:
6.00 3. 507.00 5.448.00 8.409.00 12.610.00 18.3
- A: 11. 52 29.9DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 12. 23PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 9
RATIO 0.8-1.25 2SUMMIARY 1. 25-2. 0(NP/NA) >2. 0
8.11-30
. .%% "5C.~~.~: ; : . A 7~A
Downloaded from http://www.everyspec.com
CONDITION/HT: T852ALMFORM: 15.09"TH FORGING YIELD STRENGTH: ALYISPECIMEN TYPE: CCIP ULT. STRENGTH: IORIENTATION- S-T SPECIMEN THK: 0. 750"STRESS RATIO: -10. 33 SPECIMEN WIDTH. 3. 000" 7079
.,,>FREQUENCY: 5.17 HZ REFERENCES:77720
AIK(MPA Vm~ AK (MPA V/m)
*4 10 40 100 4 10 40 100
ENVIRONME INT: R. 4.1 11 100 ENV ONMENTLAB AIR12
10' 10-1
0-2 0-2 _
10-10 103 E,
Ez 5 5 z________
10~i 10- z4U 4
10 10' cc
10-10s
1 OF 1-
1 4 10 40 100 14 10 40 100
© ENVIRONMENT: 100 @ ENVIRONMENT: 100
100-1 10-
101 10-2
4 -4
c 10 1010o Ez -5 Z__ __ _ -5
10__ -1
10 10-a~
105 0-
-7 -7
1 0" 106
1 4 10 40 100 1 4 10 40 100AK (KSI -,i)AK (KSI /m)~
Figure 8.11.3.10
8.11-31
Downloaded from http://www.everyspec.com
*~ T
TABLE 8.11.3.11
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS -
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.11INDICATING EFFECT
OF STRESS RATIO
* MATERIAL: ALUMINUM 7079CONDITION: T652ENVIRONMENT. R T. LAB AIR
-----------------------------------------------------------------------------------------DELTA K .DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B3 C D
R= +0. 33
A. 8.37 3. 13DELTA K B:
MIN C:
9.00 4.9810.00 . 9.73
A: 12.82 . 564DELTA K B:.
MAX C:
ROOT MEAN SQUARE 21. 17
PERCENT ERROR-----------------------------------------------------------------------------------------
LIFE 0. 0-0.5PREDICTION 0.5-0.8 2
RATIO 0.8-1.25 1SUMMARY 1. 25-2.0(NP/NA) D-2.0
8.11-3
Downloaded from http://www.everyspec.com
CONDITION/HT: T552 JTAUMFORM: 8. 00"TH FORGING YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: S-L SPECIMEN THK: 0. 750"FREQUENCY: 5. 17 HZ SPECIMEN WIDTH: 3. 000" 7079ENVIRONMENT: R. T.. LAB AIR REFERENCES:77720
AK (MPA 'm/) AK (MPA V/')4 10 40 100 4 10 40 100
STRESS RATIO - 0.33 100 STRESS RATIOi!1-6'2 16'2-__'__.__-__- i-
101 10.1, -3 10-3 --
10 - 10
10.- 10. -
,- - .** 10
. 4 5 __ _ _ _ E0.
010.
- 10 -z 165
o. - 10-614. 1 0
166 106 0
.
65 10"8 I5- .
1 4 10 40 100 1 4 10 40 100%,. STEI AIOil 7 1 011 -t o
STRESS RATIO = STRESS RATIO = 10o
10- 10-1 10
.,.F 1
--30"
1,- 2i0
U10.2 10-
)10 1.)SA 10-3
10 E10 -5 10 5 10
-6-.________ __ _ __ 10. __~ V_1 . 4
10-
166- 1 ia-5
"1O: --=o1
10 10-6
I1810. 1 ,, I ,III 10"8 Z ~ l I iI,,, -
1 4 10 40 100 1 4 10 40 100" K (KSI ) AK (KSI V/7n)
04 Figure 8.11.3.11
8. 11-33
: ?:-:-
Downloaded from http://www.everyspec.com
7AI3LE 8.11.3.12
SUS~TAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.11.3.12INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINtl-I 7079CONDITION: T6
K MAX DAIDT (1Q**-6 IN/HOUR)(KSI*IN**1/2) q
A B C D
3.5PCT NACL
A: 5. 2 0 86938.-K . MAX B
MIN C:
D.
6.00 229024.7.00 313826.
A: 7. 20 332604.K MAX BMAX C.
ROOT MEAN SQUARE 4. 14
PERCENT ERROR
8.11-3
Downloaded from http://www.everyspec.com
CONDITION/HT: TO LMFORM: 1.9"TH PLATE SPECIMEN THK: 1.9OW"ALYSPECIMEN TYPE: 0CS SPECIMEN WIDTH: 3. 500" IORIENTATION: CRACK LENGTH (Ao)YIELD STRENGTH: K IsCc: 4.30 AlI (SQRT IN) 77ULT. STRENGTH: REFERENCES:84330
K max (MPA V~K max (MPA V-M4 10 40 100 4 10 40 100
0 ENVIRONMENT: 102 ENVIRONMENT:3. 5PCT NACL zIj
100 100
-101 101
100 100 ~
01001 E 0.E
10 10
10- -10
1002 1002 4
A10
10 10
1 4 10 40 100 11 4 10 40 100
@ ENVIRONMENT: 102 @ ENVIRONMENT: 102
101 101
1010 1010
100 100.
S 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _00 - -1 i0 2 1
C10 i0o EE
r5_ _ -0 3 103102 10-2
10' 5 10 5o
1 4 10 40 100 101 4 10 40 100Kmax (KSI %/in)Kma KI /
Figure 8.11.3.12 Ka KIvT
8.11-35
S. LA .7'7 A
Downloaded from http://www.everyspec.com
°° , . .. -
"IABLE 8.11.3.13
SUSTAINED CRACK CROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.13INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079CONDITION: T651
K MAX DA/DT (10**-3 IN/HOUR)(KSI*IN**1/2)
A B C D
E= R. 1. E= R. T. E= R. T.
BM NA I,-700MV 0 6i KI,-700MV 5M KF,-700MV
A:K MAX B:MIN C:
D:
200.00
A:K MAX B. .:. ;MAX C:
D:
------- ---------------------------------------------------------
ROOT MEAN SQUARE 0.00 0.00 0. 00PERCENT ERROR
8.13
'.,
8.1 -3
Downloaded from http://www.everyspec.com
S7
CONDITION/HT: T051FORM: SPECIMEN THK:I ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:S-L CRACK LENGTH (Ao):YIELD STRENGTH: K1SCC:ULT. STRENGTH: REFERENCES:78442 7079
K max (MPA Vi/m) K max (MPA Vm)4 10 40 100 4 10 40 100
ENVIRONMENT: R. T. 10. @ - ENVIRONMENT: R. T..8M NAI.-700MV -. 8M KI°-70MV
102 102
- 10 103
10 - 10-
102 102
C 101 101 Eam M E
* ~ o -- - 1-10- -
" __100 100 .0
10-2 10-2-10-'"-- 10 -1
10-3_ 10-3
10-2 10-2
10-I -10-
1 4 10 40 100 1 4 10 40 100
E©IFAMEU'TMvR. T.. 10' % ENVIRONMENT: 10'
102 _ 102
10 "- 101 - - 1 "103 103
.. __ 10, --0,10
100 100 -
- 10- 10' EE
'010-1 10.1
1 " _100 100
10-2 - 10-
10-310-10-2 10-2
1 - -7 1 - -. 10-
1 4 10 40 100 1 4 10 40 100Kmax (KSI vTn) Figure 8.11.3.13 Kmax (KSI 'n)
8.11-37
"+-"-,'.',,',*4 ', .'',-.,v.'. - '. ",'., ',, . , +. ,, .' ,2 .*" "', ".". . . .. ".". ". . -. . "- -".
Downloaded from http://www.everyspec.com
f- - 7
TABLE 8.11. 3.14
Ci-STAINF:D CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA %SSOCIATED WITH FIGURE 8.11.3.147INDICATING EFFECT
OF ENViRONMEN!--------------------------------------- --------------------------------------
MATERIAL. Al.L!M)Ni.JM 70979CONDITION: T,51
----------------------------------------------------------------------------
K MAX DA!DT (10**-6~ IN/HOUR)
*(KS I IN* v I /2)A1B C D
:Dl;T. WATERS OC 3X./DAY-3. 5NACL
A;K MAX B: 3.60 308.MIN C I
D:
-'..4.00 618.
5.00 2371.6.00 6209.7 00 12697.8. 00 21890.9. 00 33357.10. 00 46345.13.00 85651.16.00 113221.
A:K MAX B: 19.00 123028.MAX C:
D:
----------------------------- ------------------------------------------------------------
ROOT MEAN SQUARE 0. 00 24. 67PERCENT ERROR
8.11-3
Downloaded from http://www.everyspec.com
4 qIVi 1 7w 5
CONDITION/HT: T651 ALUM.-.FORM: SPECIMEN THK: 1. 0001, ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000"ORIENTATION:S-L CRACK LENGTH (Ao).YIELD STRENGTH: K scc:ULT. STRENGTH: REFERENCES:76442. 78313
K max (MPA Vi) K max (MPA V-m)
4 10 40 100 4 10 40 100I 1I 11111 1 1I' 1 11 11I 2 (iGN ENVIRONMENT:111
ENVIRONMENT: R. T.. -- o ENVIRONMENT:DIST. WATER.OC 3X/DAY-3. 5NACL
10° 100
101 101
0 10- 10
1 100 100S10-2 _ _--_ 10"2 0
ro1 10-2
Iu4
102 1020
10 3 03
10-4 -4
10. 10
1 4 10 40 100 1 4 10 40 100
© ENVIRONMENT: 102 ENVIRONMENT: 102
100 100 -
10 10
01 1'
10, 0 100
10.2 _ _ 10
.2 0 _- ..
0 010
1o-3 lO-_ _ _ _ _o- lo2
lo- - 110
-1 0 - -0 E102 100c
-- 1 1-10
60 6 JI ,LI,,I, I it l . I, -- I 6 ., I t I , I 1 I ,1 4 10 40 100 4 10 40 100
K ma x (KSI -,/-n) K ma x (KSI v/7)Figure 8.11.3.14
*l 8.11-39
Downloaded from http://www.everyspec.com
"."TATBLE 8.11.3.15
'r-r--v - -
rr_'v U'.-T -!N- D - ACROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
"-.0
DATA ASSOCIATED WITH FIGURE 8.11.3.15TNDICATING EFFECT
OF ENVIRONMENT
,,ATERIAL: AL UMINUi 701:79
CONDITION: 1651
K MAX DA/DT (1O**-6 IN/HOUR)(KSI*IN** i/2) , , fl C D
S E= fit.*"AIR
AK MAX B:MIN C
D
200. 00
AK MAX B
a MAX C"D:
ROOT MEAN SGUARE 0. 00PERCENT ERROR
.pp
-. °
"1 8.11-4
• "' -
!t• -a a t " .". r- ... " . . .'% * ~~. J % 1 - . . A '.r-. . ~ I
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 11. 800"ORIENTATION:T-L CRACK LENGTH (Ao).YIELD STRENGTH: 85.0 KSI KIScC:ULT STRENGTH: REFERENCES:85543 7079
K max (MPA V'm) K max (MPA V'T)4 10 40 100 4 10 40 100
I' I''I 1 111 1 1 11 11 2 ENVIRONMENT:1 111-ENVIRONMENT: R.T. - 10 - ENVIRONMENT:
. _ AIR, -1 0 0 1 0 0
10101 101
101 101100 100
010 2 10.2 -1 -
E10 10 10
. 1°3- -m eo
02 _0 2-- 4, __ _ _ _4 _ 10 2 _ __ _ _ _ _ _ _ _ __ 102
10 1010".r,10
- E9 10
4
10. 103
5 5 _________10 __ -10-5
:-..----_10 -- 10.4
100 100
-101 1
-.. ,101 -- 10"1-2 4 100 100
ENVIRONMEN 10" -- ENIONE 10_2 - - -
10 10
10 10
S1 2V 110
1 101"10 30
- 10~ii - 10- --211 .
'.. "'; 106 I , J~I, II, .I. , IL ,IL IJ - 10 4 , I 40, 100, I -1,4 10 40 100
• ,.Km x KS % ) Figure 8.11.3.15 Kmax (KSI v'T)10 -5 5
S. i - .. ,* -4
10"lb..6 , . '% - %
Downloaded from http://www.everyspec.com
TABLE 8.11.3.16
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.16INDICATING EFFECT
OF ENVIRONMENI
MATERIAL: A(.LMINUM 7079CONDITION: T651
K MAX DA/DT (10**-3 IN/HOUR)(KSI*IN**1/2)
A B C D
F= R. T F- R. I. E= R.T. E= R.T.AIR., 0PCT REL 3. 5% NACL AQUEOUS IODIDE, AQUEOUS IODIDE
HUM PH=O PH=I
A:- MAX B:
MIN C:D:
200. 00
A:K MAX B:
MAX C:".'-°j D:
* ROOT MEAN SQUARE 0. 00 0. 00 0. 00 0. 00PERCENT ERROR
_p.,
:.
. 8.1i1-42
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK. ALLOY* SPECIMEN TYPE: DCB SPECIMEN WIDTH: 1.800"
ORIENTATION:T-L CRACK LENGTH (A0):YIELD STRENGTH: 65.0 KSI K ISCC: 7079
*ULT. STRENGTH: REFERENCES:85543
K max (MPA V-M) K max (MPA V-m4 10 40 100 4 10 40 100
ENVIRONMENT: R T 10NIRNEN:R.T-AIR. 100PCT REL HUM - a 5% NACL
102 -102
1 03 1 03
101 -101
10Q2 102
c101 M 10' EE
10V 10010 C
1100 - 10-
10-' 1 0'
- .10-3 10-3
M 1
10-2 10- 0
1 4 10 40 100 1 4 10 40 100
© * ~ *110
102 -102
1 03 10Q3
10' 10
102 102
0100 -100-
c -101 10,M E
M 03V 100 100o
10~ -1021
1 01 10-'
1 0-1 - 10-3-10-2 10-2
10-l I I- il 10'4 LI~LL 1 i.~. 1 b11 4 10 40 100 1 4 10 40 100
Kmax KSI 'T~) Figure 8.11.3.16 KmxKS /)
8.11-43
Downloaded from http://www.everyspec.com
b,". . . . .
lABLE 8.11.3.17
,t-'-.TAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INIENSIrY FACTfnR
DAT :-SSOCIATED WITH FIGURE 8.11.3.17TNDICATING EFFECT
OF ENVIRONMENT
MATERIAL ALUMINl 7079
CONDITION T651
K MAX DA/DT (1O**-6 IN/HOUR)(KSI*IN**i/2)
A B C D
E= R. T. E= R. T. E= R.T. E= R T.-'v. -_002M KI, 0 02M KI, 0. 05M KI, 0. iM KI, -45or-v
-450MV -450MV -450MV
A:K MAX BMIN C:
D"
200.00
AK MAX BMAX C4--: D:
ROOT MEAN SQUARE 0. 00 0 00 0. 00 0. 00PERCENT ERROR
4 ,
•..
% . '°~.
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM: 1. "TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:T-L CRACK LENGTH (Ao):YIELD STRENGTH: Kisc: 7079
- ULT. STRENGTH: REFERENCES:85543
K max (MPA V'm) K max (MPA v"m)4 10 40 100 4 10 40 100
- ENVIRONMENT: R. T. . 10? - ENVIRONMENT: R. T..0- 002M KI, -450MV Z0 0.2M KI, -450MV
100 1 100
101 10110 1 ___
l_
10 -1 -- 00
10 1010
-2 10.2 10
.- 10- - 1 - 1
___'______ - 10 -
10-2 10-3
10 10-3.5 - -5 _,.,,u-__ ___
10_",_ __- -- 0 10
i.. 10.6 I i I4 10-6 1
1 4 10 40 100 1 4 10 40 100
@" , I ' I IllT IT - '1 1 2(t) I I l ' l 'ilq I I I I 1 1 -©.ENVNMNT: R. T. 102 E 10R. **ONT R. T.. 0
-- 450MV 450MV_ 100 _ 100
-- 10 1 10,
1.10 0 010cI 1
10C1 10 10 E010.2 10-2-..- 1,--oE
c 100E
-:;' iO"oO
": -3 -3O- l -(U,.;." -.- 0 2 -0 2
S10 10 10
5 5'
S-! 0i0-
10..0 10-4
.,,. 10'6 ] ,[ ,1 I I h h 10-61
.'.;. 1 4 10 40 100 1 4 10 40 100"'% K max (KSI /')K mx(KS1 v/T'n)Km"x K ) Figure 8.11.3.17 max
8.11-45
",'* .. . .",,9. .,% ' ,www . ,... . ,. . . .... ,... .z .,, "-"- '"-. ."-,' ' "- ' "-". "- ' -" -- " ' - ---. .,.,
Downloaded from http://www.everyspec.com
1ABLE 8.11.3.18
oe' S-USTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
- DA.. ASSOCIATED WITH FIGURE8.11.3.18INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079,
CONDITION. T651
K MAX DA/DT (10**-6 IN/HOUR)(VKSI*IN**1/2)
A B C D
E- R T. E= R. T. E= R.T.0. 2M KI, 0. 5M KI, 2M KI,
- .- 450MV -450MV -450MV
A:-" K MAX B:
MIN C:D:
20000
• A:
K MAX B :4MAX C:
D:
---------------------------------------------------------------
ROOT MEAN SQUARE 0.00 0.00 0. 00PERCENT ERROR
4.-,:
.
oil
8.11-46....,.. . . . . . . . . ..,* - -
Downloaded from http://www.everyspec.com
CONDITION/HT: T1551ALMFORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:T-L CRACK LENGTH (A0):YIELD STRENGTH: K iscc:ULT. STRENGTH: REFERENCES:85543 77
K max (MPA Vmh K max (MPA V/'m4 10 40 104 10 40 100
-ENVIRONMENT: R. T. * 102 ENVIRONMENT: R. T..-0.2M KI. -450MV 0.5M KI. -450MV
100 101
100 100 o
0_______ 0
E
10. 2 10,2.
i0~-310 ~10'
10* __ _ _ ___5_ __ _ _ 10'
*1 4 10 40 100 11 4 10 40 100
© E- %19PPMENL R. T.. 102 @ ENVIRONMENT: 102
101 101
10 1010
10 10 6
c10 10 E
V 102 10-2
4 -o
4
10 10
4 1 40 101 4 10 40 100Kmax (KSI -,/in) Figure 8.11.3.18 Kmax (KSI y/in)
8. 11-47
Downloaded from http://www.everyspec.com
. . -. • . 2 • .• " .
TABLE 8.11.3.19
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.191NDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079
CONDITION: T651--------------------------------------------------------------------------------------
K MAX DA/DT (10**-3 IN/HOUR)
(KSI*IN**1/2 )A B C D
!E = F= E= E =
3M K!: 221F: 3M KI:. 201F, 3M KI, 176F, 3M KI, 156F,
-450MV -450MV -450MV -450MV
A: 2.90 82.9
K MAX B:MIN C:
D: 4.00 .70
3. 00 124.
3.50 502.
4.00 1080.
5.00 2167. 43.2
6.00 3109. 264.
7.00 4633. 1740.
8.00 6976. 3093.
9.00 8905. 3726.
10.00 9784. 4031.
13.00 9372. 4015.
16.00 9096. 3921.
A: 18. 50 10477.
K MAX B:MAX C:
D: 17.90 4111.
ROOT MEAN SQUARE 22. 88 0. 00 0. 00 30. 16
PERCENT ERROR
8.11-484 - .
Downloaded from http://www.everyspec.com
CONDITION/HT: T151 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION: T-L CRACK LENGTH (Ao):YIELD STRENGTH: K iscc: 7079
" "K'" ULT. STRENGTH: REFERENCES:85543
K max (MPA v'm) K max (MPA v"'m)
4 10 40 100 4 10 40 100
ENVIRONMENT: 104 ENVIRONMENT:3M KI. 221F. -450MV 3M KI. 201F. -450MV
102 102
103- 103
101 -- 10,
102 102
0100100,., -
10 110' EM E_ -- _--
1 - -,- 10-' __,,-- -
-- 100 - 100° C100
10-2 10-2
10-3 10-3
10-2 - 10-2
10 "4 Io- , ,mn * I ,I = m -I - I ,I l l I ,I l l -
1 4 10 40 100 1 4 10 40 :00
'10101 PQNE~L -qIL 101
Ki4 p. -7,5 F, -.0 EM, pM F.I'F 1045"MV
102 10
--o -0 -3
1010 1010
010 gem -10
010 10000c 10 1 - 10' E
1101010-
_____ _____ __ -0100.10-1 10-2
io-10 10 i- -..J1JLW.L
- 4 10 40 100 1 4 10 40 100Kmax (KSI -,fin)ue .1.31 Kmax (KSI Vin)
8.11-49
~~~~~ . .* . . . . . . . .. .. . . .-- [] ---
Downloaded from http://www.everyspec.com
%. TABLE 8.11.3.20
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
6: DATA %SSOCIATED WITH FIGURE8.11.3.20 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7079CONDITION T65J
MAX DA/DT (JO**3 IN/HOUR)(KSI1*IN**1/2)
A B C D
E= E=~ K. 1C~ M I, 70F? 3M KI, 37F.- 3M KT.. 2F
-450MV -450MV 50MV -45~0MV
A:K MAX B:
MIN c:D
453 200-00
A.K MAX B:
0
MAX C:
ROOT MEAN SQUARE 0.00 0.00 0.00 0.00
PERCENT ERROR
'S.Z
8.1 -5
Downloaded from http://www.everyspec.com
CONDITION/HT: T551 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:
,''..".'.ORIENTATION:T-L CRACK LENGTH (Ao):
YIELD STRENGTH: K Iscc:ULT. STRENGTH: REFERENCES:85543 7079
K max (MPA V7) K max (MPA vrm)4 10 40 100 4 10 40 100
ENVIRONMENT: 10" ENVIRONMENT:3M KI. 113F. -450MV 3M KI. 70F. -450MV
102 102
103- 103
101 10'
_102 102
o 100 100 0 0
c 10' 101 EC3 E1o-' --- _ 1 -
- 10-V0100 100 _0
10-- - 10-2
10 4 0o0
S10 0 10
-10 10-2
10i.......L.LL..J - 10_ -.. LW
1 4 10 40 100 1 4 10 40 100
EqIqppM ET M 10' @ E 10'--10 10'
-- -__103 -- 1 10
- 101 - 10
'.102 102
0000- -100 0
1 00- 1 10' E23 E
.- .- - 10-' - MV - 1 0 10
100 1
010- 10-3
1 - - 10-0 - E 1010-2 10-2
0I I ll lia - I I I' a 1 l0l
4 10 40 100 1 4 10 40 100Kmax (KSI VT'n) Figure 8.11.3.20 Kmax (KSI -/'n)
8.11-51
,r , ". .' --" ,' -il, ,' - ," " - . ," - . . -" -" . ." -" - . " . "- . ". -" ." -" •*.~ . - . -. . ... .. - ".
Downloaded from http://www.everyspec.com
- -~ TABLE 8.11.3.21
SUiSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.11.3.21INDICATING EFFECT
OF ENVIRONMENT
* iATERIAL- ALUMINUM 7079-: CONDITION T651
K MAX DA/DT (10**-3 IN/HOUR)(KSI.UIN**1/2)
A B C D
E= R.T. E R, T. E= R. T. E= R. T.5.OM KI 5M KT, -350MV 5M KIb -450MV 5M RI, -635MOC)
A: 7.50 1.71K MAX B: 5.20 3.54MIN C:
D: 6. 10 130
6.00 325.7.00 2027. 40.28. 00 4.80 2545. 317.9.00 8.71 870.10.00 : 10.7 1326.
*13.00 11.6 1306.
A: 15.00 11. 5K MAX B: 8.00 2545.
MAX C:D: 15.00 1220.
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ROOT MEAN SQUARE 2. 82 40. 87 0. 00 36. 57PERCENT ERROR
Downloaded from http://www.everyspec.com
: - -ot . - , . % , - .. , - . -.- - . . - . . .. . " .. , . . , . . , .. . -- . 2 , . °
CONDITION/HT: T851 rALZ.IFORM: 1. 0"TH PLATE SPECIMEN THK:SPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:T-L CRACK LENGTH (Ao):YIELD STRENGTH: K ISCC:ULT. STRENGTH: REFERENCES:85543 7079
K max (MPA V-m) K max (MPA -m)4 10 40 100 4 10 40 100
- ENVIRONMENT: R.T.. @ 10' ENVIRONMENT: R. T. .5.01 KI 5M KI. -350MV
102 1021 03 10Q3
10'-- 10'
-100- 100 00, 10'E
,'., E
.10- 0-10-
10' -100
10-2 -10-2
10-' 10-'
' --~ -- 1'- - 10-s"
10-
10-2 10--
10-- 1 - .- 10-1 4 10 40 100 1 4 10 40 100
1111 1 I 1 1' -+ I 1 ' I 1II I 1 I'1I 'I@I IE ; T T .0 ' __ 1 0 '
- 102 102
1 03 10Q3
10' 10'
102 102
0 100 100 - O
C,: 6 10' 10' EE
10 - 10-' -. 100 -10 0
10-2 10-2
10-1 10-
10-3 - _10-3
10-2 10,2
..;j 1 4 10 40 100 1 4 10 40 100• .. ,' K ma x (KSI 'Tn) K m x (S /nmxS Figure 8.11.3.21 max (KSI -,/i)
8.11-53
A -- -- .
Downloaded from http://www.everyspec.com
TABL-E 8.11.3.22
SLi.TAINEIC CRAC CROWTHj RATES AT DEFINED LEVELS
OF STRESS IENSITY FACTOR
DAlA,: ASSOCIATED WITH FIGUR~E 8.ll.3.22INDICATING EFFECT
O)F ENJVIRONMENT
MATERIAL ALUMINYM 707CONDITION T651
(MAX DA/D"T (10**- IN/HOUR)(KSl*IN**1 /2)
A PC D
E= R T E= R T. E= R. T. E= R. T.K3 -e00 -BC'V 5M K-1 -e50MV 5M KI, -900MV 5M Y, -50M
AK MAX B:
MIN C:
D.
200.00
AK MAX B3
* -MAX C:
2 D:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- ROOT MEAN SQUARE 0.00 0 00 0. 00 0. 00PERCENT ERROR
8.11-54
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1. 9"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:TL CRACK LENGTH (A0 ):YIELD STRENGTH: K iscc:ULT. STRENGTH: REFERENCES:85543 77
J~ ~,*K max (MPA VM~j) K max (MPA Vm)4 10 40 100 4 10 40 100
ENIOMN:R. T. 20 ENVIRONMENT: R. T..5M KI. -800MV z5M KI. -850MV0
101 10
10 10 1010
00 010 10
-~10ID10
E- 3
2 1010- io-
10 10-o3
~~1 1010__ _ __ _ __ _ _3_-1
10 10-
1 4 1(1 40 100 1 4 10 40 100
© N PLpME . T.. 10 ® 9IL MRT. 102
10 10
1011
10 0 10 0
~ 2 -i2 - 0
aI3
lo i 3 -o 3_ _ _ _
10' 10-' -4 _ _ _ _ _ _ _ _ _
100
10-4 10-4
10 6 1 Id I 3 1 o111 10 101 4 10 40 100 11 4 10 40 100
K max (KSI -,/in) Fgr8.-13.Kmax (KSI v 'i)
Downloaded from http://www.everyspec.com
41 ~- ~ -
IABLE 8.11.3.23
SUS5TAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRFSS INTENSITY FACTOR
* DATA ASSOC IATED WITH FIGLJRE8.1I.3.23 INDICATING EFFECT
O1 ENVIRONMENT
MATERIAL: ALOMINUrI 7071.?
CONDITION: T651
K MAX DA/DT (I0**-3 IN/HOUR)
A B C D
E= T. E= R. T. E= R. T. E= R. T.5~- K'~ 000M'-- 3, 4M KCL 3.8M KBR BM NAI, -4=-0MV
A:K MAX B:MIN C:
D
200. 00
A:K MAX B:.MAX C.
ROOT MEAN SQUARE 0.00 0. 00 0. 00 0. 00* PERCENT ERROR
* 8.11-56
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOY
. SPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION:T-L CRACK LENGTH (Ao):
S ,- YIELD STRENGTH: K iscc:7ULT. STRENGTH: REFERENCES:B5543
K max (MPA V'm) K max (MPA Vm)
4 10 40 100 4 10 40 100
5M KI. -1000MV -3. 4M KCL-- ENVIRONMENT: R.T..o -= 10' - ENVIRONMENT: R.TL.o
102 10
S- 10 1 10
010 100 -10
', 10 102 E
-100
C o10 101
-- 0-10 --
."'.'*"0 - - E
10-2 10Q-
(C3_l 10 01 a] 10OO
10-' __ 10-'• - I0-2 - 10-2
-'1 10-4 , , I , I l 10-4 1 1 I , I,11, 1 I I
1 4 10 40 100 1 fl 10 40 100
"-' WT: R. T., 10' -- E@ INE R. T.
102 102
10Q3 1 03
lot - 10
102 102100.-,100 _ _ _ _ _ _ _ _ _ 1 0
E10 ,-- -__0 - 10-1 ,
. 100 100 C-
1 -0" -1002
S-- 10' 10-1
10 - _ _ _ _ _ _ _ _ _ _ 10-3 1
10-2 10-
,10 40 100 1 1 4 10 40 100
Kmax (KSI 'T Fiqu re 8. 11. 3. 23 Kmax(KIvT
,...-............................................................,..-...............................................-J.....0-
Downloaded from http://www.everyspec.com
i *. * p..
TABLE 8.11.3.24
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.11.3.24 INDICATING EFFECT
OF FORM
MATERIAL: ALUMINUM 7079- CONDITION: T651
ENVIRONMENT: 3. 57. NACL
* . K MAX DA/DT (10**-6 IN/HOUR)
S. "(KSI*IN**1/2)A B C 0
T(IN)= 1.0 T(IN)= 1.5 T(IN)- 2.0* . • PLATE PLATE PLATE
A 2.40 365.K MAX B 3. 70 449.
MIN C 2.80 164.D
2. 50 573.3.00 2R16. 218. ,-3. 50 " 6754. 430.4.00 " 10931. 806. 799.5. 00 16247. 3639. 2323.6.00 • 18045. 10271. 5506.7.00 " 19011. 21381. 11054.8.00: 20818. 36079. 19406.
9.00 :24517. 52335. 30552.10.00 :67826. 43987.13.00 " 88051.16.00 116680.
A 9. 50 27442.K MAX B 13. 00 94452.MAX C 18. 50 119909.
D:
ROOT MEAN F0UARE 25 56 9. 41 23. 56PERCENT ERROR
.
8.11-58
I ON
"',S..,
Downloaded from http://www.everyspec.com
ONDITION/HT: T155 AUMENVIRONMENT:3. 5% NACL SPECIMEN THK: 1. 000", ALLOYSPECIMEN TYPE: OCS SPECIMEN WIDTH: S.500- 5. 000"ORIENTATION'S-L CRAC!.. LENGTH (A0).YIELD STRENGTH: KISCC:ULT. STRENGTH: REFERENCES:e4284. 76313 7079
K max (MPA Vm) K max (MPA vl/m)4 10 40 100 4 10 40 100
FORM: 1. 0TH -- oFORM: 1. 5TH10 PLATE 0 PL00
101 101
10 10 - 1
100 100M -2 WAD_ __ 20c 11 -16
-c 10 10 EE
- 10-2 10
10- 10- 11 440 4 0 __________
10 - 100
10 -3 10 -3100 10
0104 0-
10 10 61
=~ I 11 1 111 ,1 - 2 2~
0 PLATE1
10 10
101
Downloaded from http://www.everyspec.com
-ej
TAi;I_ 8.11.3.25
E9JUTA!r.ED CRACK CRfwTH RATES AT DFFINED LEVELSOF STRE.St INTFNSITY FACTOR
DAFA ASSOCiATEL! WITH FI-UPR 8.11.3.25TNDICATING EFFECT
J- FORM
,ATEPIAL- At UM]Ni.itl 7.79
CONDITION- T65J-50HR AT 3OPENV IR ONMENT R T
K MAX DA/DT (10**-6 IN/HOUR)
A B C D
T,)'N)= 1.(:'I h~PLATE
. .p:
A: 9, 10 174K MAX B:MIN C:
"-- D
' 10. 00 402. ,
13, 00 38038.
16. 00 708032.20.00 761290
A: 22. C0 976050.K MAX B
" MAX CD
ROOT MEAN SQUARE 38 72PERCENT ERROR
8.11-60
..- >.- .
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 50HR AT 320F ALUM.ENVIRONMENT: R. T.. SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION T-L CRACK LENGTH (A0):YIELD STRENGTH: Kiscc:ULT. STRENGTH: REFERENCES:85543 7079
K max (MPA ,/-m) K max (MPA Vm)4 10 40 100 4 10 40 100
12FORM: 1. 0"TH FORM:
10 ° PLATE 0"-1 1 0__-___
10 0 10
0I 0
10 10-*~~ -20__" .10 10" - 0
10 10-""13 E
V. 0 10 1O2S10 lo-
10 s I2,_ 1,1,1 , 10-o 2
-4-
0 1040100
FR:FORM: __10 2
100 5 100
101 0- 101
10 - 10 410 0
10 10 .@ ~2
io- -" 10 - 10-
10
"2 7-1 . 2 1 . 2 "
iol 0 - -i ........... LL~ - - "tE 1 4 140 1 10 - 40
::.0 10 3 0 4 --- "10
.
Kmx KS v h Figure 8.11.3.25KmxKS q
-=, 8.1ii-61
. ,,
-10 10 -- -,4__ :.~* .- c
Downloaded from http://www.everyspec.com
TA13LE 8.11.3.26
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
UATA AS0CIATED WITH FIC-URE8.11.3.26 INDICAT ING EFFECT
OF FORM
M'ATE.RIAL: ALUM1I-tuM- 7C. '79;CONDITION: T65J-500HR AT '320FENVIRONMENT: RT
KMAX DA/DT (10**-6 IN/HOUR)
A 13C )1
T(IN)= 1. 0'PLATL
AK MAX B.
MIN C:D:
200. 00
A:K KMAX B:
*MAX C:D:
ROOT MEAN SQUARE 0.00* PERCENT ERROR
8.1-.
Downloaded from http://www.everyspec.com
F CONDITION/HT: T851*500HR AT 320F ALUM.ENVIRONMENT: R. T.. SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION T-L CRACK LENGTH (Ao):
. YIELD STRENGTH: Kiscc: 7079ULT. STRENGTH: REFERENCES:85543
K max (MPA V) K max (MPA V )4 10 40 100 4 10 40 100I"- 1 1 1 1 0 t 2 1 1 , 1 1 1 1 11 1 1 -
FORM: 1. "TH -- 1 FORM:100 PLATE 100101 101
*~1 10-U -- ,1:: -1 0 " .............
10100
102 10-2 _0c 100 -10
-3 -31o . 1 10-
10.2 10-2 2r.-." 1 . 4 10
10- 10"4
."..10-3 10 3
____ ____ __ ____ ___ __ - io3 10-s
10 __ __5_ _ -51
10 10
." 10-6 1 1 1 1 ill I 1 1 1 , 11 10-61 lF ~l 1 1 11 1 11l1l,
14 10 40 100 1 4 10 40 100
I I= 1 ,1 1 1 II,,,, I 1I T , ,,FORM: 102 FORM: 1020 0
10 100 ___
,:'V 101 101
100 00
10-2 -2 - 0
- 10 1 0 E10
.3 _ _ -10- - -
o 102 110.2
10-2 iO-2
10 . 3 1 -- - 1 .
10.4 410
1 ,-4010 40 100 1 4 10 40 100
::% Kmax (KSI V/ ) Figure 8.11.3.26 Kmax (KSI V/ )
18. 1-63 10. .-
10 16
" .,.. _ .. . . . . .1.. . . . . . . 10 1 .. 10. ,4,0 . . .10,.0-, . . : : ; , ;. . , . . ,.-. ". . . = . . . " . . '. o-- .. - . ..- . ,% .. - . . .-.. , , . - "% , "% , .',
?: ~~ma (KS 7n" _% - ••--., , ) K', max -KS - ' ."'," " r t
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0. 0 PD, - a) D m
w I tv )rl r m m m mU. M~ mll ' mC mC (n a -w W w v' 4 w wC 'C 'C V CD
cc W 00 W CD M M D ND
j I CD K ?' W m m V
1 0 1001b0 W Nm rd R
4 -4
rd 'C
I .0
LZ - I - .
1 0 1000 1 0 0 0 9 1I IN'C000 0 N 0 0
-'2 I0000 0 0 0 0
NI I
Il 0 I 000 I 0 0
o~~t NZ ii I n
-4I
Iz II
I-CC I m ow. I--
IW*~t I 1 0 0 I I. 0 I10-
I 0 0000 I 0
Z~- 0 000 0 0 0
Is 0 000 I 0 0 0 0 I
t~- 0 1 000000 0 0 0 0 I
I Iu 0 0000 D 0 ) 0 0 0
II rIL I W a. I L I t
I J0I- .LL-
I z1 - OLI
0~~8 11-G4II 0
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m, (1 1 n )m f l)r - ),nMM F f n mf
ILI' i r ar dPu F N r ,r arur lc , r, ( -
4LL)
I U)~d~d er u'~~j rcr uu~ fjCj~~lC , Ul
4
- . -w
Ill IlW N88( M- r , rWM n0 n Mo K(1 ro-a V' CD nO -0N0 MC0 n H0 r,-0N ID 0.D 0, t '0 U g c-.0 q8'IIN . - (V ginVI - 'D n
zc I N .0K Q0 .0 a 0 00- V.0- P., &r - a-0 .O0tnmr r 0-0w
>o4w-0
-ZZ I rL <
-V 0 " 0
M I V0 a .8'.0-.0N V 1 -0 M - (V 0 D. 0 'r 0D 1, 00 N - 0V1 -4IL Noomm*- MV8 4)l #V0 In tVr t, ntV - W ) 0Wl0C 0 ? j r , r
0.~W0 - 0 M'Ir ) W -0 -00 r .01' OD -- 0 (D ( --- (Y-0 En
IrI t r i in44 8 WlW Wll WW In vIn I WlIn mM 0~t~l'84 8
0C~l !~Ij 000000 00 00 00 000 000 0000000 00(nI X- 1 Z .0 N .0 .0 N 0 08w 4f8 0I nr' 0 N'08' t)8IO COM N'-0 2w w4 in4 4w 4I Z a. I-0or-u W w8 'D? .0CI #4' ' C 01.0.0.0 & n IrjJ
MI WI
0 to to I IL I I I I I I I I I I I I III I I I I I I I I II
4.J 0O- C 0-S U z
-j ZIJ 0000000 8'If m10 v; 8'8'f 8- 000W0Z 2 .a J4 I- 4 (0 0 m04v(0.0 N41 w 1 n C Oml 4 D M M (V in CD .f M a LU
z I I124. wi (0-td00- 00 M 0 N IV -0-0 000 -0 D.0. ID.0- V40 2
0 j I Id 0f,- c 1 t i- 0 nn wN 00 00 00 rd Mn n W ri in WfIn PaCD V P 00 z
ul-ZO UN (f - - -- 0 1 0 M 0 ibr n innD' rgl( (vlE -.I -- - D,0v --- '0 .0 .0 0.0.0 -- N( N CN - '0 4 .0000.0 111N. UJ
1)1 (V U 0000000------- ---------------- --- 0000000 -- J4
x I " a000- 0,00 V 0 0,ID m0 PO M N N K 000 N N N (4*0- ID. 0 0-0IU a 0 .0 .000.0 .0 00 onn oo m m llf m.M0.0-..0 404.0.0 0-
00 Z- Z1 0 0000000 - " 00 00 000 000 0000000 - - x666666 ooooo oo 6o 00 6 66o 66oo6 oooo C,!
z
tLLA-' 0000000 00 00 00 000 000 0000000 00WI-Z Im QO0 000 00 00 00 000 000 0000000 00 (n*E-1 3 12 U000000 00 00 00 000 000 0000000 00
w LL
ID 1 4 ( 0'0 - -0 m- m0VC 000, 0N'N N
0
wID I- P- -w I-m I'- L-
I m 0 cc OL
I 0000000 -- 00 00 000 000 0000000 -w000-0 00 00 00 000 000 0000060 00
IL) EI) U I) M E) ED) 0C) 2
z I4z
8.12-1
Downloaded from http://www.everyspec.com
-9 m &' m -n r) M m m M m cn m m
K -c.. ' . ... .7 - 1 - -. -o
w I nn m C)nfn nnrr r)Mmm lm m iI , NCV tdurr N CK P. I(N td(VtiI ucuK P
-- ---- --- - -m mm- -mm -
* Z
00 . NO I 1* .1 1MW .NM MQ VN I
le w -'z i I I;
z J I rI I I
IXI
I 00 0 r NCCMDNr- Nt-
uj 00 0000t 000WE0O 0-0
v > w i -Ir cJ I I oCl,3 I ,
-'2 I IINLw m i in i I1 - I I 0
4. -C w~ C0Of Xl. D Es' I
as 'CO (dOl Wiii- 0V- o
LL) M- .P r. . Id M I--00 ti a-r :nnm ooE- wE in K
*, tj I I 02cI ' L 00 0000 000000 00t
Z w Cx I NO.M 4 0W r MrNt-i oN I 2U<Icn - 0 . ~ -Cv r r w V
I U NI v vm mnm mmmmmm D.
*~ I i
U Q-.4 11 IAC 000C0f 0o000C rus0
2'-- 0 0 0 0 0
MM NNNN --MM w
3c 414 4 0 . 4 L11!
0I I I 0
UiZ0I~ ~~~~~ U -lP0m flN20 -r
*I WI .
I M.
I000 0000 000000 --
! -I 00 0000 00000 00 1
ILU
a -' I ) rtn u U- mm En
- I LO0
I I II LU
4' 4' ' 4' L
in. 8 .12 -2 I
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°*.-- -
U) 00 N
15 11 I). t v I
9- I
I U I
0 0 00 0I
I .-
U
zI I-w 0O 0rv 00
- Z, 1 00 mD. mt
*
00, 1 OP, Kr
L3
U : I 00dC 00 00f 1
w5
I00 00 00
- x
a - : I 00 c 00 00
8,302 (1 -r I
1La 2C 04 00 in
1
*..' I
-ion IIn I
NP.8 13-1NP
Downloaded from http://www.everyspec.com
TABLE 8.14.3.1
RATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.14.3.1 INDICATING EFFECT
OF ENVIRONMENT-------------------------------------------------------
MATERIAL ALUMINUM X7090
CONDITION. T7FAq
DELTA K DA/DN (10**-6 IN. /CYCLE)"(KS.lIIN* I/2
A B C D
E= R. T. = R.I.
NITROGEN GAS 3. 5% NACL10-20HZ . 13-. 20HZ
A' 3. 53 1 39DELTA K B: 3. 77 6.82
MIN C:D:
4.00 1.88 6.82
5.00 3.30 12.66.00 5.78 26.0
7.00 10.4
A: 7. 30 12.6
DELTA K B 6.31 28.9MAX C:
D:
------------------------------------------------------------------------------------------
ROOT MEAN SQUARE 13. 68 21.67PERCENT ERROR
------------------------------------------------------------ -----------------------------LIFE 0.0-0. 5
PREDICTION 0. 5-0 8
RATIO 0. -. 25 3 3
SUMMARY 1. 25-2. 0(NP/NA) '2. 0
* 8.14-2
-a.:
Downloaded from http://www.everyspec.com
CONDITION/HT: T7E69 ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH: 60. 0- 70. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:
. ORIENTATION- S-T SPECIMEN THK: 0. 508- 0. 510".,-. STRESS RATIO: +0.50 SPECIMEN WIDTH: 1. 028- 1. 030" X7090
FREQUENCY: REFERENCES:MRO0 1
&K (MPA V A K (MPA ./m)4 10 40 100 4' 10 40 100
ENVIRONMENT: R. T. . 100 ENVIONMENT: R. T..NITROGEN GAS 3.5% NACL
162 10-20HZ 10-2 . 13-. 20HZ100
1 o3:- _ _ _: .. -- " - 1- lo---1 "
: . 103 -103
S102 - 10.2Z
4 44
V. -- ___--__ - --u -0
6 101o
10 E
10 ___5__ _ -7 __ _ _ _ _ _ _ _ _ _
_10 __
10-6 10 .
1i8 10F81 41 1 100E1 4 10 40 100
- ENVIRONMENT: 100 ENVIRONMENT: 10
-62 1-210 10-
- _-
110- 10'
= .- 10.2 106_
4 41- 10 U
c. '3 3E0 10 10 E
- 1 -V10-3 - 1-4u 010
--6 --6610 - 105 1 .
10 -- 107-S10 "6 _ .=10.6
N 1 4 10 40 100 1 4 10 40 100&K (KSIVi'n) AK (KSI v/Tn)
9Figure 8.14.3.1
8.14-3
.v-,
Downloaded from http://www.everyspec.com
ft
ILn
~ ~*4.
j 0~ 0 U
at- 0Lw zi rd
I-nIni
2 0
.J000
'p7 z
CL. N IcH w LL
48.15-1
Downloaded from http://www.everyspec.com
TA14LE 8.15.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
-',, DATA ASSOCIATED WITH FIGURE 8.15.3.1 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM X7091CONDITION: T7E70------------------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
• E = R. T.-, • NITROGEN GAS
A: 3.06 .496DELTA K B:
MIN C:D:
3.50: .8164.00 : 1.31
5.00 : 2.746.00 " 4.857.00 - 7.748.00 : 11.59.00 : 16.310.00 : 22.213.00 : 48.4
A: 15.71 : 86.4DELTA K B:
MAX C:D:
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 19.83PERCENT ERROR
-------------------------------------------------------------------------------------------------------------LIFE 0. 0-0. 5
PREDICTION 0. 5-0. 8RATIO 0.8-1.25 2SUMMARY 1. 25-2. 0(NP/NA) >2.0
8.15-2
• 't ;, . i, .. ,, - ,-1- . ,-. " " " ' " ". . . . . . . . ." " ''
Downloaded from http://www.everyspec.com
CONDITION/HT: T7E70 ALUM.FORM: 1. 0"TH PLATE YIELD STRENGTH: B0. KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 73.2 KSIORIENTATION- T-L SPECIMEN THK: 0. 510- 0.513"
,: STRESS RATIO: 0. 50 SPECIMEN WIDTH: 1. 032- 1. 033" X7091!, FREQUENCY: 20.00 HZ REFERENCES:MR001
AK (MPA /-Wm) AK (MPA Vr/')4 10 0 1 4 10 40 100
IT*V. N .12 1 100 " ENVIRONMENT:
16i2 10 i 2
- 10-1 10-1
o. 3 - 1o3
10.2 10-2 0
- 10 s --
z E
ds- 10 - z--4
-s 1
10 110
10 s -
10 -o _10-6 10o.6
I8 1 I hl I I I i lFh -- 1 - ,,i I,1 I1"1 4 10 40 100 4 10 40 100
t;:% 1 1 1 1 1 1- ?I ' I I I I '- - I' PIII -t
%w ENVIRONMENT: 10o @ ENVIRONMENT: 10o
-2 2
101 10.1102 103 E
_____--__ lO5 - E 1o105 _ __1
V toV 10 11074
". ,- 6- "-6 I ' _
110 10l
107-- 1 .
106 10 .6
-6 --- -10 . ."..".--L.--.L10"J 10 -- 10"4I ....... L.O.L "i
1 _ 10 40 100 1 4 10 40 100A1 K (KSI ',i/n) AK (KSI ). Figure 8.15.3.1
8.15-3
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1ABLE 8.15.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.15.3.2INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM X7091CONDITION: T7E70ENVIRONMENT: R T. ,NITROGEN GAS--------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C DR= -0.10 R=+0. 50
A: 6.32 • 3.11DELTA K B: 3.10 .566MIN C:
D:
3.50 .9294.00 1. 515.00 : 3.076.00 5. 137.00 4.29 7.738.00 : 6.51 11.09.00 9.40 15.1
S10.00 13.0 20.313.00 29.2 46.116.00 : 55.3 100.20.00 110.
A: 22.48 157.DELTA K B: 16.82 124.
MAX c:"-' -'. D:•
ROOT MEAN SQUARE 4. 64 14. 64PERCENT ERROR
- - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - ----------------
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25 1 2SUMMARY 1.25-2 0 1(NP/NA) >2. 0
8.15-4
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CONDITION/HT: T7E70 ALUM.FORM: 1. B"TH PLATE YIELD STRENGTH: 80. 0- 70. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:ORIENTATION: S-T SPECIMEN THK: 0. 483- 0. 515"FREQUENCY: 20.00 HZ SPECIMEN WIDTH: 1. 021- 1. 034" X7091
S. ENVIRONMENT: R.T.. NITROGEN GAS REFERENCES:MR001
&K (MPA A) AK (MPA V/ i)4 10 40 100 4 10 40 100
STRESS RATIO = -0. 10 -1o STRESS RATIO = . 50
O10 1o
10F3 F-3
10-2 i oo2"i +o. +.10'3 10.3 E
i 3
10 E
1-- 10-____1 Ad "
10F7 1 O-I16-6 -611
101 _______ 00
1 4 10 40 100 4 10 40 100
t-.-% = I , *1 11* 1 , 1 t 11111 1 11 -
STRESS RATIO = 1 STRESS RATIO= 10o
12 102
10-10-
10. - 10 3
10.2 102• .. ,% i cr 4
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AK - -- 1040100 0.
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lO ro lO 1lO ,o lO
AK (KSI vin) Figure 8.15.3.2 &K (KSI vyTn)
8.15-5
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1ABLE 8.15.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.15.3.3 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM X7091
CONDITION: T7E70ENVIRONMENT: R.T .3.5% NACI.
DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 10 R=+0. 50
A:DELTA K B:
MIN C:D:
,,.-. 200. 00
A:DELTA K B:
MAX C:D: -
ROOT MEAN SQUARE 0.00 0.00PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25SUMMARY 1. 25-2. 0(NP/NA) >2.0
.1'5
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CONDITION/HT: T7E7Z ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH: 50.0- 70.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:ORIENTATION: S-T SPECIMEN THK: 0. 485- 0. 513"FREQUENCY: 0.20 HZ SPECIMEN WIDTH: 1.032- 1. 040" X7091
- ENVIRONMENT: R.T.. 3. 5X NACL REFERENCESt4R001
AK (MPA /m) AK (MPA ,/-m)4 10 40 100 4 10 40 100
STRESS RATIO = -0.10 100 0 STRESS RATIO = +-. 50___ ___ ___ __ ___ ___ _ -o2 __ _ _ _ _ _ _ _ _ _ _
10- -" 10-
_10 .1 10.1
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10 - 10
1 OF 1 10-
10 10-""10613
1. -1_0 -7 010 ......o-.L.LLL LL . i L I - 10-5 ....... .L.L L L
1 4 10 40 100 4 10 40 100
STRESS RATIO = 10 STESRTO 0
1-2 162_______ -2
10 - 10
o310.1 10 .
-10-2 10- -S.1-10 .
4 4 z
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1 4 10 40 100 1 4 10 40 100- 1,."./ AK (KSI V'm) Fiue81533AK (KSI V'7n)
8.15-7
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TABLE 8.16.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.16.3.1INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7149
CONDITION: T73511
DELTA K w DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
E = R.T. E= R.T.LAB AIR, SIM. SEA WATER,1-20HZ 1-10HZ
A: 4.54 1.29DELTA K B: 4.39 .636
MIN C:D:
5.00 1.64 1.706.00 2.52 4.00
7.00 3.60 7.478.00 4.91 12.09.00 6.47 17.610.00 8.32 24.113.00 16.2 49.016.00 26.68 82.920.00 57.9 148.25.00 128. 279.
A: 27.96 : 199.DELTA K B: 26.48 " 334.
MAX C:D:
ROOT MEAN SQUARE 9. 17 14. 65
PERCENT ERROR
LIFE 0. 0-0. 5
PREDICTION 0. 5-0. 8RATIO 0.8-1. 25 2 2SUMMARY 1.25-2 0 1(NP/NA) -2 0
8.16-4*-0 -: ' ,' .' ". '' --- , " , ,: -',- ,: , ,",: , , - .: ,, , , , . , ., :: . ' -:" .- i
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CONDITION/HT: T73511 ALM.IFORM: 3.00"TH EXTRUSION YIELDSTRENGTH: 5.3 KSI ALLOYSPECIMEN TYPE: CT ULT STRENGTH: 78. 4 KSIORIENTATION- L-T SPECIMEN THK: 1. 003- 1. 004"
-.--:-STRESS RATIO: "0. 10 SPECIMEN WIDTH: 4. 500" 7149FREQUENCY: REFERENCES:NC002
~1
AK (MPA VF1 AK (MPA -%h)4 10 40 100 4 10 40 100(1111 1' 1" " , I~ ,, ,,,, = 1) " 1"1" 1 , 1 11,,,,,
ENVIRONMENT: R 100 ENVIRONMENT: R. T..LAB AIR. 1-20HZ SIM. SEA-WATER
-2 - -2 1-10HZ1010 1
i _101 101', . 10. -- 10-4
11 4- 4,10"10
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10.2 5-6 _
1,_ _.o- 1 0 1 0 -
Tl 1076 10
161- 10 10-2
10 1" 00"6 0.
1 4 10 40 100 11 4 10 40 100© ENVIRONMEN Wm 100 ENVIRONMENT: 10
".._____-1 1-1__ - -2
-2 __10"______ _ 10"7 __ - 1
1010. 1 10-
10. -2 -2 2
10-3 10 E
-. K10--~ 1010
6 F r 16610 17 10
10 1 0
1 00
> 10.0- J i 16o8 1 f. l lWJJ1 4 10 40 100 1 4 10 40 100
AK (KS ~'Th Figure 8.16.3.1
8.16-5
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TABLE 8.16.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WTTH FIGURE8.16.3.2 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7149CONDITION: T73511
DELTA K DA/DN (10**-6 IN./CYCLE)* -(KSI*IN**1/2)
A B C D
*. E=H. ;E= R. T.:LAB AIR SIM. SEA WATER1-20HZ 1-10HZ
A: 4.06 .949DELTA K B: 3.59 1.39
MIN C:D:
4.00 " 1.465.00 " 1.97 2.756.00 : 3.28 5.827.00 " 4.75 10.48.00 " 6.43 16.09.00 : 8.41 22.310.00 : 10.8 29.413.00 : 22.8 57.216. 00 : 49. 7 103.20.00 : 152. 223.
A: 22. 13 : 283.DELTA K B: 22. 13 • 342.
MAX C:= .- , D::
---
ROOT MEAN SQUARE 19.89 8.79PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.9
- RATIO 0.8-1.25 3 2
SUIMARY 1. 25-2. 0(NP/NA) >2. 0
8.16-6
. *..
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CONDITION/HT: T73511 ALUM.FORM: 3. 00"TH EXTRUSION YIELD STRENGTH: 53.7 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 74. 5 KSIORIENTATION- T-L SPECIMEN THK: 1. 002- 1. 004"
..- STRESS RATIO: .0. 10 "'ECIMEN WIDTH: 7. 400" 7149S ',FREQUENCY: REFERENCES:NCO02
AK (MPA -~)AK (MPA4 10 40 100 4 10 40 100
: l' I' ' I l'l I= IIi i'lG ENVIRONMENT: R . 100 MOV ENVIRONMENT: R. T..
LAB AIR 1-20HZ SIM. SEA WATER1-10HZ p. 102 _ __ _ _ __--___ _ _ __ _ _ 1-2 __ _ ____ _ _
10 1 0110.1 10.1
-2 -2
106- 10" - 10 "
S1. 10 - 10
1071 0 1
V 1 1 410 ,
0 U 0
ENVROMET:10 o NI3NET 10 o3 E.1 410 10- 4
.10 i-
--- - .
10F, 10F7 ___ _ "
10 .6 10. ,
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NVIRONMENT: 100 ENVIRONMENT: 100
2 _2
10. 10
"0 -- 10.1 - 10".1 '
1OF3 1o
102 - 10- 2
44 1.
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z-_ _ E
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1 0F8 oi
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K T Figure 8.16.3.2
. 8.16-7
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TABLE 8.16.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.16.3.3 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7150CONDITION: T651ENVIRONMENT: R T H II. A.
DELTA K DA/DN (10-*-6 IN. /CYCLE)(KSI*IN**/2)
A B C D
R=+O. 33 R=+0. 33
A: 1. 8 5 .oDELTA K B: I.99 • .01
MIN C: 9D:
2.00 • .0355 .01252.50 : .121 .09373.00 • .306 .3523.50 .639 .8854.00 • 1.16 1. 745.00 2.90 4.32
6.00 : 5.65 7.777.00 : 9.37 11.88.00 : 13.9 16.29.00 : 19.0 21.110.00 : 24.5 26.513.00 41.0 48.4
16.00 • 54.4 84.9..- 20.00 182.
A: 16. 19 55.2DELTA K B: 20. 66 : 207.
MAX C:
------------------------------------------------------------------,%.4=
ROOT MEAN SGUARE 23. 19 37. 79
PERCENT ERROR
LIFE 0. 0-0. 5 1 1PREDICTION 0.5-0.8 1 1
RATIO 0.8-1.25 3 1SUMMARY 1.25-2.0 1
94 (NP/NA) :2 0
8.16-8
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CONDITION/HT: Ti51 ALUM.". FORM: 1. 00"TH PLATE YIELD STRENGTH: ALLOY
SPECIMEN TYPE: WOL ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 249- 0. 253"
, .. FREQUENCY: 25. 00 HZ SPECIMEN WIDTH: 2. 550- 2. 554" 7150Z ENVIRONMENT: R. T. v H. H. A. REFERENCES:AL014
&K (MPA V'7 ) &K (MPA V1)4 10 40 100 4 10 40 10
G- STRESS RATIO = -0. 33 10o STRESS RATIO = :0.33
.lo___-- 10.1 10- 1
,210. 10-2
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8.16-9
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Nq" I ABLE 8.17.3.1
PF:-TI-UE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.17.3.1 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION T7354
, DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. F= R. T.DRY AIR, 6HZ S. T. W. , 1HZ
A: 4 27 .740DELTA K B: 3. 96 .119MIN C:
D:
4.00 . 1245 00 1. 15 6136.00 - 2.00 2.37
7.00 3.27 6.318.00 5.08 12.39.00 7. 50 19.4 ,. .... 4
10. 00 10. 6 26. 513.00 24.8 42.516.00 . 46.1 50.9
20. 00 • 83. 1
A: 21.32 96.6DELTA K B: 17. 40 : 53. 4
MAX C:D:
ROOT MEAN SQUARE 8. 39 41. 98
PERCENT ERROR
LIFE 0.0-0, 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25 1
SUMMARY 1.25-2. 0 1(NP/NA) >2 0 1
8.17-22', ,
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- - .
CONDITION/HT: T7354 ALUM.FORM: 6. 00"TH FORGING YIELD STRENGTH: 84. 8 KSIALOSPECIMEN TYPE: CT ULT. STRENGTH: 75. 7 KSI
ORIENATION L-TSPECIMEN THK: 0.496"ORETTOL-* STRESS RATIO: -*0. 10 SPECIMEN WIDTH: 2. 547- 2. 550" 7175"FREQUENCY: REFERENCES:GD002
AK(MPA Vm) &K (MPA N/m4 10 40 100 4 10 40 100
-ENVIRONMENT: R. l 10 E EN I IO N MEN T R. T..DRY AIR. 6HZ S. T. W., 1HZ
10.1 102
102 10 ~
10 U* ~ ~ ~ ~ ~ ~ - >.- 4___3_ ____
*~1 10l 1E
z __ __5_
-4 10- -1 5
10- - 10
-7 -7
10-6 1 -6
-6 78 1LL1L L 1Tfil
© ENVIRONMENT: -100 ENVIRONMENT: 100
-62 -62
10- 10-
*oF 10F0.13
10 2 -2
U 10 10
6 1________ 6
10 3 10* 10
z -5 -510 -10
10- 1 06
1 0 -a- 10 ... J L..ui .L±L0-
1 4 10 40 100 1 4 10 40 100& K (KSI /-in) AK (KSI /-in
Figure 8.17.3.1
8. 17-23
Downloaded from http://www.everyspec.com
TABLE 8.17.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
*DATA ASSOCIATED WITH FIGURE 8.17.3.2 INDICATING EFFECT
OF ENVIRONMENT
* MATERIAL: ALUMINUM 7175CONDITION: T7354
* * DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
.A B C D
E= R.IS. T. W.
A: 3.20 .16.7..' DELTA KB:
MIN C:D:
3. 50 :. 1674.00 :.2915.00 :1.216.00 :4.327.00 :9.488.00': 16.29.00 : 26.410.00 : 37.913.00 : 60.216.00 : 90. 5
A: 16.60 : 169.DELTA K B:
MAX c:D:
-----------------------------------------------------------------------------------------ROOT MEAN SQUARE 14.05PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0.0-0. 5
PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2.0 1(NP/NA) >2. 0
or
8.17-24
Downloaded from http://www.everyspec.com
CONDITION/HT: T7354 ALUM.FORM: 6.00"TH FORGING YIELD STRENGTH: 82.5 KSI ALLOY
* SPECIMEN TYPE: CT ULT. STRENGTH: 73.5 KSI
ORIENATION T-LSPECIMEN THK: 0. 499">: *:\STRESS RATIO: -0. 10 SPECIMEN WIDTH: 2. 550" 77
*FREQUENCY: 1. 00 HZ REFERENCES:G0002
AK (MPAV) &K (MPA -,/M)4 10 40 100 4' 10 40 100
ENVIRONMENT: R.1 .. l 100II ENVI O8NM~tsT:S. T. W. z
1-2 1__ _ _ _ _ _ -2_ _ _
10 i10.1 10'
C 1 0 10 - )
70 10 107 E
__ __ __4_ -o- 7 o
10 - 116
-6 -6
100 10
1% 40 10 40 10
16Frr 16 7rT
106 0'
10-81 10.8
10-2 -2_ 10;
4 4)
10Ez
7 io 10-
100
1O10-5
10-6 106
~.. . * 10 6 1081 4 10 40 100 1 4 10 40 100
A K (K SI L/) K (KSI v/ 7)Figure 8.17.3.2
94 8.17-25
Downloaded from http://www.everyspec.com
L .7 7.
TABLE 8.17.3.3
FATIGUE CRACK GROWTH RATES AT DEI-INED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.3INDICATING EFFECT
* ~. OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION: T7:36
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSl*IN**1/2)
A B C D
Er R. 1'. E= R. T.LAB AIR 3.5%. NACL
A: 8.66 5 .43DELTA K B:MIN C:
9.00 : 6.5010.00 : 9.8713.00 : 22.116.00 : 35.820.00 : 56.8
A: 23.70 : 81.8DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 25. 37 0. 00PERCENT ERROR
- - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - -
LIFE 0. 0-0. 3PREDICTION 0. 5-0. 8 1RATIO 0.8-1.25 2SUMMARY 1. 25-2. 0(NP/NA) D2 0
8.17-26
Downloaded from http://www.everyspec.com
CONDITION/HT: T738 ALUM.* FORM: 0L 70 "TH FORG ING YIELD STRENGTH: 88. 5 KSIALY* SPECIMEN TYPE: CT ULT. STRENGTH: 77. 5 KSI
ORIENTATION- L-T SPECIMEN THK: 0. 700"STRESS RATIO: --0. 02 SEINWDT 1.0"7175FREQUENCY: 10. 00 HZ REFERENCES:85880
&K (MPA ~)AK (MPA ~~4 10 40 100 4 10 40 100
'' ENVIRONMENT: R. ., 00\o ENVII ONMENT: R.1 T..oLAB AIR 3.5Z NACL
162 16i2
10.1 10-1
-4n -4
(J0l3 0- 10E
10-"5 105
10 - 10
~6 1076
* ENVIRONMENT: 10 ENVIRONMENT:10
1- 162
10- 1 -
110F1 10.1
i0~-2102 10. 2_
o103 io3 E10E
o7 10-
10* 1010
107 0168
1 4 10 40 100 1 4 10 40 1004.AK (KSI /m) AK (KSI .%Tin)
Figure 8.17.3.3
8. 17-27
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TAHLL 8.17.3.4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURES.17.3.4 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUM11NUM 7175
CONDITION T736ENVIRONMENT R T ,DRf AIR
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**I/2)
A B C D
R=+O 10 P=+0 30
A. 4. 64 .164
DELTA K B: 2.93 552MIN C:
D:
3.00 6143.50 1. 16
4.00 1. 895.00 1. 11 3.816.00 2.46 6 23
j 7.00 4.31 9.038.00 6. 58 12.29.00 9.22 15. 710.00 12.2 19. 713. 00 23. 6 35. 016.00 40.3
A: 19. 27 69. 3DELTA K B: 15.83 56.0
MAX C:
ROOT MEAN SQUARE 3. 51 12. 99...'. PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
*'- RATIO 0.8-1. 25SUMMARY 1.25-2.0 1(NP/NA) -2.0
.' --~8.17-28
'- %.e
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Downloaded from http://www.everyspec.com
CONDITION/HT: T7381 ALUM.FORM: 1.00"TH FORGING YIELD STRENGTH: 89.3 KS! ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 78. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 401
* "- .- FREQUENCY: 8.00 HZ SPECIMEN WIDTH: 2. 585- 2. 571 7175-*'ENVIRONMENT: R. T. .DRY AIR REFERENCESGDOO0
*AK (MPA V/m) AK (MPA Vm)4 10 40 100 4 10 40 100
STRESS RATIO =-o0.10 100 STRESS RATIO = . 301- 1 2 ________ ________10 101
'10" 101
0 _
,... 3 10- 10-3 31o) -4O' /
u.,O ",= :' ___1.4_ 10 - E
* "% 10 _ 0V_10 10 10-7mV
0 1010
106 10166 16
16 10 401-4.1 40 100 1 040 100
I ' ' l 11 1= I I' ' 1 0STRESS RATIO 0STRESSRATIO
02 l1 °2
010 - 10
10-F101 1103
10 __ ______10.S2
.70"10 102 Z
"0 __ 104
104
"
4 -4
0- E10 -"11
E 10.5
z5100 -4 U5.
la,- 10- 5
10" 1010
10 106 1 .
1 ti t I I 6 I I Id 16 .
".LL 1 4 10 40 100 1 4 10 40 100 -
A% ZK (K SI 7") AK (KS I Vr ) .
.Figure 8.17.3.4
4 8.17-29
Downloaded from http://www.everyspec.com
TABLE 8.17.3.5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
r*, DATA ASSOCIATED WITH FIGURE8.17.3.5 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7175CONDITION: T736
-.--., ENVIRONMENT: R T. , H. H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R=+0. 10 R=+0. 30 R=+0. 50
V. A: 2. 99 .44
DELTA K B 2.70 .30MIN C 2.66 .23
D:
3.00 .445 .405 .3043.50 .726 .624 .711
4.00 1.08 .917 1.315.00 " 2.03 1.78 2.836.00 3.27 3.12 4.487.00 4.82 5.06 6.248.00 6.65 7.73 8.449.00 8.78 11.3 11.6
10.00 : 11.2 15.8 16.413.00 : 20.4 37.0 55.316.00 32.8 72.6
-% 20. 00 55. 1
25.00 94.4
A: 25.e5 103.DELTA K B: 18.80 : 122.
MAX C: 13.04 : 55. 5D:
ROOT MEAN SQUARE 42. 61 26. 27 16. 70PERCENT ERROR
LIFE 0.0-0.5* ,- PREDICTION 0.5-0.8
RATIO 0.8-1.25 3 2 1%_%. SUMMARY 1.25-2 0 1 2 1
(NP/NA) D2. 0
8.17-30
; - r ; : i ; ; > : . :i ; : - .*.-N,,%,-v.,..-,..*.
Downloaded from http://www.everyspec.com
CONDITION/HT: T738 ALUM. FORM: 1.00"TH FORGING YIELD STRENGTH: 89. 3 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 78. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 398- 0. 404"
- FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 2. 545- 2. 570" 7175ENVIRONMENT: R. T. H. H. A. REFERENCESCGD0 1
_.. _
AK (MPA %m) &K (MPA V"/)4 10 40 100 4 10 40 100
STRESS RATIO *0. 10 STRESS RATIO = 4. 30.2 ________ -o20-- 010F
10-1 10.1
10102 1"2
.44
10 10
i". 1 "io
-1 0 6
- 10 -6
0 I , ,10-0"1 ,I l l
1 OF 11 7
1 4 10 40 1001 4 10 40 100
10 - 10o
io -- 0 .2 --~ 0
10-3I_ _4104 >E
* , -3- 0
10 1010. 103
- ,%,
E
-d -o -z-~4 V
166 166,. . 10. _ 10 5
1 O-:': 07 -- 107---
100- 10 6
1 I lilt 1 06-
1 4 10 40 100 1 4 10 40 10
A.""- K (KSI AK (KSI vrfn)0.' AK(Figure 8.17.3.5
8.17-31
Downloaded from http://www.everyspec.com
0.j- - - ,. .- .* . ,. ., .. ,,-, - -.- S C -... . C , -t - , . . , . . " .t? ' .
TABLE 8.17.3.6
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.17.3.6 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7175CONDITION: T736ENVIRONMENT: R. T S. T. W.
-- i
(. DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
% R=+O. tO R=+O 50
A: 4.02 .498DELTA K B: 2. 15 .268MIN C:
D:
2.50 .3283.00 .592
3.50 1. 174.00 2.225.00 : 1.46 6. 136.00 3. 68 12.77.00 9.09 21.66.00 24.4 33.09.00 55.0 45.710.00 59.313.00 117.
A: 9.90 " 55.0DELTA K B: 13.68 144.
MAX C:
-----------------------------------------------------------------------------------------ROOT MEAN SQUARE 15.80 4. 79PERCENT' ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25 1 2SUMMARY 1.25-2.0 1 2(NP/NA) ">'2. 0
h''%'
8.17-32
0'=
Downloaded from http://www.everyspec.com
4 CONDITION/HT: T738 ALUM.FORM: 1.00"TH FORGING YIELD STRENGTH: 59.3 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 78. 7 KSIORIENTATION: L-T SPECIMEN THK: 0.394- 0.403"FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 2. 540- 2. 567" 7175ENVIRONMENT: R. T., S. T. W. REFERENCES:GDO1
AK (MPA V/m) &K (MPA -\/M)4 10 40 100 4 10 40 1001:: -- 11 1 1 1', , , wl ,I I 1-1,o 1)
STRESS RATIO -t-0. " v0STRESS RATIO =1,0. 50
102 10- I
10. 10
2',2
10- - 2
1 01 6 - --- U1° 6 -
10 , 4 10 40 100 14 10 40 100 E
104
., (C? - I '' I ' ',I , I' , ' -=1" -I 'I' I 1 1 ,1 I ' I'l l -
,, _ 10 @ "0-
.STRESS RATIO : 1 STRESS RATIO = -- 100o:
-2 -2
10F- 107 -
10 "1 10<'
1013 _ 100 4 -.112
-22
10-11 10;.'. __ 10 . 2 2 ,:-;., 4l u .
S- 10 . - -* 16 4~
10 3 E.'. 5" -- _ __ __ _ __ 10 - 0 _ __ 10 z
-10-6 -6
10 10_
- 6 6106
0-8 -8-10 ~~ - .17~3110
1 4 10 40 100 1 4 10 40 100"&K (KSI n) AK (KSI vTn)"
AK(KSIV )Figure 8.17.3.6
8.17-33l
4-: . --. ° .-- ". -*..-i...- '.- -..- " " , ' "- -", " "
Downloaded from http://www.everyspec.com
* .~ TABLE 8.17.3.7
FATIGUE CRC GOT RATES AT DEFINED LEVELSOF SRESSINTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.7 INDICATING EFFECT
OF ENVIRONMENT
~ . MATERIAL: ALUMINUM 7175CONDITION: 1 736
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN** /'P)
A B C D
E= R.I. E= R. T.DRY AIR LAB AIR
A: 1253 7.69DELTA K B:
MIN C
13.00 8. 5016.00 16. 7
*20.00 38.825.00 88.230.00 154.35.00 213.40.00 244.
A: 40.38 244.* DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 19. 84 0. 00PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-08RATIO 0.8-1.25
SUMMARY 1. 25-'.0
V.
o", 8.17-34
Downloaded from http://www.everyspec.com
CONDITION/HT: T738 ALUM.* FORM: 2.00- 3. 00"TH FORGING YIELD STRENGTH: 69.0- 71.0 KSI ALLOY
SPECIMEN TYPE: DCB ULT. STRENGTH: 78. 0- 79. 0 KSIORIENTATION- L-T SPECIMEN THK: 0. 25- 0. 750"STRESS RATIO: o0. 02 SPECIMEN WIDTH: 5. 500" 7175
. FREQUENCY: 0. 08- 10. 0 HZ REFERENCES:843680
"::::' K (MPA .Vm AK (MPA .V/)
4 10 40 100 4 10 40 100ON T R. T..--- ENVIRONMENT: R. - 100 M ENVIRONMENT: R T,
DRY AIR LAB AIR
11 2 1102
10- - 10-1
1- -"102 0 - 1032
4 ________ 4 E~' 10
. 10- 103 E
-6€ " _ 0 4 - 10.
10l- CC o-4
107 - iO
-.- '.. ___10. 5 _ _10 5
-7v' --; ..- , 10.7 _ _ _10_--1
% 10.6 10-6
-8L.±,,L. -- 0.:_.:. -- 1068 -- 1 , fi ll[, I I 1 1 ,I,11 1078 I I, , , I I l. , -
1 4 10 40 100 1 4 10 40 100_...~~~~ I I'lll I fiI'
© ENVIlRONMENT: 10 @ II~T( TTT10 ENVIRONMENT: 10010--.10". .'.102
10 2
1l1-
-. 1 -- 10.3 o73
-. , - -
10 -- 1
71 . 10. E
z:'"1 " _ _ _ _ _ _ _ _ _ -- io 10"7-s -- E
- -5 " E
:~io z
10 - 100
10 1010
10-8 LJJJJ j J~1j0-6
1 4 10 40 100 1 4 10 40 100AK (KSI ViT) LK (KSI /Tn)
Figure 8.17.3.7
8.17-35
:..
Downloaded from http://www.everyspec.com
TABLE 8.17.3.8
FATIGUE CRACK GROWTH RATES AT DEFINFD LEVELS
OF STRESS INTENSITY FACTOR
DATA -SSOCITED WITH FIGURE 8.17.3.8 INDICATING EFFECT
OF ENVIRONMENI
MATERIAL ALUMINUM 71/5CONDITION T736
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)'-A B C D
E- R. T. E= R I. E= R. T.DRY AIR H. H. A SALT FOG
A 5- 95DELTA K B: 6. 01 5. 82
MIN C 6. 10 5.64D:
6. 00 3.427.00 5.69 9. 56 9.548. 00 8. 57 13. 4 13. 79.00 11 8 17.7 17. 7
100. 16. 1 22.8 22.413.00. 50. 1 54.2 52. 5
A: 13. 80 72. 5DELTA K B: 13.54 65.1MAX C: 13.09 54.2
D:
ROOT MEAN SQUARE 7. 44 6. 38 7. 79l - PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0 8
* .-. RATIO 0.8-1.25 1 1 1SUMMARY 1. 25-2 0(NP/NA) >2 0
a ,8.17-36
...................-.. 1..-....., **% .* .
Downloaded from http://www.everyspec.com
-' . .-- -
CONDITION/HT: T735 ALUM.FORM: 4.o0"TH FORGING YIELD STRENGTH: 59.9 KSII ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 8 KSIORIENTATION T-L SPECIMEN THK: 1. 501- 1.502"STRESS RATIO: .9. 33 SPECIMEN WIDTH: 3. 80" 7175FREQUENCY: 18. 30 HZ REFERENCES:81842
&K (MPA A-m) AK (MPA V/*m), 4 10 40 100 4 10 40 100
ENVIRONMENT: 1ENVI ONMENT: R. T..DRY AIR H. H. A.210-T-1
,-. -2 10 "2
I1101 10.1
- - - 10-102
>0 .4 .4
.10 - 10 -E
z -5 zlo zo
- -_6I ____ _10.5
110 -- 10
-510. 10-
1 0.6 10618 ,I
S 0 40 100 4 0 40 100
©.- - ENVIRONMENT: R 10, 10 ENVIRONMENT: 10o162 -SALT FOE
0-2 -2
10- -- 10.3-
10.1 102
_ -- o-
s 10 1 3 E10 EZ .5 -- 10 5
- z
70, 100z-6
10.4 10-4
1-4.10-40 1101 5 45040 1 0
__-"1"7 -- 10F7 ---
-- ! l ":'. 1.8 , = ~ l, I ,I ,II -- 10"8 1 1 I ,I I , l111l3., o,:14 10 40 100 14 10 40 100
AK (KSI vr'T) Figure 8.17.3.8 AK (KSI V'Tn)
8.17-37
Downloaded from http://www.everyspec.com
7 -77R -7 7% 77. -
TABLE 8.17.3.9
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.9 INDICATING EFFECT
OF ENVIRONMENr
MATERIAL: ALUMINUM 7175CONDITION: T736
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN*.w1/2) w
A B C D
E= R. T. E= R. T. E= R. T.DRY AIR H. H. A. SALT FOG
A: 6. 2~ 3. 17DELTA K B: 6. '+ 4 3.286
MIN C: 6.16 8.32
7.00 : 4.96 6.06 12.78.00 8 .23 9.74 19.99.00 : 12. 1 14.0 29.410.00 1& 166 16.9 40.713.00 : 33.5 38.9 76.7 t16.00 : 53.7 75. 1
A: 16.26 : 55.4DELTA K B: 16.99 :93.6
MAX C: 14.93 :92.1
ROOT MEAN SQUARE 6. 92 5. 07 3. 23PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.6
RATIO 0.8-1.25 1 11SUMMARY 1.25-2 0(NP/NA) >2 0
8.17-38
Downloaded from http://www.everyspec.com
* CONDITION/HT: T738 ALUM.FORM: 5. UW'TH FORGING YIELD STRENGTH: 82. 1 KSI ALLOY
* SPECIMEN TYPE: CCP ULT. STRENGTH: 72. 5 KSIORIENTATION- L-T SPECIMEN THK: 0. 744- 0.747"
* STRESS RATIO: -0. 33 SPECIMEN WIDTH: S. 000" 77FREQUENCY: 5.20 HZ REFERENCES:88842
AK (MPA V3m) AK (MPA N/Th)4 10 40 100 4 10 40 100
ENVIRONMENT: R. l.. 100 tN EN ONMENT: R. T..DRY AIR H. H. A.
10-2 1-2 _ _ _ _ _ _ _ _ _ _ _
100- 10-
1003 113
-2 -210 10;
U U
C 1 10- 10- E
-5 3
10 10 -
10-4 o-
16, 1 -7
10- 10
1 0-6 -a10,6
1 4 10 40 100 1 4 10 40 100
EVRNETR.-100 @ ENVIRONMENT: 100SALT FOG
1-2 1-2
1 0- 1 01 0130 103
10~ o10-2 -2
4 -4
100 10 10 3 E
~~10
66 _ _ _ _ _ _ _ _ _ _ 166
10 100i- 5
10-6 1-6
*10-8 1-8 p
AK (KSI ,/in) AK (KSI v'Th)Figure 8.17.3.9
- N. .
Downloaded from http://www.everyspec.com
TABLE 8.17.3.10
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.17.3.1OINDICATING EFFECT
OF ENVIRONMENT
* . . MATERIAL: ALUMINUM 7175CONDITION: T736
* ' ( NDELTA K DA/DN (10**-6 IN. /CYCLE)
* (KSI*IN**1/2)A B C D
E= R. T. E= R. T. E= R. T.DRY AIR H. H. A. SALT FOG
A: 5.85 2.42DELTA K B: 6.25 7. 41
MIN C: 5.96 5. 62D:
6.00 2.72 5.967.00 4.56 10. 2 9.318.00 6. 10 13.9 12.69.00 7.73 18.2 16.210.00 10. 1 24.0 20.713.00 34.2 67. 7 51.9
- 16.00 121.
A: 16.26 115.DELTA K B 13.84 97. 1
M4AX C: 13.62 65. 5D:
ROOT MEAN SQUARE 8. 87 6. 93 6. 30
PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.18
* RATIO 0.8-1.25 1 1SUMMARY 1. 25-2. 0(NP/NA) >2 0
8..4
"'-"" ""8.17-40
9''5'
Downloaded from http://www.everyspec.com
CONDITION/HT: T738 ALUM.FORM: 5.00"TH FORGING YIELD STRENGTH: M0.1 KSI IALLOYISPECIMEN TYPE: CT ULT. STRENGTH: 59. 5 KSIORIENTATION- T-L SPECIMEN THK: 1. 501- 1. 502"
*STRESS RATIO: -*0 33 SPECIMEN WIDTH: 3. 800" 77FREQUENCY: 18. 30 HZ REFER EN CES:85842 77
AK (MPA -,/m* AK (MPA -,/m)
4 10 40 100 4 10 40 100
ENVIRONMENT: R. .. 10 ENVI O8NM~tsT: R.T..,11DRY AIR H. H. A.
162 1 62
- 10 10-1
10 lo10
1 42 402_
16O 10 6
C 10~ 0-3 E
-0 1000-5
A 10 1010
_ _ _ _ _ _ _ _ _ _ _ _1 o 74__ _ _ _ -
6-
-8 7
10- 010
10 1 18
1o 4 10 40o00 3 10 40 10
SAL FOG~ - 0 -
102 10.
_10-E- 10-
10 - 10
10 10 10
10 166 11 0
1~i- 41040 10 -41 0 0
Fiue107.3.10
10 8. 17-41
Downloaded from http://www.everyspec.com
TABLE 8.17.3.11
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS .-
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3. 11 IND ICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION: T736
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
*A B C D
* E= R. T. E= R. T. E= R. T.DRY AIR H.H.A. SALT FOG
A: 6.02: 2.56DELTA K B: 6.07 :3.75MIN C : 5.94 :5.1
6.00 :6.14A'7.00 : 4.72 5.78 12.3
8.00 : 7.57 8.79 18.89.00 : 11. 1 12.9 24.910.00 : 15.5 18.2 31.013.00 : 37.2 44.9 56.016. 00 : 86. 6 119.
A: 16.71 : 106.DELTAKDB: 15.81 :90.7
MAX c: 16. 59 :143.D:
ROOT MEAN SQUARE 7.28 11.59 16.69PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.e I
-aRATIO 0.8B-1.25 2 2 1SUMMARY 1. 25-2. 0(NP/NA) >-2. 0
8.17-42
Downloaded from http://www.everyspec.com
CONDITION/HT: T736 LMFORM: 5.00'TH FORCING YIELD STRENGTH: M9.1 KSIALOSPECIMEN TYPE: CCP ULT. STRENGTH: 89. 5 KS!ORIENTATION- T-L. SPECIMEN THK: 0.743- 9.751'STRESS RATIO: +.0. 33 SPECIMEN WIDTH: S. 000" 7175FREQUENCY: 5.20 HZ REFERENCES:88842
&K (MPA Vm AK (MPA V/")4 10 40 100 4 10 40 100
NT: R. 02) ENV111ONMENT: R.T..pll'' ENVIRONMENT R.o.10
DRY AIR H. H. A.
100-- 10-
1 oF io73
10'2 1-2 Z_
10 104
-40
E
10 1- 10
16 16
10 1-
10-6 10-6
k:/ ENVIRONMENT: R.14 0 ENVIRONMENT: 100
10-1 10.1
210. 10-2
-4 1C4)
E 10 10'10
E
10 10i
-7 -7
10F, 10
106 1-
10 07
AK (KSI vrin) AK (KSI Vr~n
FIGURE 8.17.3.11
8.17-43
Downloaded from http://www.everyspec.com
-ABLE 8.17.3.12
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.12INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION: T736
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E=- R. T E= R. T.:DRY AIR H.H.A.
DETAKA: 6.41 1.68DELTA K B: 6.38 1.51MIN C:
D:
7.00 2.92 2.588.00 5.35 5.36
9.00 8.21 9.94C-C" 10. 00 12. 3 17. 0
13.00. 65.9
A: 13. 35 85. 6DELTA K B: 12.96 60.9
MAX C:D:
* -'CROOT MEAN SQUARE 15. 78 7. 52PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1 1
*SUMMARY 1.25-2,0(NP/NA) >2 0
8.17-..4
* °/
'C-
LQ_ 8.17-44
Downloaded from http://www.everyspec.com
CONDITION/HT: T736 IAUM1FORM: 5. 00"TH FORGING YIELD STRENGTH: 58. 5 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 68. 9 KSIORIENTATION- S-T SPECIMEN THK: 1. 500"STRESS RATIO: 0. 33 SPECIMEN WIDTH: 3. 800 7175FREQUENCY: 18. 30 HZ REFERENCES:86842
.K (MPA -v/m) AK (MPA vm)4 10 40 100 4 10 40 100
-',,: F_ Rin.E T Ri 'II
'i- NIROaNMENT: R. .. 100 \5/ ENVI ONMENT: R.u.-A.- -- H. Fl. A.
210"2 162
- -_10-1 _ 10 1
la3 ---- - 10.
-- 102
2 Olo- -2
.4 -4 1 .
1 .
10 - 10
C IO _o= E~-- 10-7 - -
io 4 4
"-."7-" 1 c0-c--_I-116 1661
ENIONET 100-26 -6i
10 1"-,.,ENVIRONMENT: 10o @ ENVI RONMENT: 10oo
0 10
1 .o " - -- ----o1 "
110 101
1--10 - 1 0 .)-25
d I
_- - ~ --u -- 10
S 10 1-
•. -. - -- 166-
1o 16, 10
-y10 -
16 1671-6
-6
S0-8 I. ,.I ,AII 10, . I I , I I, I ,I, --1 4 10 40 100 1 4 10 40 100
&K (KSI 7n) & K (KSI V/Tn)
FIGURE 8.17.3.12
*1' 8.17-45
;¢:- . . . . . . o °
Downloaded from http://www.everyspec.com
TABLE 8.17.3.13
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAVA ASSOCIATED WITH FIOURE8.17.3.13INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 717KCONDITION: T73652ENVIRONMENT: R.T- ,S.T.W.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)SA B C D
R=+0. 08 R=.+O. 30 R=+O. 50
A: 7.93 5.41DELTA K B: 2.91 174
MIN C: 5.36 9.41D
3.00 .1743. 50 .2764.00 .7045.00 3. 126.00 8.85 12.67.00 16.3 17. 88.00 5.94 21.9 23.19.00 14.8 25.4 28.310.00 22.4 27.9 33.313.00 45.4 40.1
A: 14.18 " 75.9DELTA K B: 13. 55 " 44.6
MAX C: 12.77 • 45. 5D"
ROOT MEAN SQUARE 17.33 15.97 4.32PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1SUMMARY 1.25-2.0(NP/NA) >2. 0
8.17-46
• . .. . ° • .° . . . . ° ° • . . .
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852 ALUM.FORM: FORGING YIELD STRENGTH: 88.0 KSISPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTA T ION: L-T SPECIMEN THK: 0. 990- 1. 000"FREQUENCY: 1. 00 HZ SPECIMEN WIDTH: 7. 400" 7175ENVIRONMENT: R. T.. S. T. W. REFERENCESS8579
."*'" AK (MPA A) AK (MPA /T)" 4 10 40 100 4 10 40 100::,:..'.~ ~ I if 1 I-lt' I I 1 1 1I I fi 1-11'
STRESS RATIO = -0. 08 STRESS RATIO +. 30--110
2 102
-2- ________10___- ____________ 10-
_______
10 - 10. -
-..-. OF 1-0732 __ 1 .
100 . 10
'4, 164 1 " 1 .
1r610 10- E
1 -5 1-510 1 1
.- ~~f- 0- 4 4 0 4 101 4 10 4 0-3-- -
10 10 E
-10 1 O-
-6- 6 103 6
107817 d10I 1 T0111
0 @
0 010 ""0O-6"
10 !- -a 0 3ST.ESS RATIO' 10510T10- 2-2: "__ _ __ _ _ _ -__ _ __ _ _ -- -
>-.. 16 4 4- U_1 " _ _ 1 -0.-, 10 - 10- --
10. 10 - 1-
41 -4
;::::: : = 1.6 -= 10.6 m. - 4 _ _ _
c.)lO 10
-3:", ig r -37.1
*1 F 1 -10F07
-60- 6__ _ _ _ _ _ __ _ _ _ _ -1
100
10.6 111 17 ~
1 4 10 40 100 1 4 10 40 100-
pAK ::S1PKKI/T AK (KSI v/Tn)
Figure 8.17.3.13
#2-' 8.17-47
*. .-: ... ... ,........ -... .-.. ......... ... ... .. . ... ..... . . ... .-.... .. ... . -..- ..-.:....-
Downloaded from http://www.everyspec.com
TABLE 8.17.3.14
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.17.3.14INDICATING EFFECT
OF- ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION: T73652
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**l/2)A B C D
E = R. T.
LAB AIR
A: 1.69 .0'127
DELTA K B:MIN C:
D:
4 ~2.00 002. 50 .104
3. 00 .170
3. 50 2654.00 .398
5.00 .8066.00 1.46
- 7.00 2.45... 8.00 3.82
9.00 5.6610. 00 8. 0313.00 16.8
A: 13.43 20.eDELTA K B:
MAX C:D:
ROOT MEAN SOUARE 14. 68PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25 2SUMMARY 1.25-2 0(NP/NA) >2 0
8.17-48
-° -o"c.
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852 i ALUM.FORM: FORGING YIELD STRENGTH: 71.7 KSI ALLOYiSPECIMEN TYPE: CCP ULT. STRENGTH: 81.5 KSIORIENTATION L-T SPECIMEN THK: 0. 107- 0. 110"STRESS RATIO: +0. 02 SPECIMEN WIDTH: 3. 947- 3. 951 7175FREQUENCY: 1.00- 18.00 HZ REFERENCES:MA002
&K (MPA ,./M) &K (MPA V/m)4 10 40 100 4 10 40 100
ENVJIRIENT: R. 11 100 ENVIRONMENT:
1-2 6_ -2 _ _10-1 10
.>103 10. 1064--
16 4
10.1 103
"a 10 10.
2
4 4
-10 010"5 10-
16 10" 1010" 1 0 5
-7
10- 10-7
_ 6 -- 6 l2 __ O
010 116 16 1 106il16 L I I IJ I I 11
1 4--0100 310 4 10 40 100
1 ENVIRONMENT: 100 © ENVIRONMENT: 10
162 - 162
10"5 10-
10- 7
10- 1
)010
1 -4-U 10 -
10- 10-3 Ez E
10 1- 10 5 -
10 1010
1 1o6
-. .7 -7
.. 6
100 -61106 106
1-8 107*J***jJ J~jj -~8 1 ......... L1 4 10 40 100 1 4 10 40 100
& K(K S I N/7) &K (K SI v"7n)Figure 8.17.3.14
4 8.17-49
Downloaded from http://www.everyspec.com
TABLE 8.17.3.15
gATIGUE CRACK GROWTH RATES AT DEFINED LEVELSN OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITTH FIGURE8.17.3.15INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMIN Jln 7175CONDITION: T73652,
DELTA K DA/DN (10**-6 IN. /CYCLE)I....(KSI*IN**l/2)
A B CD
E=+ 265FL. H. A
A: 4. 56 .331
DELTA K B:MIN C:
5.00 .4616.00 1 .227.00 2.698.00 4. 589.00 6.761000 9.261300* 20. 516.00 38.7
A: 16.44 41. 7DELTA K 9:
MAX C:D:
ROOT MEAN SQUARE 11.30* PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0 8RATIO 0.8-1 25SUMMARY 1.25-2 0(NP/NA) .,2 0
Ott
8.17-50
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852 ALUM.FORM: FORGING YIELD STRENGTH: 88.0 KSI ALLOY
. -J SPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION L-T SPECIMEN THK: 0. 990"STRESS RATIO: 0. 08 SPECIMEN WIDTH: 7. 400" 7175FREQUENCY: 6. 00 HZ REFERENCES:88579
AK (MPA VF) AK (MPA V/"m)4 10 40 100 4 10 40 100
ENVIRONMENT: 10 El ONMENT:
L. H. A.
102 1 ic 2
101 10-';- 3 - - lO__ __ _ 3 -__ _ _ _ _ _ _ _ _ _ _ _ _ _ _
10- 10F2 i2,10 10- _
4- 10
.4
c 10 3 EE
-5~ -5 z. 0 o 14410 10 Z
I66 - 166
1.02 ___ _1o-5
10lO-
_
.,.1O"7 107
1 06 1-6100
1i8 _l -- I , ,1 I I I Il l -- 10"6 1 1 l l ,I I I I flli..- '1 4 10 40 100 4 10 40 100
ENVIRONMENT: 1ENVIRONMENT: 1o
1. 1- 10-12 --- . 10"1 _. 10'
>.. - ___ ___--_ ___
":, ,1 . 3 _10 .3
- 10 - 1 -- - 10 2 -
-':-', - _ -o -
-6 _ _ _ _ _ _ __ _ _ _ _ -1 6-'1015 10
1.-. 0~ - 104 0* 1
.4"
10-6 1
-- 3
10....L.-..L--L ..... L--J-- -5 18i~J ..... ±.LL
S.-. 10. -- 137-
106 E
z 1 4 10 40 10 1 4 0 40 10
-". ..- .AK (KSI v'T) AK (KSI /T')
:::';::Figure 8.17.3.15
• -. 17-51
......................................................
Downloaded from http://www.everyspec.com
TABLE: 8.17.3.16
* - FATIGUE CRACK GOWTH RATES Ar DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIC'UR E8. 17. 3. 16 NJ)TC AT ING EFFEC-!T
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION. T73652
DEL TA K DA/DN (10*-*-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. 1. Ei= R.T.L.H A. F. C. S.
A: 4.9'3 .417DELTAKB: 2.92 -269
MIN C:D:
3.00 .3293.50 .5074.00 .7145.00 .432 1.316.00 .804 2.227.00 . 1.64 3.548.00 3.27 5.369.00 5.92 7.7410.00 9.52 10.713.00 20.3 21.716.00 29.0 34.620. 00 53. 8
A: 20.53 60.0DELTA K B: 18.66 48.8
MAX C:- D:
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 7. 54 5. 19
V PERCENT ERROR
*LIFE 0. 0-C 5PREDICTION 0. 5-0.8
RATIO 0.8-1.25 11SUMMARY 1.25-2.0(NP/NA) >2. 0
8.17-52
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852ALM2 FORM: FORGING YIELD STRENGTH: 56. 0 KSI ALO I
SPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION- L-T SPECIMEN THK: 0. 990- 1. 000STRESS RATIO: -0. 08 SPECIMEN WIDTH: 7. 400" 7175FREQUENCY: 1.00 HZ REFERENCES8e579
4 10 40 1004 10 0 10
ENVIRONMENT: R. 100 ".5 ENVI10 NMENT: IR. T.L. H.A. 10F.C. S.
1-2 1__
_ _ _ _ __ _ _ _ -i 2
10. 1
0> 10>3
1 -2 1 -2 _
u 10 - 0-u-- 3 -3 E10- 10 E
4-4 -
10 1
10- 10-
-77
1-j 10
16 -06
10' 10>
108 -1. 107821~~~~~~1 4 0 4 0 0 4 0
16 1o3
2
V~1-5 0-1 10 1
-6 -3
1 06 100
.10
4
.c~ 10 - 10
m -4
Downloaded from http://www.everyspec.com
FATGU CRCKGROWT ERTESA DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DAT ASOCITEDWITH FIGURE 8.17.3.17INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION T73652
DELTA K .DA/DN (1O**-6 IN. /CVCLE)
A BC D
Er- R. T. P R. T.:L.H. A. s.V.w.
A: 7.54 : 4 66DELTA K B:
MIN C:
83.00: 4.72-'n9.00 6.64
-- n'10.00 10113.00 23.516.00 . 373
A: 17.26 43.9DELTA K B:
MAX C:
ROOT MEAN SQUARE 2. 32 0. 00PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1.25-20NP/NA) >2. 0
8.17-54
Downloaded from http://www.everyspec.com
CONDITION/HT: T73652 ALUM.FORM: FORGING YIELD STRENGTH: 68. 0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION L-T SPECIMEN THK: 1. 000"STRESS RATIO: +o. 08 SPECIMEN WIDTH: 7. 400" 7175FREQUENCY: 0. 10 HZ REFERENCES:e8579
&K (MPA /Tm) AK (MPA /-m)4 10 40 100 4' 10 40 100
• " " ~ ~ ~~I I l l l 17 7 - -l l lI I ll71 w 1 1 1 l
-'ENVIRONMENT: R. .. 100 ENVIRONMENT: R. T..1 L.H. A. S. T. W.
102 - 62
10-1 10-1
1 &-- 1u3
;10.2 10.2
" 10-4 - 1-4 -
4E
-3 E..€ - 10. 3 10.
Z 10-5 -- .5 - Z
•0 1 0
110-
-66
1 o75
.-- 171~010
1-- 10.6 10.6
- C. 10 .8 I I I -8, 1 " J , I ,I l I Il , -
1 4 10 40 100 1 4 10 40 100
-ENVIRONMENT: -10o ENVIRONMENT: 100
10 _____0__ _ 102
Z10 101
173 -1 10. 3 1-102 1 2
U
10
S10-3 1- 3 E
z _ _-5-_ - - - 10 E10- 1005
-""6 -- 1-6 --
101 101
1,0 - _ _ __ _ _
10- 10-5
108".. ~. .± - . i - - -- - o . J . L ~ jL .. . . L-.
.-- 10"6 --
1.
1 4 10 40 100 1 4 10 40 100.9 ' -.. K (KSI v'n) AK (KSI V'n)
%, Figure 8.17.3.17
8. 17-55
-.A " A
Downloaded from http://www.everyspec.com
TABLE 8.17.3.18
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.18INDICATING EFFECT
OF ENVIRONMENT
* MATERIAL: ALUMINUM 7175CONDITION: T73652
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
E= R. T.-S..L. H. A.
A: 4.45 .499DELTA K B:
MIN C:D:
5.00 .5216.00 1.017.00 2.24E8.00 4.319.00 7.06
* 10.00 : 10.213.00 . 19.716.00 . 27.6
A: 18. 40 32. 5DELTA K B:
* MAX C:D:
ROOT MEAN SQUARE 4. 94PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1.25-2 0(NP/NA) '2. 0
8.17-56
Downloaded from http://www.everyspec.com
CONDITION/HT: T73a52FORM: FORGING YIELD STRENGTH: 68.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 77. 0 KSIORIENTATION L-T SPECIMEN THK: 1. 000STRESS RATIO: +0. 30 SPECIMEN WIDTH: 7. 400"-% FREQUENCY: a.00 HZ REFERENCES:68579 7175
.K (MPA ,/') AK (MPA V/'m)4 10 40 100 4 10 40 100
ENVIRONMENT: R. ., 100 ENVIr ONMENT:L. H. A.
162 162
..-.. - 10 1 -- 10-1
10-3 -- - 10 3
i"' 10"2 -- i02;
-2-10- - 0" -
110 1 _o4
E"-.'i= - 10 . 1010 _ 10 z
1106 106
...-." -6. 0l _- 6
1 4 10 40 100 1 4
ENVIRONMENT: 10() ENVIRONMENT: 100
162_.__ ___- 110-- - 10.2 1
10;
... 10- 10 ,I I, I i I=I I 0e
-ol O4 I0 40 IO 4 10 40 100
0.. E M3 E
'."; 2 110
.".5 _1--_ 10 " 5 _ ___10_:"10 - 1 - z
10..1. 1 3 1 0
-6,''.'_ _ _02
___1 -2-
100S 016 6 11 0 .
_-, =0~ --. 05 - 10 L -- 5
-'.1'Z 0-7 -Z -" ' " 10 .5
1 4 10 40 100 1 4 10 40 100&K (KSI vTn &K (KSi Tih
Figure 8.17.3.18
8. 17-57
i ' - -- 106 - -. 0
-
Downloaded from http://www.everyspec.com
TABLE 8.17.3.19
FATIGUE CRACK( CROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.17.3. 19TINDICATING EFFECT
OF ENVIRONMENT
N MATERIAL: ALUMlNUM 7175
CONDITION: T73652
*DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
*A B C D
E= .I. E=R.T.LH.A. L.H.A.
~.SP. THK . 5" SP THK. =. 1"
A 7.73 1. 12DELTA K B: 6.81 . .450
MIN C:D:
tVI7.00 .5028.00 : .18779.00 2.66 1.3510.00 4.09 1.9513. 00 10. 1 15.816.00 : 21.4
A: 18.99 28.3DELTA K B: 15. 77 :39. 6
MAX c:
V. ROOT MEAN SGUARE 8. 25 15. 36N' PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0(NP/NA) >2. 0
8.1 -5
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852 ijALUM.FORM: FORGING YIELD STRENGTH: 54.0 KSI IALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 74. 0 KSIORIENTATION- T-L SPECIMEN THK:STRESS RATIO: +10. 08 SPECIMEN WIDTH: 7. 400" 7175FREQUENCY: 6. 00 HZ REFERENCES:88579
AK (MPA V/ ) AK (MPA N'Th)4 10 40 100 4' 10 40 100
ENVIRONMENT: R. . 10o ENVIRONMENT: R. T..L. H. A. L. H. A.
102 SP. THK. -. 5" -2 SP. THK. -1"010 10
106 10.10 3 E3
.10.2 __ 10-2
10 10 1010 10 3 E
l0 5 10 5 -4-
-6 -6
10 16 10
10. 10
-7 -F7
10 _ _ _ __--_ - 105 1 .
1 .6 1 7,,- __....L.J..~~ -- 1
10--0 -081 4 10 40 100 1_ 10_40_100
ENVIRONMENT: 1 ENVIRONMENT: 10o-2 _ _ _ _ _ _ _ _ _ _ _ _ _ - _2
10 10
10 "1 10 - 1
.0- 10.3 10-
1016c 10.2 10.2 _
U .74
o ~ _ _ _ _ - _10 _ __ -o
0 10- -104E
Z 5 -- __ - 10 . - z
~ 16
10. 1. .-
.2 106 108 -
1 4o .5 100 10 5
., ",10 -- 10- --__ __ _ _ __ _ _ _
-- " 10.6 i 10-6
- -,10" ......LJ..I J , II, .L..IL, J I ,-, 10 . i , L...I ,I, . I L. I ,L IIJ -
1 4 10 40 100 1 4 10 40 100
AK (KSI v77T ) &K (KSI v/Tn)
Figure 8.17.3.19
8.17-59
Downloaded from http://www.everyspec.com
TABLE 8.17.3.20
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA. ASSOCIATED WITH FIGURE8.17.3.20INDICATING EFFECT
OF ENVIRONMENT
-" MATERIAL: ALUMINUM 7175CONDITION: T73652
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R.T. E= R.T. E= R.T.:LAB AIR JP-4 FUEL SIM SEA WATER
A 5.21 .032DELTA K B: 4.00 .224MIN C: 5.31 1.31
D:
'-"" 5.00 388.6.. 6.00 .951 .931 1.46
7.00 2.48 1.83 2.618.00 4. 17 3.05 4.95
9.00 6.01 4.58 8.16. 10.00 7.92 6.40 11.8
13.00 13.7 13.8 23.616.00 20.3 24.9 37.620.00 33.3 49.9 66.525.00 66.1 113. 148.30.00 144. 289.
A: 34.62 : 318.DELTA K B: 31.92 " 503.
MAX C: 28.56 " 285.D:
ROOT MEAN SQUARE 18. 40 12 04 8. 50
PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25SUMMARY 1. 25-2,0
(NP/NA) 2 0
8.17-60
Downloaded from http://www.everyspec.com
FCONDITION/HT: T73852 ALUM._? FORM: 1.25"TH FORGING YIELD STRENGTH: 66.3- 70.3 KSI ALLOY
SPECIMEN TYPE: WOL ULT. STRENGTH: 76.8- 79.3 KSIORIENTATION- L-T SPECIMEN THK: 1. 250"
-STRESS RATIO: -0. 02 SPECIMEN WIDTH: 5. 000" 7175.FREQUENCY: 1. 00- 20. 00 HZ REFERENCES:MA005
AK (MPA v'/m) AK (MPA VAmh4 10 40 100 4 10 40 100
R. .w 100: R ENVI O8NMENT: R. 4.1011LAB JP-4 FUEL
1 0- -0 1 0
103 10.1
10 101
L) G
~~_ 101-C-
z E
~~10 10-- ZV 10-
-6-
10610- 5 z0-5
10-6 10 -
-10
* *1 4 10 40 1010 14 10 40 100( - -7 T l~T 1 ~ rr r 111 1-~F~ 1mIIII II I I_
k*: W.W EX '-" lo 10 @ ENVIRONMENT: 1111 0
10R 101
10-1 10.1
10 - 10 -2 io 20) 10 C
C.) 1464 >u
10 - 105 3 E
10 106,
@3 101- 1
1 oio-10 10
10.6106
6 18 LLLAJI LiL~i - 10.8 A .......±.L1i1 4 10 40 100 1 4 10 40 100
%AK (KSI in) AK (KSI V"/Tn)Figure 8.17.3.20
8.17-61
............................. -,2-V*.-.. ~ >' .
Downloaded from http://www.everyspec.com
TABLE 8.17.3.21
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIQURE8.17.3.21INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7175CONDITION: T73652
DELTA K DA/DN (10**--6 IN. /CYCLE)4 (KSI*IN**I/2 )
A B C D
E= R 1. E= R T. E= R.T.:LAB AIR JP-4 FUEL SIM SEA WATER
A. 5 14 732DELTA K B: 4 29 571
MIN C: 3.99 .517
4.00 .5235.00 647 1 126.00 861 .952 1.617. 00 2.62 1. 50 2 528.00 5. 18 2.33 4.21 t.9.00 8.00 3.49 6.6610.00 10.7 5.07 9.5913. 00 17. 2 13. 7 20. 5
1 16.00 24.5 32.4 36.0,.. 20.00 45.4 87.8 72.0
25.00 135. 342. 178.30. 00 396. 480.
A: 30.29 417.DELTA K B: 25.04 352.MAX C: 32.21 764.
D:
ROOT MEAN SQUARE 23. 67 17 09 21 84PERCENi ERROR
LIFE 0.0-0 5PREDICTION 0.5-0 8
RATIO 0.8-1 25SUMMARY 1. 25-2 0(NP/NA) '.-- 0
8.17-62
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852 ALUM.FORM: 1.25"TH FORGING YIELD STRENGTH: 59.0- 5.3 KSI ALLOYSPECIMEN TYPE: WOL ULT. STRENGTH: 70. 0- 78. 8 KSIORIENTATION T-L SPECIMEN THK: 1. 250"
.- STRESS RATIO: -- 0. 02 SPECIMEN WIDTH: 5. 000"FREQUENCY: 0. 10- 20. 00 HZ REFERENCES:MA005 7175
AK (MPA V'm) &K (MPA V'/)4 10 40 100 4 10 40 100
@ -I NT: R..-- 100 ENVIRONMENT: R.IdRYNEN R1JP-4 FUEL
10- 1 10o-010 10-
0 - - -- 2- --- - I 2 -_0) 102 10 2 .
U 10
C 10- 3 103 E
"___10.
_10.5 1 z
1 101
10 10.
A10- 1 -
108 1 , 1 10-8
1 4 10 40 100 1 4 10 40 100'N. 14 'I'I + I I I 'I I I I' ' '
RElooET100 ENVIRONMENT: 10l
1- 162
010 - 10
. _- 2 - - 2 _
10 20"L-'" -- 10. I 10.
U 4
-3-. 10" 10-3 EI Z 1, - 10.5 E -
z1~
- 10 10-4 1-6 -- 6
1166
106"- - 10-6 __ 0 6
1 108 - 1 1 111k
1 4 10 40 100 1 4 10 40 100AK (KSI v/Tn) 2AK (KSI V/7n)Figure -3.17.3.21
8.17-63
".h. * - -
Downloaded from http://www.everyspec.com
TABLE 8.17.3.22
FATIGUE CRACK GROWTH RATES AT DEFINED LEYELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.17.3.22I ND ICAT ING EFFECT
OF ENVIRONMENT
10 *MATERIAL.-- ALUMINUL-M - - - 7175- - - - - - - - - - - - - - - - - - - - - - -- -CONDITION: T73652
DELTA K DA/DN (10**-6 IN. 'CYCLE)(KSI*IN**1/2)
A B C D
E ' R. F.L. H A.
A: 5. 05 . .359
DELTA K B:MIN C:
D
6.00 .8147.00 1.618.00 2.819.00 4.4310.00 6 .5013.00 . 15.016.00 25.620.00 . 40.025.00 : 53. 730.00 . 60.9
'.A: 32.75 62 2DELTA K B:
MAX C:
ROOT MEAN SQUARE 26. 00PERCENT ERROR
LIFE 0.0-0 5*PREDICTION 0. 5-0, 8
RATIO 0 B-1. 25 3SUMMARY 1. 25-2.0(NP/NA) :2 0
@2 8.17-64
Downloaded from http://www.everyspec.com
CONDITION/HT: T73852ALM* FORM: 6. 00"TH FORCING YIELD STRENGTH: 89.0- 70.0 KSI ALO
SPECIMEN TYPE: CT ULT. STRENGTH: 77. 0- 80. 0 KSIORIENTATION- L-T SPECIMEN THK: 0.250- 0. 998"
* - STRESS RATIO: .0. 08 SPECIMEN WIDTH: 7. 400"FREQUENCY: 5.00 HZ REFERENCES86579. 85837 7175
AK (MPA &') K (MPA V/M)4 10 40 100 4 10 40 100
® ENVIRONMENT: R. 11,11 100 ® ENVI118NM~t4T:L. H. A.
10'1 10.1
-3 m_______ 310 -21
102 10
o1 0 1 0- E 0--E
S10 -10- -Z
-410~ 10 -
166
z106 1 0-
10 lo- 10460
100
10.1RNME10>10
102 1o62 _
110
10- z 1o5 -2
>1 104 64a
-6 ____________ 110
10 10510z
00' -0 1ou
10-6 1 -
_ _1 4 10 40 100 1 4 10 40 100AK (KSI /in) riaure 8.17.3.22 AK (KSI V/T)
8.17-65
Downloaded from http://www.everyspec.com
, , - . . 7. 7 7
TABLE 8.17.3.23
'"" u5£TAINED CRACK GROWTH RATES AT DEFINED LEVELSOF CTRESS INTENSITY FACTOR
7.; OA! .9OIATED WITH FIGURE 8.17.3.23INDICATING EFFECT
OF ENVIRONMENF
MATERIAL ALt)MIN..V- 7175. CONDITION T66 2H=C' 276"
K MAX DA/DT (10--6 IN/HOUR)(KSI*IN**1/2)
A 1B C D
E F
WET 3X/DAY WITH3 5% NACL
A: 21 '. 574.
K MAX B:
MIN C
2. 50 610.3.00 71).3. 50 857.
4. 00 1043.
5. 00 1524.6.00 2140.
7. 00 e872.8.00 3693.9. 00 4573.
10. 00 5478.13. 00 8047.16.00 9947.20.00 11054.
A: 21. 50 11075K MAX B"
MAX C
D
ROOT MEAN SQUARE 16 480;: PERCENT ERROR
-- 8.17-66
................................. -.--..
Downloaded from http://www.everyspec.com
L.F J- %
-4 CONDITION/HT: T55 21H 0.376" ALUM.FORM: FORGING SPECIMEN THK 100 ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH. 5. 000ORIENTATION:S-L CRACK LENGTH (A0):YIELD STRENGTH: K isGC:ULT. STRENGTH: REFER ENCES:78313 77
K max (MPA %/m) K max (MPA %/,M)4 10 40 100 4 10 40 100
ENVIRONMENT: .102 ENVIRONMENT:WET 3X" DAY WITH
00 3.5% NACL-10100 101
10 - 10
1 0 1 0 0 --2~1 _ _ _ _ _ _
01 _ _ _ _ 2 _ _ 0o~ 10 10 c
Z_ E-3~10 103
10-2 10. 2
100
1 -3 0-3
10 -0 10 10 -4
10 10-~1o 44 10 4 0 0 4 0
ENVIRNMEN: 10 ENVRONMET: 140 10 40 10
10 10,
-10
10 101
10 10010'
010 10 10E
10 E
100 2 o 10-2~
104
10-4 10
10 40 100 1 4 10 40 100- ~KSI\/'~Th Figure 8.17.3.23 Kmax (KSI VT
8.17-67
Downloaded from http://www.everyspec.com
TABLF 8. 17. 3. 24
S~~T~i~riCRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DArA ASSOrrIATED WITH4 FIGURE 8.17.3.24IND1CAT ING EFFECT
OF ENVIRONMENT
MATERIAL: AtLUMINUj!M 7175CONDIITION T66 2-H O 9238
K M"X DA./OT (IO**-6 IN/HOUR)
AB C D
WET 3YX/DAY WITH35% NACI
A:K MAX B:MIN C-
D:
200-00
A:KMAX B:MAX C:
D:
-- ROOT MEAN SQUARE 0. 00PERCENT ERROR
8.17-68
Downloaded from http://www.everyspec.com
CONDITION/HT: T88 2H = 0.928" ALUM.FORM: FORGING SPECIMEN THK: 1.000 "ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH: 5. 000ORIENTATION:S-L CRACK LENGTH (A0 ):YIELD STRENGTH: K Isc: 77ULT. STRENGTH: REFERENCES:78313
K max (MPA Vm) K max (MPA Vm)4 10 40 100 4 10 40 100I I 1 1 1 - I I I 1 1 1 1 1 I 1 1 1 I
ENVIRONMENT: 102 ENVIRONMENT:WET 3X/DAY WITH
10 3.5% NACL 100
-..1-.._ _4-1,uo -- _ _
10 -10100 100
Z 12 __ _ .... 2 00l -U 102
C 10 -10 E
10- 10- -,.2
102 ,
V
10 ___0____ 10______
10 -- _-_1_--_"- 10' 4
. .'.10_- 3 3
10-0
11 44
ENVIRNMEN: 10ENVIONMET:11
1 .- < - 100l 1101 101
-]i i1 5 -- --_____ ______________ I 1 O_________--__
10 - --
1 4 10 40 100 1 4 10 40 100
2--ENVIRONMENT: 102 @ ENVIRONMENT: 102
010 - 10 0
-1 1
10 2 0
10" - 10-
.. .- _ 100 _- 100
E( 10. 0 -2 10. 1 -
100
* io 3. . -0 3"
-Z-: 1°3 lo- 5
10 10
LjJ . --- 10 "6 -- JLIJ.....LJ_6 I, "I,'- 10-3h -- 11 1 6F I I I0
"311 1 1 1 i
1 4 10 40 100 1 4 10 40 100K max (KSI v?n) K max (KSI v"in)
Figure 8.17.3.248.1 76
o '."8. 17-69
Downloaded from http://www.everyspec.com
* - -L * .~ .- .-. - - ' -. ~ - ~ ~*w-~--7*.67
TABLE 8.17.3.25
SIJ5TAI NED CRACK GROWTH RATES AT DEFINED LEVELSjOF STRESS INTENSITY FACTOR
LDATA- =1SOCIATED WITH FIGURE8.17.3.25INDICATING EFFECT
OF ENVIRONMENT-------------------------------------------------------------
MATERIAL ALUMINO.1 7175CONDITION: T736 2H=0 928"----------------------------------------------------------------------------------------
K MAX DA/DT (jO**-6 IN/HOUR)
A B3 C D
A:K MAX B:
*MIN C:D:
200.00
AK MAX BMAX C II
D
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 0.00
PERCENT ERROR
8.17-70
*. .. . . . ~.. . . . . - * *. - --
Downloaded from http://www.everyspec.com
CONDITION/HT: T73 .:7 2H = 0.50" ALUM.FORM: FORGING SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION: CRACK LENGTH (Ao):
-. YIELD STRENGTH: KISCC:ULT. STRENGTH: REFERENCES:84284 7175
K max (MPA vrm) K max (MPA V/m)- 4 10 40 100 4 10 40 100
O ENVIRONMENT: 102 ENVIRONMENT:
100 100
101
= 10°10
10.. 1000
0 10 100 .0
0 1010 -10
-1 11os , o-
1 4 0 0 1'0 ioE N I O M E T 4 0 E- 0
3 E- -30 10 -
10 6 b-2,11 I l10-1 I0 ,2l0 1 11
10001010
10 E-
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* -' ENVIRONMENT: 102 @ ENVIRONMENT: 102
S-_ 02100 0
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Kmax (KSI %/n)Kax(SI-/-nFigure 8.17.3.25 Kmx(SVT
8.17-71
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TAT3LF 8.17.3.26
--_-L;_TAINED CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATE._ WITH FIGURE8.17.3.26TNDICATING EFFECT
OF ENVIRONMENI
---------- ------------------------- ~------------------------------------MATERIAL: ALUM tjkY'nI 7175CONDITION: T73, 2H=O. 50"
-------------------------------------------------------------------K MAX DA/DT (10**-6 IN/HOUR)
A B C D
E
A:K MAX B.MIN C:
D
200.00
A.K MAX B:MAX C:
D:
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 0. 00PERCENT ERROR
8.17-72
Downloaded from http://www.everyspec.com
CONDITION/HT: T738 2H = 0.928" ALUM.FORM: FORGING SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:ORIENTATION: CRACK LENGTH (Ao):
"- YIELD STRENGTH: KSCC:7175ULT. STRENGTH: REFERENCES:84264
K max (MPA V/m) K max (MPA v-m4 10 40 100 4 10 40 100
ENVIRONMENT: 102 ENVIRONMENT:..-.. 100 -100
1001 10
010 110
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K max (KSI Vyn) Figure 8.17.3.26 Kmax (KSI v, n)
8.17-73
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TABLE 8.18.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.1 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178CONDITION: T6
-. ENVIRONMENT: R.T. .H.H.A.
DELTA K .DA/DN (10**-6 IN./CYCLE)CKSI*IN**1/2)
A B C D
. R=+0- 05 R=+0. 50
A: 3.09 :.109DELTA K B: 1.64 :.0279
MIN C:D:
2.00 :.1262.50 :.2093.00: .3453.50 :.129 .5894.00 :.198 1.055.00 :.631 3.456.00 : 2.40 7.817.00 : 5.26 10.38.00 : 7.61 14. 19.00 9.0810.00 : 10.113.00 : 15.3
A: 13.11 : 15.7DELTA KB: 9.87: 29.7
MAX C:D:
ROOT MEAN SQUARE 22. 81 34. 25PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0.8
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8. 18-14
Downloaded from http://www.everyspec.com
CONDITION/HT: TS3 ALUM.FORMSHEET YIELD STRENGTH: 82.0 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 89. 7 KSIORIENTATION: L-T SPECIMEN THK 0. 190"FREQUENCY: 9 .09 HZ SPECIMEN WIDTH: 3. 750" 7178
*. ENVIRONMENT: R. T.., H. H. A. REFERENCES:BWOOI
AK (MPA vAK (MPA N/m)4 10 40 100 4 10 40 100olo ,,o o ::
STRESS RATIO =.I- 05 STRESS RATIO -IL 50
102 10
10.1 10.
0"5 1.2 10"10 2 j
j 1010 04 4%
100 1010-
1' l 4 II
10-5 ldo 2
10 10F
10 .3 10-61o.8
4 10 40 100 1 4 10 40 1 0
l rd1Tr FrrP - 10 TT'6 TT ,F
_STRESS RATIO 1 STRESS RATIO 10
102 102
010-1 10-
63 1-
-610.2 1 2
-- - -1014 U
S44 100 4 10
0-6
10607
1 4 1 40 1 1 0 4 10
A K (KSI vfTn) AK (KSI VTM)Figure 8.18.3.1
VP 8.18-15
A-%.
Downloaded from http://www.everyspec.com
* TABLE 8. 18. 3. 2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.2 INDICATING EFFECT
* ~ OF STRESS RATIO- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ---J- - - - - - -
MATERIAL: ALUMINUM 7178CONDITION: T6ENVIRONMENT: R T. , H.H. A.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-+0.05 R=+0.50O
A: 7.65 11. 5DELTA K B: 3.65 1.30MIN C:
D:
4.00 :2.265. 00 :6. 426.00 :12. 17.00 :18.88.00 : 13.3 27. 19.00 : 18.7 37.910.00 : 24.5 52.613.00 : 44.7 184.16.00 : 71.4 923.20.00 : 142.25.00 6 42.
30. 00 :3933.
4A: 33. 50 :13249.DELTA K 3B 1 1: 9786.
MAX c:
ROOT MEAN SQUARE 47. 97 66. 48PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.8
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.18-16
Downloaded from http://www.everyspec.com
CONDITION/HT: TS .FORM: SHEET YIELD STRENGTH: 82.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 8g. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 190"
- FREQUENCY: 9.00 HZ SPECIMEN WIDTH: 5. 000" 7178ENVIRONMENT: R. T. . H. H. A. REFERENCESBW001
%. ..
AK (MPA Ve/-) AK (MPA V/Th)
4 10 40 100 4 10 40 100
G) STRESS RATIO = 05 10 0 STRESS RATIO = -0. 50: 1 6o2 1 =6o 2 _ -
10 10
4 -4
1023 10- E
S10- 10-
- -C104 U4
101 10 10-
10.7 01-7 -10
1 4 10 40 100 4 10 40 100©I I'- - ' 1- ' I ' ,' I0 0
STRESS RATIO = 100 STRESS RATIO 100
12 _ _ 2 0
0_ 10 " 10 10 "1
-03 _1- -
- 102 102i u _ __ __1__ _ __.4 --__ __"
S -10 10 .3
1 E
'a 10 - 107 -11
7
-- -- 16 - 1 "
10- 10
_______ _ - 4
-- - 10 6
• " ,'. -' 10"8 1 lil 1,= I =I=Ih - 1078 f I 11I t= , 1,1-1
1 4 10 40 100 1 4 10 40 10AK (KSI Vn) AK (KSI Vn)
Figure 8.18.3.2
I 8.zs-e
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Downloaded from http://www.everyspec.com
TABLE 8.18. 3. 3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.3 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178CONDITION: T6ENVIRONMENT: RT. ,LAB AIR
* DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-0. 02 R=+0. 50
A: 6. 14 -894DELTA K B: 5.67 5. 44
MIN C:D:
6.00 :7. 117.00 2.46 11.838.00 5.24 17.09.00 E3 653 26.110.00. 11.9 47.3
* ,13.00 : 21.818.00 : 36.620.00 : 89.9
A: 20.58 : 105.DELTA K 9: 10.80 : 6.0
MAX C:D:
----------------------------------------------------------------
ROOT MEAN SQUARE 16. 09 25. 87PERCENT ERROR
LIFE 0. 0-0. 5PREDICTIOJN 0. 5-0. 8 11
*RATIO 0.8-1.25 51SUMMARY 1.25-2.01(NP/NA) >2 0
NMI1-1
Downloaded from http://www.everyspec.com
CONDITION/HT: T5 LMFORM: 0. 2o"TH SHEET YIELD STRENGTH: 81. 8- 85. 0 KSI ALYSPECIMEN TYPE: CCP ULT. STRENGTH: 88.2- 90.5 KSIORIENTATION: L-T SPECIMEN THK: 0. 200"
- -~FREQUENCY: 10. 00- 14. 00 HZ SPECIMEN WIDTH: 11. 500' 17ENVIRONMENT: R. T. LAB AIR REFERENCES:85098877
&K (MPA Nrm4i) &K (MPA -%/-m-)4 10 40 100 4 10 40 100
10ooSTRESS RATIO - 0. 02 STRESS RATIO 5 02
10- 10-
100 100-3~~0 3__ _ __ _ _ _ 3__ _ _ _ _ _ _ -3E__ _ _ _ _ __ _ _ _ _ _ _ _
100 E1
-0 i02 1-4 -4 704c.,~1 10-1
106 - 1066
z 107 10-
-7 -7
108 - 1 - 1078 L 0-
1 4 1 40 101 4 10 40 100
STRESS RATIO lo STRESS RATIO lo
10 - 01010.1 10.1
1 oF3 1073
1 02 10-2
U
z E
100 -4 W 0
1F 1 O
10- 1010
1 oF8 1 il
1 46 104 001 4 10 4 0
,&K (KSI vrTn) Figure 8.18.3.3 &K (KSI N/7n)
Downloaded from http://www.everyspec.com
W-1 -r.
4 'ABLE 8.18.3.4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.18.3.4 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178CONDITION: T6ENVIRONMENT:- R.T., LAB AIR
DELTA K .DA/DN (1O**-6 IN./CYCLE)(KSI*IN**1/2)ABCD
R=+0. 02 R=+0. 50
KA: 8.28 83.78
DELTA KB: 4.70 .6.33
MIN C:D:
5.00 6.476.00 B. 837. 00 :13. 5B.00 :20.29.00 : 10.3 29.9
10. 00 . 12.6 45.13.00 : 22.7 180.16.00 : 42.8 1110.20.00 : 109.25. 00 393.
A: 29.76 : 1446.DLTA K B: 16. 38 :1516.
A.MAX C:
S ROOT MEAN SGUARE 34. 16 31. 55PERCENT ERROR
VpiLIFE 0. 0-0. 5v PREDICTION 0. 5-0.9S 2 1RATIO 0.81-1.25 3 4SUMMARY 1.25-2.0 1 1(NP/NA) >2. 0
8.18-20
Downloaded from http://www.everyspec.com
. :. . .. . . - . . . . . . . .
CONDITION/HT: TS ALUM.FORM: 0. 20"TH SHEET YIELD STRENGTH: 81.18- 85. 0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 88. 2- 90. 5 KSIORIENTATION: L-T SPECIMEN THK: 0. 20"FREQUENCY: 1.00- 5.00 HZ SPECIMEN WIDTH: 11. 500" 7178
,-.. ENVIRONMENT: R.T. LAB AIR REFERENCES:98088
A K (MPA A/~) AK (MPA 4 10 40 100 4 10 40 100
STRESS RATIO = +0. 02 10 STRESS RATIO = -0 50. 10" - 10.2 --
-10 10.A --
10-2-2> 0. 4 10 4 1
,.'.: .10-3 '- 10.3 E
S10 - o
m 010
04 z6 10 10
1-6 _, 1-6 -- ________ _____ _ _ --
10F 10
10-107 -Z 1-7
1"'' - 10.6 io 81 10.
1 4 10 40 100 @ 4 10 40 100( = I ' ''' I ' I' ''' I ***j**j@* 11~*1
STRESS RATIO "10 STRESS RATIO= 10o
10 - 10-
10- 10-2
. - .=10.2 _i_102 _-
11-4 -- )
S,._ 10.3 __ 10.3 Ez- 10-
•~~ 0 - - 04 --- 104
166 1
10-0- 5 l1-5_____,_10. 7
__.__ - 10-7 -- -- z
6 -6
- 116 1 ~ 1 1 ill10'e ,, I =I,~ - 10-e III 11 -
1_ 8 4 10 40 100 1 4 10 40 100AK (KSI ip) &K (KSI v'Tn)
Figure 8.18.3.4
8.18-21
*., C *. A .. P_ i- A ** ***.+*. *:C . A
Downloaded from http://www.everyspec.com
TABLE 8.18.3.5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
* DATA ASSOCIATED WITH FIGURE8.18.3.5 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178CONDITION: T6
*- ENVIRONMENT: R.T.H HHA.
DELTA K~ DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
* R=+O. 00 R=+0. 60
A: 4.76 : 520S DELTA K B: 2.81 :.3
MIN C:D:
3.00 . 3693.50 1.264.00 :3.285.00 :.715 10. 16.00 : 3.60 18.87.00 : 7.67 28.8
*8.00 : 12.4 40.79.00 17.5 56.710.00 : 22.8 79.813.00 : 41.2 265.16.00 : 70.7
A: 17.25 : 8.8DELTA K B: 13.07 :273.
MAX C:
* ROOT MEAN SQUARE 13. 50 13. 83PERCENT'ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0.8RATIO 0.8-1.25SUMMARY 1.25-20(NP/NA) >2. 0
8. 18-22
Downloaded from http://www.everyspec.com
*w .: .. ,; : J , .. < .4 . ., - , ,. .. .. , , , - . , .: . . . I : . . . : .:l . . : . :
CONDITION/HT: TS ALUM.FORM: 0. 25"TH SHEET YIELD STRENGTH: ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 183"
.. FREQUENCY: 9. 00 HZ SPECIMEN WIDTH: 5. 000". ENVIRONMENT: R. T. & H. H. A. REFERENCES:BWO02
-::" AK (MPA v'm) &K (MPA Vm)4 10 40 100 4 10 40 100
.I .'.-. 100
STRESS RATIO= t0. 00 STRESS RATIO= +o. S0
162 1 2
10 " 10-1
:': 1 . 3 -10
.3i i - ___ - ,oS10-2 10-2
0 "". 4 4 _ __1__- _0,1 6 10-10. /F 10- E
Z E
10-4 10-4
-6__ __ __ _ -_-_0-1066I_,_l 10 1
1 0 10
,,-,,STRESS RATIO =o STRESS RATIO 10=
":---"10-2 10-2-10 -2-
1 0 _ __ - .= 1 0" _ 1 0
10 10
-".-', 10 2 10 . 2 E
I-4-
"-___) 1I' ': 10 10-4
S RI10S S 10
1 2 _ _ _ _ _ _ _ _ _ 1 6 27
1 0_
0
1011107610" - liO -
-- ! 107
- -107
'--
I: - '--
16-F 10 -- 10__ I0-I - lO-
1 4 10 40 100 1 4 10 40 100
&. -2ZK (KSI v "'n) A K (K SI 71'n).. Figure 8.18.3.5
"..':8.18-23
Downloaded from http://www.everyspec.com
.. .- TABLE 8.18.3.6..
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.6 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7170
CONDITION: T651
,, ENVIRONMENT: R T. , LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE).. V (KSI*IN**1/2)
, A B C D
R=+0 02
, A: 4.20 .240DELTA K B:MIN C:°":
5.00 .923
6.00 2.667.00 5.23
8.00 8.329.00 11.7
10.00 : 15.413.00 29.616.00 51.4
20.00 99.6
25.00 214.30.00 454.35.00 1218.
40.00 4807.
A: 43.91 • 5423.DELTA K B:
MAX C:
D:
ROOT MEAN SQUARE 22. 83
,-- PERCENT ERROR
LIFE 0.0-0. 5IN PREDICTION 0. 5-0. Sq RATIO 0.8-1 25ItSUNARY 1.25-2.04 (NP/NA) >2. 0
8.18-24
. .. . 4 -
Downloaded from http://www.everyspec.com
CONDITION/HT: T1551 ALUM.FORM: 0. 13"TH SHEET YIELD STRENGTH: 82.5 KsI IALLOYISPECIMEN TYPE: CCP ULT. STRENGTH: 89. 5 KSI
*ORIENTATION: L-T SPECIMEN THK: 0. 083"FREQUENCY: 0.10- 12.00 HZ SPECIMEN WIDTH: 8.000" 7178
-ENVIRONMENT: R. T. *LAB AIR REFERENCES:MA01 1
&K (MPA V'M) &K (MPA -%,/-M)4 10 40 100 4 10 40 1002' 100 IIfil -
STRESS RATIO = +0. 02 -=0 W -STRESS RATIO = -
162 Z________ 16________2 _________
100-1 10-
10.1 10-2
10 1S) 10 -3a03
z E1- 105 - Z
m o74
166 1166
107 7 10F
S- 1 10
10O I I I I' III I 1 lI I I1 1 1
1 4 10 40 14 10 40 100
0 STRESS RATIO 1( STRESS RATIO= 100)
102 Z 102
10.1 10-1
16 1 - 1 F 10 ,2
-4 64100- .
10 30 3 E
10 105 10
10 107
10106 10-6
1 4 10 40 100 1 4 10 40 100,.~. ~AK (KSI AK (KSI vrT-n
Figure 8.18.3.6
8.18-25
Downloaded from http://www.everyspec.com
.. .b . .. .- . . . . . • . ° .
TABLE 8.18.3.7
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.7 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178CONDITION: T651ENVIRONMENT: R. T., LAB AIR
-V. DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
.,A B c D
R=+0. 00 R=+0. 02
A: 4.82 .735DELTA K B: 3.99 .211MIN C:
4.00 .2165.00. .799 .9806.00 2. 19 2.557.00 4.60 4.90
S8.oo: 7.44 7.899.00 10.3 11.4 t-10
10.00 13. 1 15.413.00 21.1 30.616.00 31.3 53.620.00 56.8 107.25.00 144. 253.30. 00 444. 603.35.00 1443.40. 00 3382.
A: 30.28 475.DELTA K B: 44.41 : 6207.
MAX C:m D:
R3OT MEAN SQUARE 12. 99 50. 13PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.3
RATIO 0.8-1. 25 2SUMMARY 1.25-2.0(NP/NA) >2. 0
,ee . • .
-'-a. 8.18-26
o'..'
4 . . . .o .- . °. ". .. .°, '- .o° " .°. " o.•% - o . o% * .
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 0. 25- 0. 50"TH PLATE YIELD STRENGTH: 72. 0- 83. 5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 80. 5- 89. 7 KSIORIENTATION: L-T SPECIMEN THK 0. 100- 0. 185"FREQUENCY: 0. 10- 20. 00 HZ SPECIMEN WIDTH: B. 000- 8. 000" 7178ENVIRONMENT: R.T.. LAB AIR REFERENCES:R1002. MAO11
AK (MPA V'm) AK (MPA N/'m)4 10 40 100 4 10 40 100
STRESS RATIO= +0. 00 =10 STRESS RATIO = 0. 02-62 -________ 1-2 Z________ ________
100 101
163 - 10 2 1 . --
10.
1 10F
,"- 10-3 10-3 E
" 10- 10-
1I 10. •
10 10'
10 10 1 52
U6 -6-6__ _ __ _ _
1010 10-10 31"10
16 8 10. 1 8 I I I II l I 1 1 1 1 1 0 2 ,
110 41 0='''' I ItI'' 100lq I 1 11
STRESS RATIO- STRESS RATIO= 100
-,2 10.5 2 1 2 Z
11001 10.
10- 2--1 . -- -10;
.- 2-- --.
LId 4 L
-- 10 -3 Ez1 E
1 ll - 10-0 I
1074
166 1 4 1 40 0 166 10.55
1001 OF 1 OF 7
io~~1 .. L±.6LLL ...... J..L..6-18 .LLJ..I........LW~
1 4 10 40 100 1 4 1K 40S 100T& . K (KSI %r~n K K1 /n
Figure 8.18.3.7
8.18-27
4 ~I
Downloaded from http://www.everyspec.com
. . 4
4..
TABLE 8.18.3.8%FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.8INDICATING EFFECT
OF FREQUENCY- ------------------------------------------------
MATERIAL: ALUMINUM 7178CONDITION: T651ENVIRONMENT: R.T., S.T.W.
-------------------------------------------------------------------------------------------" DELTA K . DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
F(HZ)= 6.00 F(HZ)= 20.00
A: 5.01 2.50DELTA K B: 4.56 " .685
MIN C:D:
":,". 5.00 .8296.00 : 7.05 2.90
7.00: 12.1 6.618.00 : 17.1 11.29.00 " 22.8 16.410.00 : 29.2 22.313.00 • 53.7 43.516. 00 : 88. 072.320.00 : 157. 134.25.00 : 341. 281.
A: 29.40 : 778.DELTA K 8: 29.56: 345.
MAX C:D-
ROOT MEAN SQUARE 5. 55 10. 8O" - PERCENT ERROR
-----------------------------------------------------------------------------------------
LIFE 0. 0-0. 5PREDICTION 0. 5-0. SRATIO 0.0-1.25 1 1SUIWY 1.25-2. 0
.. (NP/NA) >2.0
8.1 -2
~8.18-28
,%
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 0. 25"TH PLATE YIELD STRENGTH: 81.5 vsi ALLOY
*.. SPECIMEN TYPE: CCP ULT. STRENGTH: 89.7 K31ORIENTATION: L-T SPECIMEN THK: 0. 125"STRESS RATIO: -o0.01 SPECIMEN WIDTH: 8. 000" 77ENVIRONMENT: R. T. p S. T. W. REFERENCES: R1002 77
&K (MPA i/Wi A K (M PA i-e/Wi4 10 40 100 4 10 40 100
I I TI T 1 11111 1 -tI I' , I'l I I I 1 11 1 -
FREQUENCY (Hz) 8. 00 1 o0 FREQUENCY (Hz) 20. 002
Z________
10 - 01010.1 10.1
15-i .
10-1 100
10, 3o 3 Ez E
c*ol0 16
1a 10-4
- 106
1a Z. 10-
%1 4F 10 40 10
.* %4 © FREQUENCY (Hz):lo FREQUENCY (Hz): 100
- 0 - 1 0-
1o3 -OF
p .10-2 1i ,2
4 C14 16
10- -3 10E
V 110
16 11
10 1010
* 100-1
10 z 107
&K (KSI VIM) &K (KSI v5TnhFigure 8.18.3.8
8.18-29
Downloaded from http://www.everyspec.com
TABLE 8.18.3.9
* FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.9 INDICATING EFFECT
OF ENVIRONMENTd*.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MATERIAL: ALUMINUM 7178
CONDITION: T651D/N~0*- N CCE
DELTA K D/N(0*6I.CCE(KSI*IN**1/2)
A B C D
E=tR T. E= R.TLAB AIR -20117 S.T.W. - 6HZ
A: 4.35 .364DELTAK B. 5,16 3.42MIN C:
D:
5.00 :.4786.00 . 1.43 6.327.00 3.46 10.38.00 6.06 14.79.00 8.81 19.310.00 11.5 24.313.00 : 20.1 44.516.00 : 34.4 132. 5
20.00 : 85.2 208.25.00 : 378. 781.
A: 27.90 : 382.A. DELTA K B: 25.29 :847.
MAX C:
ROOT MEAN SQUARE 20. 21 12. 78PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.9
RATIO 0.8-1.25 11SUMMARY 1.25-2.0
(NP/NA) >2. 0
8.16-30
Downloaded from http://www.everyspec.com
CONDITION/HT: T851 ALUM.FORM: 0. 25"TH PLATE YIELD STRENGTH 831.5 KSI IALLOYISPECIMEN TYPE: CCP ULT. STRENGTH. 89. 7 KSIORIENTATION- T-L SPECIMEN THK: 0. 125"STRESS RATIO: .-0.00 SPECIMEN WIDTH. 18. 000" 7178FREQUENCY: REFERENCES:R 1002
AK (MPA V/mW) AK (MPA N//_Th4 10 40 100 4 10 40 100
'- ENVIRONMENT: R. .. 100 .I ENHNMT:RT.LAB AIR 20HZ S.T.W. - HZ
10>- 10-1
io 3 -O3I
0)10. 2 10-2
> .4 -4
loZ 10 -0 E
o 10 -10-
10-
1010
Amk10.6 10.6
ENVIRONMENT: 100 @ ENVIRONMENT: 100
-62 -62
10.1 10.1
.10-2 10-2_
0 40
0 1 0 - 1 0 31 E10 E
10 10
10-4 4% 10.
-6 6610 -1
100
1 .F7 .F7
10- -010
10.6a 16 06 11 1 111f l
1 4 10 40 100 1 4 10 40 10~~~~~AK (KSI V~nAK(K1 1 n
Figure 8.18.3.9
8.18-31
Downloaded from http://www.everyspec.com
... . .. .. . .. ......- 5.
TABLE 8.18.3.10
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA' ASSOCIATED WITH FIGURE 8.18.3.10INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7178CONDITION: T76
DELTA K DA/DN (1Q**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. '. E= R. T.L.AB AIR DISTILLED WATER
*.A: 4.01 .260DELTA K B: 4.00 .434
MIN C:
5.00 .605 .7526.00 1.27 1.707.00 2.35 3.3083.00 : 3.86 5. 519.00 5.72 8.3410.00 7.76 11.813.00 . 15.0 25.716.00 : 26.2 45.820.00 58. 1 87.225.00 : 153. 180.30.00 : 330. 362.35.00 : 613. 706.40.00 : 1044. 1335.50. 00 : 2653. 4323,
A: 56.27 : 4541.DELTA K B: 50. 42 :4529.
MAX C:
ROOT MEAN SQUARE 34. 73 27. 87PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.6
RATIO 0.8-1.25SUSIMARY 1.25-2.0(NP /NA) >2. 0
8.18-32
Downloaded from http://www.everyspec.com
CONDITION/HT: T78AFOM 0. 10- 9L 19"TH SHEET YIELD STRENGTH- 70. 5- 75.0 KSI ALO
SPECIMEN TYPE: CCIP ULT. STRENGTH: 79. 0- 91. 5 KSIORIENTATION- L-T SPECIMEN THK: 0. 1SO- IL 194"
-p,..FREQUENCY: REFERENCES:MA012 7179
AK (MPA Vm- A K (MP A -,/*)4 10 40 100 4 10 40 100
* ~A EN IRET .. 101 .EV ONMENT: R. T..
LA IR( DISTILLED WATERoi
100-10-1
U.--
c -310 10- E
S10- -l
101 i0 z-4
10 1010
1 o 5 1 5
10 10
1 u6 10.6
1-O8
'!Z ENVIRONMENT: 100 ENVIRONMENT: 100
100- 1
10-1 1
ul10 2 0Lo) 10 - E
1- 164
10 10-3
-6 10,
10.610
~. 10F W,. L. L L 1 4 1 0 0 1 0
14 140 01 4 10 40 10A K (K SI "Th Figure 8.18.3.10 AK (KSI VrW)
d 8. 18-33
Downloaded from http://www.everyspec.com
TABLE 8.18.3.11
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGIJRE8.18.3.l1INDrCATING EFFECT
OF STRESS RATIO------------------------------------------------------------------
MATERIAL: ALUMINUM 7178* CONDITION: T7651
ENVIRONMENT: R T. LAB AIR-----------------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R -+0. '33
A: 1.-7 :57DELTA K B:
*MIN C:
* D:
6.00 2.60
9.00 9.57
10.00 12.813.00: 29.1
A: 15.78 3 67.2SN DELTA K B :
MAX C:
----------------------------------------------------------------
ROOT MEAN SQUARE 12. 31PERCENT ERROR
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LIFE 0.0-0.5PREDICTION 0.5-0.3
RATIO 0.8-1.25 4SUMMIARY 1. 25-2. 0(NP/NA) >2. 0
8.18-34
Downloaded from http://www.everyspec.com
L CONDITION/HT: T7851 SEIE H:0 4-
SPECIMEN TYPE: ccp ULT. STRENGTH: 80.80 KSIFORM:NTTION 44- 0.SPETCPAT IMTENTH: 6. 2- 0. 9K88ALO
FREQUENCY: 5. 20 SPECIMEN WIDTH: 2. 999- 3. 000" 7178ENVIRONMENT: R. T..*LAB AIR REFERENCES:8521 3
& AK (M PA .V/Th) &K (MPA V/m)-. 4 10 40 100 4 10 40 100
STRESS RATIO - 0. 33 STRESS RATIO
162 16i2
10-10.
1 10-2ulO -11
*c -3 .3 E*~1 - 0
IU E
165_ __ _ _ __ _ __ _
V 16 U U C
1 75 10'
7 1OF
(II~1 6 1 6
1 4 10 40 100 1 4 10 40 100
© STRESS RATIO STES RA00T''IiI 1
10.1 101
10-2 10-1
10 10 -2
10-3 3 E
2~10
104 07
- 10.6
16841040100 1 41 0 4 100
AK (KSI &~~ K (KSI V/7hFigure 8.18.3.11
8.18-35
* 4S
Downloaded from http://www.everyspec.com
,* ,%"..
TA3LL-: 8.18.3.12
FATIGUE CRACK OROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8 . 1 8 . 3 . 1 2 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178
CONDITION: T7651
ENVIRONMENT: R.T., LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)
". R=+O. :33
A: 5. 59 1. 50DELTA K B:
MIN C:
6.00. 1.947.00 3.76
8.00 . 6.239.00 9.3210.00 1 13.213.00 33.916.00 83.2
A: 16.70 • 94.3DELTA K B:
MAX C::? .' " D:•
ROOT MEAN SQUARE 13. 84PERCENT ERROR
LIFE 0.0-0.5..-. PREDICTION 0. 5-0. 3 1
RATIO 0.8-1.25 2SUMMARY 1. 25-2.0
.%, ( NP/NA ) >2. 0
,-
.%
~8.18-36.5.
Downloaded from http://www.everyspec.com
CONOITION/HT: T7851ALM* FORM: 0. 49"TH PLATE YIELD STRENGTH: 89.2 KSIALO
SPECIMEN TYPE: CCP ULT. STRENGTH: 79. 1 KSIORIENTATION: T-L SPECIMEN THK: 0. 485
.FREQUENCY: 5.20 SPECIMEN WIDTH: 3. 000" 7178..- ENIROMET: R. r. *LAB AIR REFERENCES:8821 3
AK (MPA V/ AK (MPA m )4 10 40 100 4 10 40 100
I, I%4" - , I ,H1 1 1 1
STRESS RATIO -o. 33 100 STRESS RATIO A
162 162 _______
10.1 10.1
1 ci
10 10-?
0 1 lO
65o- 1 _1--
z
. 10-" 10-4
166 -- __ 10. _ - 1 .2
i-o _ _ _ _ _ _ _- -- > .__ _
10. 4 1 . 10-- 6
U5 1010
STRESRA IO_ 10. ST ES R TI_ 10.0-2 7- 16?
16 1-
110 10.3 _ _,_-_--__ -
'. 100. 11.72-
10- 10-1-5
6 6
10- 10 E
,.+ - _ _ _ _ _ _ _ _ _ _ _ _ m __--
10 E
1, .0 e 1 , I ~ lI I i 0 ,1 1, I , 1
4 *. 1 4 10 40 10 10 4 10 40 10
KK1Fg 1.12
4U4
mv.', 10"2 10-66
;.__. 10.4 1.4 5
* -*. -. .-c 10.3 .
3 E.
% 1
!0 104 10F,
,j' 10- - 10. -
%'. ...,4 10 40 100 1 4 10 40 100
" " "+"&K (KSI v/-' ) A K (KSI V1'n)" ' 4Figure 8.18.312
: '-; 8.18s-3 7
Downloaded from http://www.everyspec.com
TABLE 8.18.3.13
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.13 INDICATING EFFECT
OF STRESS RATIO
MATERIAL ALUMINUM 7178
CONDIT ION T7651ENVIRONMENT R T , LAB AIR
Dki.TA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R=+0. 33
A: 5.52 2.74DELTA K B:
MIN C:D:
6.00 3.33". 7.00 4.86
8.00 6 8.90." 9.00 9.63
10.00 13.213.00 32.516. 00 75. 1
A: 16.23 • 79.9DELTA K B:
MAX C:-V...D:
ROOT MEAN SQUARE 12. 03
* -. PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0 5-0. I
RATIO 0.8-1.25 3SU".NWY 1.25-2.0(NP/NA) >2.0
.1 3
-4
-V:...'
'p... ",
a.'. 8.18- 38
'1.'.
.o4 °. .. . .. ... ..,
Downloaded from http://www.everyspec.com
CONDITION/HT: T7551 ALUIIFORM: 1.38"TH PLATE YIELD STRENGTH: 72. 5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 81. 3 KSIORIENTATION: L-T SPECIMEN THK: 0. 748"
-FREQUENCY: 5.20 SPECIMEN WIDTH: 3.000 7176. ENVIRONMENT: R.T.. LAB AIR REFERENCES:86213
m~I.
AK (MPA N/'m) AK (MPA 4 /T). 4 10 40 100 4 10 40 100
STRESS RATIO= +0. 33 10 STRESS RATIO=1-2 1-2
" ._ 10 -1 10 -1
10F3 102 0 .3
10 " 1 101
S 10. 3 10. 3
Z10 5 lO
100 10 6
10.5 104 '10-7 10 7
10 .10. 16"
10 o7
10 10-0
11 131 1
10 - 10-
Z10F3 10 5 -3.1 -21 0_6
-- 08 1 ... L 10"s L- -
-64 10 . 10"7 --
. 1 4 10 40 100 1 410 40 10
10 10
S10.1 10 1
io 3 o7110.2 -1074
107 10 1 5
" . " " " % % - " - - - • "---%"% . . .% . . . C-"- •"% .)% j " ' - . -'
10-6-,...-
~io ____1_-1
104 1 4 0 14 1 0 15
,&K (KSI /7n) Figure 8.18.3.13 &K (KS I VIM-)
5, 8.18-39
Downloaded from http://www.everyspec.com
TABLF 8.18.3.14
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.18 .3.14INDICATING EFFECT
OF STRESS RATIO----------------------------------------------------------------------------------------
MATERIAL: ALUMINUM 7178CONDITION: T7651ENVIRONMENT: R.T., LAB AIR------------------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN./CYCLE)(KSI*IN**I/P)
A B C D
-R=+O. 33
A: 5.54 2 10DELTA K B:
MIN C:
6.00 2.957. 00 4.808.00 7.299.00 11.010.00 16.2
- 13.00 43.6
A: 13.28 " 47.2DELTA K B:
MAX C:D:
--------------------------------------------------------------------------------r ROOT MEAN SQUARE 4. 49
S.- N PERCENT ERROR----------------------------------------------------------- -----
LIFE 0. 0-0. 5PREDICTION 0. 5-0. S
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
5.'..
5 ,- ..
8.18-40
.'.-5*** **.. .. * ... - ... . . . .. .. .. - * ' '... . .-.. "".,'.," , ,, .. :. ." '""", . * ". ""- .. " ." . ... ' ' -.. ..-- ".".".",-.-.'-.,,''...:-. '' 6,..'..,"*'..-". .. , ., - " *" ... :"J.'. '..
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CONDITION/HT: T7651 AU.FORM: SPECMEN YPE PLATE YIELD STRENGTSTEH: 71.1 1<5 ALLO
ORIENTATION: T-L SPECIMEN THK: 0. 751"*FREQUENCY: 5.20 SPECIMEN WIDTH: 3. 000" 77
. ENVIRONMENT: R. T. *LAB AIR REFERENCES:es2 13 77
&K (MPA V/-) &K (MPA V/Th)4 10 40 100 4 10 40 100
1101 100 1wll1 1,1STRESS RATIO = -o-. 3:3 10STRESS RATIO
10- - 10
10.1 100'
1 -2
lO -0 102
'-. 104 10
1031- E
zz
1010
-7-
10, U
STRESS RATIO= 100 STRESS RATIO= 100
-62 62 ________
100-1 10-
1 0 13 10.1
io~-2102 10-2_
U 6 40
>,~1 -A E__ _ _ _ _ _1
u 1010z E
-6 - 1016 4
10-16 11
_______ -110-
1 0-6 1 6
100
1 4 10 40 100 1 4 10 40 100&K (KSI N/7 K (KSI /T)
'4 Figure 8.18.3.14
8.18-41
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?SY: . ". -7 ".
TABLE 8.18. 3.15
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.15!NDICATING EFFECT
OF STRESS RATIO
* MATERIAL: ALUMINUM 7178CONDITION: T76510ENVIRONMENT: R. T., LAB AIR
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2) :ABCD
.4. R=-0. 33
A: 6.03 2.02.~% DELTA K B:
MIN C:D:
7.00 : 4.648.00 : 6.859.00 : 9.4410.00 : 12.613.00 : 27.916.00 : 63.8
A: 16.32 : 70.0DELTA K 3:
MAX C:
ROOT MEAN SQUARE 6. 86-. PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.8
RATIO 0.8-1.25 5SUMMARY 1. 25-2. 0
a(NP/NA) >2. 0
8.18-4
Downloaded from http://www.everyspec.com
CONDITION/HT: T78510 ALUM.FORM: 0.89 "TH EXTRUSION YIELD STRENGTH: 85.3 KS! ALLOY
* SPECIMEN TYPE: CCP ULT. STRENGTH: 78. 0 KSIORIENTATION: L-T SPECIMEN THK 0. 829- 0. 859"FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 3. 000- 3. 008" 7178
-ENVIRONMENT: R.T.. LAB AIR REFERENCES:882 13
AK (MPA Vm) AK (MPA %/M*)4 10 40 100 4 10 40 100
STRESS RATIO= -i- 33 STRESSRAI
1 0- 1 0 . 1 1 0-
10 2 10-2
-4-4
10 10
c - 0 10 1-
100 10 516
10 -
10.1 101
W11-
U1 0
0-- 10 -1.
z 5 _ __ _ _ __ _ - 10* - 0-
c~ -3_ _10_ -6 E__ _ _ _ _ _
100
1 o741
77- 10 1010
106 166
168 ~. L..J.W . 1 0 .........68........LLLL1 4 10 40 100 1 4 10 40 100
AK (KSI vihAK (KSI vrin)Figure 8.18.3.15
8.18-43
Downloaded from http://www.everyspec.com
TABLE 8.18.3.16
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
V.. DATA ASSOCIATED WITH FIGURE8.18.3.16INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7178
CONDITION: T76510ENVIRONMENT- R T , LAB AIR
-----------------------------------------------------------------------------------------* - DEI.TA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R=+o. :13
A: 5.65 2.40
DELTA K B:MIN C:
D:
6.00 2.797.00 4.298.00 6.4B9.00 9.5310.00 13.613.00 32.316.00 60.3
A 18.20 84.3DELTA K B:
MAX C:D:
---------------------------------------- -------------------------------------
ROOT MEAN SQUARE 9. 55PERCENT ERROR-------------------------------------- -----------------------------------------------LIFE 0.0-0.5
PREDICTION 0.5-0.9RATIO 0.8-1.25 3:'., ,,J.: o o
SUMMARY 1. 25-2. 0(NP/NA) >2. 0
81..'4
"-" "" 8.18-44
U 4 _.4 % .4 4. *4 . * ~ ~ '4...\ ~ j
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ALUM
CONDITION/HT: T713510ALMFORM: 3.50'TH EXTRUDED BAR YIELD STRENGTH: 63.4 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 73. 6 KSI
ORIENTATION: L-T SPECIMEN THK: 0. 750- 0. 752":-FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 2. 996- 3. 004" 77
- -AK (MPA -k/m) &K (MPA v/m)
4 10 40 100 4 10 40 100
STRESS RATIO = -o0. 33 10 19 STRESS RATIO=
-10.1 10-1
1 - ioF3
1 164 4o
3 3o E
lo z~1010
- 0 1o 5 -4
1 U 1-
1 OF 16
1 06 1
10 - 10
1078 10.1
1 4- 10 4-0 0 4 0
- 10-2 10-1
U3 1073
V1042
100
10~ 10 10-E
8-45
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TAIBLF 8. 18. 3.17
5USTAINED CRACK CRnWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
- .* .~DATA 4SSOCIATED WITH FIGURE 8.18.3.17INDICATING EFFECT
OF YIELD STRENGTH
Ix MATERIAL: ALUMINUM 7178CONDITION:
'ENVIRONMENT: R T- - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - -
*K MAX DA/DT (10**-6 IN/HOUR)(KSI*IN**l/=n)
A 13C D
CO7-NITTION:T5 ^C TION: T651 CONDITIO T651& IHR AT 370F & 6HRS AT 320F & 12HRS AT 320r
A:K MAX B
MIN C0*
200. 00
A:K MAX B:
MAX C:
ROOT MEAN SQUARE 0. 00 0. 00 0. 00PERCENT ERROR
* 8.18-46
. - S S :A
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.. 78. 1 9 171.'
4 CONDITION/HT: ALUM.FORM: 1. 0'TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:
~ . ORIENTATION: T-L CRACK LENGTH (A0):-ENVIRONMENT: R. T., KISCC: 77
ULT. STRENGTH: REFERENCES:95543 77
K max (MPA V/") K max (MPA Vm)4 10 40 100 4 10 40 100
I I I''' 1 1 1111 -t 2CONDITION: T651 & 1HR'-l CONDITION: T651 & BHRS
10 AT 320F _______-10 AT 320F101 101
1010 10110
-10 0 100
io-2 _ _ _ _ _ _ _ _0
0 100E
c 10 ~ - -___ _ _ E
10 10 2002-
* = 10 10-2
4 4 10 440 0 0 4 0Iu ' 10II ' I 0'~
1013 1013
1614 101 0-00
10 2102
00 -AT- 32- 010
0 0
-- ~1 10100
1c 4= 10 40 10E 0 4 0
3 3
ea10'2..* ******.*.** -*. ..- ..
Downloaded from http://www.everyspec.com
TABLE8. 18 .3. 18
*SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.18.3.18INDICATING EFFECT
A OF ENVIRONMEN1
MATERIAL: ALUMINUM 7178CONDITION: T651
K MAX DA,'DT (10**-6 IN/HOUR)(KSI*IN**1/2)-. A B3 C D
E= R. T.3.5%. NACL
A: 5.60 103K MAX B:
*MIN C:
6.00 36.77.00 . 294.8.00 883.
-9.00 1523.10.00 1925.
- . .13.00 . 1927.
A: 14. 70 . 1823.K MAX B:MAX C:
D:
ROOT MEAN SQUARE 30. 27PERCENT ERROR
__ 8. 18-48
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. CONDITION/HT: T551 ALUM.FORM: 1. 0"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:
:..-..ORIENTATION:T-L CRACK LENGTH (Ao):' - YIELD STRENGTH: Kscc:
ULT. STRENGTH: REFERENCES:5543 7179
K max (MPA ,/"m) K max (MPA V/'m)4 10 40 100 4 10 40 100
I 1, ,, , , , 1 1 1211ENVIRONMENT: R.T. 102 ENVIRONMENT:
3. 5X NACL100 100
1'. _ 01 101.... 1 __ 10____________
10 - 10
100 100 A
010 -- 1 2 0- 10 10 E
r3_ 10"3 ,,_ 103 ,0
102 10.2
4410. 10-'10- 3 10 3
1 0 0 -4 1 0 .- -- _
10 ._ .10-6F.1 11111 - 0 _ 1 1j 1-j11 4 10 40 100 1 4 10 40 100
... 1 111 1 1 111111 t 2 I 1 1 1 11111r1T w 2ENVIRONMENT: 10 ENVIRONMENT: 10
100 _ 100101 101
10, 1"1 100- 100- 101 ,
. 2 0__.___-10 -10 10
" -- 10.2 - 10.2 "E-31
.10 . 103,10
cc1 . 10 -10 10'
10a .- -10 4 0 - - 1 "
--4
10 1~ 1
""410 40 100 10 10L40 -
Km"0K,.V Figure 8.18.3.18 max
8.18-49
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Liw ..9.-9-.
TABJLE 8.18.3.19 9~
SUSTAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STrREss INTENSITY FACTOR
DATA ASSOCIATED WITH FIO-URE8.18.3.19 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7178~ .. ~ CONDITION: T7651
YK MAX .DA/DT (10**-6 IN/HOUR)
A 13 C D
. E= R.T.
:3. 5%. NAI.L
9/ A:
K MAX B.MIN C.
- 200.00
A:K MAX B: 4MAX C:
------------ ------------- -----------------------------------ROOT MEAN SQUARE 0. 00PERCENT ERROR
8.1 -5
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CONDITION/HT: T7851 ALUM.FORM: 1. B"TH PLATE SPECIMEN THK: ALLOYSPECIMEN TYPE: DCB SPECIMEN WIDTH:
. ORIENTATION:T-L CRACK LENGTH (A0):YIELD STRENGTH: KIsCC:ULT. STRENGTH: REFERENCES:95543 7178
K max (MPA v/'m) K max (MPA Vm)
4 10 40 100 4 10 40 100
ENVIRONMENT: R. T. . 102- ENVIRONMENT:3.51 NACL -
-"1 0 _1 _ _ _ _ _ _ _ _ _
., . , _ _1 0_-__ _ _1 010
- 10
0 0
S- 10 -100
olO -u2 __ _ _ _ _ _ _ _ _ -
010 -1 0
n ioF2
0 10 0
S 10, 2 11
3O,3 10-E
10' 3- 10~ S10
.2+-:_=10.5 -- -- 10-5--0-
-6
--- --
10 . J6E I 1 1I . .1 ,1,..6 I i I 1 4, 1 1 0 0
1 4 10 40 100 10 1 410 40 1001_
©I 1 I1''11 I ' '11' 1 02 I ' I' 1 '1'1 I ' I'1 '1' 102ENVIRONMENT: 10 ENVIRONMENT: 10
1 00 0S10 1 10
100 - 100
100 10
0 10o 1 00-.
10.2 10 E10
3 --E_ "
1 .- ' -- 1.%110-3
10' 10.2
10- -- 1-,. :..-: -10 .4 -
1.- 14 050 0 1 10,."" .." 10. -- _10
. - --
b' . .m 10 -4 0-4
1 4 10 40 100 104 10 40 100
Kmax (KSI v'n) Kmax (KSI VTn)Figure 8.18.3.19
8.18-51
N.0
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~ TABLE 8.20.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS- OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.1INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T61
,- .'- -DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)-. A B C D
E = R.T. E= R.T. E= R.T..DRY AIR H.H.A. SALT FOG
A: 6. 16 . 2. 36DELTA K B: 6.60 7. 04MIN C: 6. 08 9. 43
D:
7.00 3.44 8.26 14.28.00 4.94 11.8 19. 59.00 6.66 16.2 24.8
,.". 10.00 8.58 21.3 30.613.00 15.7 42.4 57.3
. 16.00 25.6 73.2 120.
A: 19. 58 : 119.DELTA K B: 19. 57 - 125.
MAX C: 16.67 : 144.D:
. ROOT MEAN SQUARE 12. 67 4. 40 5. 55PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO O.8-1.25 1 1 1SUMMARY 1. 25-2. 0(NP/NA) >2. 0
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CONDITION/HT: TAL*~d FORM: 0. 04'TH SHEET YIELD STRENGTH: 72.1 KSI ALLOY
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.t FREQUENCY: 13. 30 HZ REFERENCES:88842
AK (MPA %/'m) &K (MPA -V/M)4 10 40 100 4 10 40 100
ENVIRONMENT: R. . 100 o2 1 R. T..DRY AIR H. H. A.
1 0 2 1 0 2
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TABLF 8.20.3.2
%P FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS 1OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.2 INDICATING EFFECT
OF ENVIRONMENI
MATERIAL: ALUMINUM 7475CONDITION: T61
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/)
A B C D
E= R.I. E= R. T.
H.H A. H.H.A.SP. WIDTH=12" SP.WIDTH=23. 98"
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D:
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A: 79. 11 : 24790.DELTA K B: 28.96 " 102.
NMAX C:
ROOT MEAN SQUARE 22.45 2.94PERCENT ERROR
LIFE 0. 0-0. 5
PREDICTION 0. 5-0 8
RATIO 0. 8-1. 25 1 1SUMMARY 1.25-2.0(NP/NA) >2.0
8.20-82
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CONDITION/HT: T11 ALUM.FORM: IL1 I"TH SHEET YIELD STRENGTH: 75.3 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 80. 1 KSIORIENTATION- L-T SPECIMEN THK • 0.111- 0.112"STRESS RATIO: -0. 05 SPECIMEN WIDTH: 7475
.'. FREQUENCY: 2. 00 HZ REFERENCES:98212
AK (MPA A) AK (MPA %/"m)4 10 40 100 4 10 40 100
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TABLE 8.20.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.3INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475
CONDITION: T61
'DELTA K DA/DN (10**- IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. 1. E = R. T.:H. H.A. 3.5%. NACL
A: 1256 18.4DELTA K B: 14.22 66. 5
* MIN C:D:
13.00 : 19.716.00 : 26.8 91.6e20.00 : 42.7 159.25. 00 66. 4 265.30.00 : 113. 385.35.00 194.
A: 39. 58 : 330.
DELTA K B: 33.00 :456.* * MAX C:
D:
* ROOT MEAN SQUARE 4.9e 1.82PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 6
RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0(NP/NA) :-2. 0
.. '
'4' 8.20-84
Downloaded from http://www.everyspec.com
7r'7 - _W .. . ... - ' ~ -' *~ - .-.. .;.- .-. , .- - ,
CONDITION HT: TOl U ALUM.., . FORM: I. 11 "TH SHEET YIELD STRENGTH: 88.0- 75.3 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5- 80. 1 KSIORIENTATION- L-T SPECIMEN THK: 0.112- 0.113"STRESS RATIO: -0. 05 SPECIMEN WIDTH: 36. 00. " 7475FREQUENCY: 2. 00 HZ REFERENCES:98212
AK (MPA V/m) AK (MPA %/)4 10 40 100 4 10 40 100
ENVIRONMENT: R.T. o -10ENVIRONMENT: R.T.1
H.H.A. 10 3.5% NACL
10.1 10.1
.. 1.-3 10-3
__ _ _ _ _ _ _ - 10 .23 0~i .
- 2 105 2E
S1 0 4
1 0 "4
116 _ 11 0 400
1036
ENVIRON ENT: _ NVIRONM NT: 10- _-_: _10_
100-1 10.1
10"1
1i 4 10 40 100 4 10 40 100
. ENVIRONMENT: _10_ ENVIRONMENT: 10 o
1- 12 106
2 1
1 0 - 1 1 0 - 1
-- 0. 1
10-
10-
--. 10 10"0
2,i- . 10--z,,1
0 1 0 - 3 E
z-5 E6
10 - 106
10 5
1 ",
- io7
106 1
.- 1 4 10 40 100 1 4 10 40 100A K (KSI %rfn) AK (KSI vlh)
Figure 8.20.3.3
8.20-85
l° % . . .. . ...... .. . . . . . . .
Downloaded from http://www.everyspec.com
I 7vI
TABLE 8.20.3.4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS IOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.4INDICATING EFFECT
OF ENVIRONMENT-. 4..-
MATERIAL: ALUMINUM 7475CONDITION: T61
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**I/2)
A B C D
E= R. T.:3. 5% NACL
A: 12.45 . 81.0DELTA K B:MIN C:
D:
13.00 : 68.516.00 : 115.20.00 : 188.25. 00 : 290.30.00 : 396.
A: 32. 47 : 448.DELTA K 3:
MAX C:D:
ROOT MEAN SUARE 2. 19PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1SUMMARY 1.25-2.0(NP/NA) >2. 0
~8.20-86
-i-%
4.' "' ' " ' '" , "'' '"" ""'%q'% '".'" , W- P , ,"
'.'''- ,"" m '= ," '"
v' . .l,~ =, = , =, '
' ' '
' * "'." %'".= ''...
Downloaded from http://www.everyspec.com
CONDITION/HT: T15 ALUM.FORM: 9. 11"TH SHET YIELD STRENGTH: 73.1 KS! ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 80. 8 KSIORIENTATION- T-L SPECIMEN THK: 0. 112"
* " STRESS RATIO: 1L 05 SPECIMEN WIDTH: 35. 980"FREQUENCY: 2. 00 HZ REFERENCES:88212
AK (MPA Vm-) AK (MPA V,/-)4 10 40 100 4 10 40 10
ENVIRONMENT: R. T . 100 N1NMENT:3.5% NACL
1-2 10.2 -- --
10 ."10 10 .
"10.1 10-1
% 1 O 3 Z
10-2 10-2
' 104 104 -US a 10' 3 103 E
10 . 5 10 . 5 _z
VV
16-6 -6 ________
1010 .4 10"4
-O7 -0F7 O __1 O" s
10 ,,10 10 - 010.6 10.
10"8 1 1 fill 10" 1 - ,1,I 1 l. 1 11 .1 4 10 40 100 1 4 10 40 100:'. =I ' I'I'I'I I ' I'I'I'I © " hIFTT
ENVIRONMENT: 100 ENVIRONMENT: 100-2IO -2___ _ _ __ _ _ _ _O_ _ _ __ _
102 10 -
10u 10.1
o3 1__ _ ___ __ __ _ _
10- - 102 lOS -- - -10 " "
- 10 - 10 --
- E
(U?. ______- io - __
-10 "100- 10-E
10 1 5 1
'U- - 10-
10. 6
".. ." 1 4 10 40 100 1 4 10 40 100
S"&K (KSI v"n) AK (KSI N'T)
Figure 8.20.3.4"..
8.20-87
;N;!*.*.*' *-..-**.- . -.
Downloaded from http://www.everyspec.com
o - . - . . . . .. ,
TABLE 8.20.3.5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.5 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: 761
DELTA K DA/DN (10**--6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R T. E= R.T. E= R.T.
DRY AIR H. H. A. SALT FOG
A: .6.32 2. 10
DELTA K B: 6.33 7.43MIN C: 6. 18 9. 59
D:
7.00 3.27 10.0 14.98.00 5.37 15.0 23.09.00 7.79 21.6 33.010.00 10.4 29.7 44.513.00 19. 1 64.8 86.816.00 29.3 116. 138.
A: 18.93 • 42.0DELTA K B: 18.76 " 174.
MAX C: 18.95: 193.D:
ROOT MEAN SQUARE 5.38 4.06 3.66PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.6RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2.0
I'
8.20-88
Downloaded from http://www.everyspec.com
- -.- ..
CONDITION/HT: T81 ALUM.FORM: B. 13"TH SHEET YIELD STRENGTH: 78. 8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 82.0 KSI
ORIENTATION- L-T SPECIMEN THK: . 128",-.,, .-- STRESS RATIO: .-..39 SPECIMEN WIDTH: 4. 00" 7 7
FREQUENCY: 13.30 HZ REFERENCES:'88842
l- .*"-"AK (MPA A/m) AK (MPA V'm)
4 10 40 100 4 10 40 100
ENVIRONMENT: 0 ENVI ONMENT- R. T..DRYV IRNMENT1: 10 o ...=_
DRY AIR RH. H. A.12 _ _ -2
10 - 1010
101
0 10.21'10-2
10 10-2
zr l { 10. 10.4 .,>1
4 U
.- 10 01 3E'o-3 1°55 -=. °10- z
0" 10"1 10"
106 -
10 -7~10 .8 I II Il l10.8
I 111 io 'o 1o 'I '"r" ;-TT v-T -r " '1.., 4, ,~ 10 '40 f 10 1 1 4 1,0,, 40 , , 100
SA ENVIRONMENT R. , 10 ENVIRONMENT: 10°SALT FOG
o
010 - 10-1
-.- 03 10.
,,,-. 10 .2 10-2 --
4. 4".,.:o' - 10 -
10 -3 i 3 Ez Z E
10 , - - o~
S10 10
S- 0101 .- 10.5 5
,,. = -- O -- O
116 116-
LI "..'-"LI 0 -- 107~ ±~' &' o8 .1 0 - 8 9
4 10 411 0 6 0 4 0
%10
''"A" K (KSI in) AK (KSI V/t)
L' '.Figure 8. 20. 3. 5
, u 8.20-89
Downloaded from http://www.everyspec.com
TABLE 8.20.3.6
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
* DATA ASSOCIATED WITH FIGURE 8.20.3.6 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475
CONDITION: T61
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B3 C D
E= R. T. E= R. T. E= R. T.DRY( AIR H. H. A. SALT FOG
A: 6. 57 2. 037DELTA K B: 5.72 4.43
MIN C: 5.95 9.48D:
6.00 5. 19 9.697.00 3.70 8.63 14.66.00 5.95 13.3 21.59.00 8.55 192 30. 110.00 . 11.5 28.6 40.513.00 . 23.0 57.7 81.618.00 : 41.7 102. 132.20.00 : 92.2 179. 198.
A: 23.368 167.DELTA K 3: 21. 13 :204.
MAX C : 20.82 :210.D:
-- - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - -ROOT MEAN SQUARE 8. 22 5.08 7.98PERCENT ERROR
LIFE 0. 0-0. 5PREDICT11ON 0. 5-0. e
RATIO 0.8-1.25 23 3SUMMARY 1.25-2. 0(NP/NA) -.12. 0
8. 20-90
Downloaded from http://www.everyspec.com
L ONDITION/HTT51 SPCIELUM.0 18FORM 0.3T HE ILSRNT:7. ALUMY]SPECIMEN TYPE: CCP ULT. STRENGTH: 75. 8 KSI
ORIENTATION-TLSEIE H 012#STRESS RATIO: -0. 33 SPECIMEN WIDTH: 4. 000" 47
"'FREQUENCY: 13. 30 HZ 7475NES984
4 10 40 100 4 10 40 100
-ENVIRONMENT: R. .,100 \./ ENVl11IROMENT: R. T..oDRY AIR H. H. A.
10- - 10
10.1 10.1
02 -2
010-1 10-
103 103 EE
ZD 10-5 1o5 - z
10-5 5-o 10' 10- c
10- 1010
108 - 10 it I l l81 4 10 40 100 107 4- 18 0 10
%V 1 1 .010I' 'IM 1 111 ... ' ' I 1 I 1,1'I' 1 1 1 11,111 _-ENVIRONMENT: R. @ 0 ENVIRONMENT:10
SALT FOG 0
10- - 10
1 0-2 10-2
10-' 10-3 E
z1- 105 E
-7-
10-
10. 10F
* 1 4 10 40 100 -8 4 .10 L40 100
A K (KSI v/Jn) AK (KSI vr~hFigure 8.20.3.6
8.20-91
Downloaded from http://www.everyspec.com
44 TABLE 8.20.3.7
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS ..
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.7 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDITION: T61ENVIRONMENT: R.T., LAB AIR
DELTA K . DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 10
A: 5. 90 71.3DELTA K B:
MIN C:D:
6.00 .7277.00 : 1.038.00 " 1.949.00 " 3.8510.00 " 6.87 t713.00 • 19.216.00 • 53.9
A: 17.32 : 57.4DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 25. 62PERCENT ERROR
LIFE 0. 0-0. 3PREDICTION 0. 5-0.9
RATIO 0.8-1. 25 2SUMMARY 1.25-2.0(NP/NA) >2. 0
8.20-92-.-.
j9%
9 ,,9. .,'.. ... ... .. ,.. .. . ,....
Downloaded from http://www.everyspec.com
NDITION/HT: TBlALMFORM: 1.50'TH PLATE YIELD STRENGTH: 73.9 KSI LOSPECIMEN TYPE: CT ULT. STRENGTH: 78. 5 KSIORIENTATION: L-T SPECIMEN THK: IL.850'FREQUENCY: 23.990 HZ SPECIMEN WIDTH: 1. 499- 1. 509" 7475
*ENVIRONMENT: R.T..LAB AIR REFERENCES:85383
* . &K (MPA /T)AK (MPA ~~4 10 40 100 4 10 40 100
STRESS RATIO -s-0. 10 STRESS RATIO=1-2
1_________ 2
10 -3 103
10' 10'
I %. 16 1
c 10 - 3 10- 3 E.z E
(U~o7 -5__
_ o
111
-c7
-810 -6 18-6
10F 1. 111111Tr1 1r 1r1rrm 10
STRESS RATIO =STRESS RATIO lo
10 - 01010' 10.1
loF3 o73~2 ~ 0~-2_10- 10-
-4 4
10 10
-s 10 ~ 3 E
10E
10 - 10-
10 - 10
10.6 166
-8 10105
1 4 10 40 100 1 4 10 40 100-. K (K SI 7) AK (KSI v/17)
4.4 Figure 8.20.3.7
92 8.20-93
Downloaded from http://www.everyspec.com
* ~ ~ ~ ~ ~ ~ ~ ~ ~ 7 -77 7 -%4 \ .. 44 ,4 .. . .
TABLE 8.20.3.8
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS "OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.8 INDICATING EFFECT
OF ENVIRONMENT------.----------------------------------------------------------
•-. MATERIAL: ALUMINUM 7475
CONDITION: T6151
DELTA K • DA/DN (10**-6 IN./CYCLE)
.,-:. (KSI*IN**1/2)
A B C D
E- R. r.:LAB AIR
A: 9.79 5.11
DELTA K B:MIN C :
D:
10.00 : 5.5213.00 : 14.716.00 : 28.2
'.. 20.00 : 40.7
DELA KA: 24.63 87.7"J'-: DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 16.38PERCENT ERROR
------------------------ ----------------------------------------------------------------LIFE 0. 0-0. 3 1
PREDICTION 0. 5-0.8RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0
: (NP/NA) >2. 0
.. 2094
.%.
LI Z 8.20-94
Downloaded from http://www.everyspec.com
Eli' CONDITION/HT: TO151 ALUM.
FORM: I. uG"TH SHEET YIELD STRENGTH: 2. 2 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 73.2 KSIORIENTATION L-T SPECIMEN THK: IL OW"STRESS RATIO: *lL 10 SPECIMEN WIDTH: 1.496- 1.498"• -' "."7475
• FREQUENCY: 23. - HZ REFERENCES:853M3
,.A AK (MPA Vrm-) AK (MPA %V/M)4 10 40 100 4 10 40 100
-ENVIRONMENT: R. 40.. 100 k ) ENVIRONMENT:LAB AIR
1 2 102
- 10"1 10"1
103 - 103
,10"2 10 2
o 0
c -34 _- E "oZ 10 - 10 - 0
Z ______10.
_5 1o -. 10"
10- - 14o7 -
V 10605z
1 10 10
1a 5 iOF
10"e I- , , ! = I , , 10- I I 1 1 ! I 1, "1 06 1 06
1 4 10 40 100 4 10 40 100
© ENVIRONMENT: 10o @ ENVIRONMENT: 10o
-62 16___ _ 2 __ _ _ __ _ _ _ _ _
10.- 10110- 10-
100 1E 3i :' _ 0
2 _- 10 -2_
10 E
0 165-- z:~o4 'a
11010 16_
5V010 105
c7 -107S 10 - 10-61, , 1O 1O-
16" . 10.7 I07 -
C',.. 1 4 10 40 100 1 4 10 40 100\ -' AK (KSI /ln) AK (KSI v.Tn)
Figure 8.20.3.8
8.20-95
,,,,.,. , ,.. . .. . . .. .. . . ... .,... . .. .. .. ... . .-.. .. , ...... ., .,..,,,- ,. ,-,..-. ..- .., * ,,,, , , ,, .*,,. , ,
Downloaded from http://www.everyspec.com
%, .,
. °4
TABLE 8.20.3.9-..'. : .
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.9 INDICATING EFFECT
OF ENVIRONMENT------------------------------------------------------------------------------------------MATERIAL: ALUMINUM 7475CONDITION: T6151
--------------------------------------------------------------
-DELTA K . DA/DN (10**-6 IN. /CYCLE),. v(KSI*IN**I/2)
A B C D
E= R. T.:LAB AIR
A: 8.91 " 5.41DELTA K B:
MIN C:D:
9.00 : 5.3110. 00 : 6. 22
13.00 : 15.516.00 : 23.520.00 : 54.525.00 : 102.30.00 : 115.
A: 30.31 : 122.
DELTA K B:MAX C:
D:
ROOT MEAN SQUARE 26. 51PERCENT ERROR
-------------------------------------------------------------------------------------------LIFE 0.0-0.9
PREDICTION 0.5-0. 3RATIO 0.61-1. 2%SUMMARY 1.25-2.0(NPIN) >2. 0
hw A
8.2096..
.'...
~8.20-96
, , . . .... . , . . . . . . . .. .. . . . . . ..- Z .. -
Downloaded from http://www.everyspec.com
CONDITION/HT: T10151 AL1FORM: I. 919 "TH SHEET YIELD STRENGTH: 82.2 KSI LOSPECIMEN TYPE: CT ULT. STRENGTH: 70.2 KS!ORIENTATION- T-L SPECIMEN THK: 0. 9"STRESS RATIO: .0. 10 SPECIMEN WIDTH: 1. 478- 1. 4947FREQUENCY: 28.800 HZ REFERENCES:853W 47
AK (MPA /T)AK (MPA Vm)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 4.0 100) ENVI O8NMENT:LAB AIR12
10- - 10
10F3 101
-102 1o
Ezi -5 5
V2 10 10 czm 10
107 -U 10
-7-7
10 1~
10~18 10,6~ 1 LLLI
1 4 10 40 100 1 4 10 40 10062 r 9rT 1 1 11,11rt=iT1T111rT11T1111 -
ENVIRONMENT: @i00 (**0o ENVIRONMENT:10
-62 1-2 _ _ _ _ _
10F - 10F
_101 10'
4 4 Z
-3 3 E~10 10'
1 5 107 -
161166 1
100 1010
1O 7 1OF
1 4 10 40 100 1 4 10 1740 100AK (KSI Vim) AK (KSI %fimh
Figure 8.20.3.9
8.20-97
Downloaded from http://www.everyspec.com
TABLE 8.20.3.10
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS IOF STRESS INTENSITY FACTOR
DAtA ASSOCIATED WITH FIGURE 8.20.3.10INDICATINg EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
:A B C D
E= R.T. E= R.T. E= R.T.:DRY AIR DRY AIR DRY AIR1.00" PLATE 0. 50" PLATE . 125" PLATE
A: 5.60 1.21DELTA K B: 6.40 .918MIN C: 8.74 2.07
D:
6.00 1.727.00 3.30 1.398.00 5. 19 2.449.00 7.22 3.85 2.3410.00 9.31 5.61 3. 5113.00 15.8 12.8 7.7516.00 23.6 22.6 12.520.00 39.4 39.1 19.625.00 79.0 31.530.00 50.035. 00 81.2
A: 26.91 : 105.DELTA K 0: 24.37 : 61.3
MAX C: 35.06 : 81.7D:
ROOT MEAN SQUARE 8.60 10.62 11.97PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION O. 5-0. 8
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.20-98
- ; - • & • , , ,',...........................................................................................'.. .."." . . ,. , ",.
Downloaded from http://www.everyspec.com
CONDITION/HT: T851AUMFORM: YIELD STRENGTH:ALOSPECIMEN TYPE: ULT. STRENGTH:
ORIENTATION' SPECIMEN THK: 0. 125- 1. 000"STRESS RATIO: -11L 10 SPECIMEN WIDTH: 77FREQUENCY: 20.00 HZ ERNCS93275
AK (MPA -v'M) AK (MPA /i)4 0 40 104 10 40 100
ENVIRONMENT R--4.1. '100 ENVI O8NMENT: R..DRY AIR DRY AIR
102 10" LT 162- 0.50" PLATE
10'1 10-1
10-2 10-2
> -4 -4 _____ ___
-lO0 10z E
105 - 50
-o 1o74 o4-
10- 101
1OF 1O
10 - 10 -
1 4- 10.610 1 0 0
@ ENVIRONMENT: @.I. 0 ENVIRONMENT: 100DRY AIR
1-2 .125" PLATE -62_____ ____
10 101
10.1 10.1
10-2 - 1 2
16 16a
Z -5 E__ _ _
___o__ lo~- 107 z
16 10 CU
-6 -610 10-
1VF8 11
1 4 10 40 100 1 4 10 40 100AK (KSI vln) AK (KSI VrTM
Figure 8.20.3.10
8.20-99
Downloaded from http://www.everyspec.com
TABLE 8.20.3.11
*FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS* OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.11INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475
CONDITION: T651
ENVIRONMENT- R.T. H.H. A
* DELTA K . DA/DN (10**-6 IN. /CYCLE)* (KSI*IN**1/2)
A B C D
R=+0. 33
A: 5.49 6.81DELTA K B:MIN C:
6.00: S.167.00 : 11.88.00: 17. 19.00 : 24.410.00 : 34.4 , p13.00 8 4.616.00 : 168.
- 20.00 : 302.
A: 24. 79 : 433.DELTA K B:
* MAX c:D:
-- - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ROOT MEAN SQUARE 6. 04PERCENT ERROR
*LIFE 0.0-0.5PREDICTION 0. 5-0. S
RATIO 0.8-1.25 2SUMMARY .1.25-2.0(NP/NA) >2. 0
8.20-100
Downloaded from http://www.everyspec.com
CONDITION/NT: T85 AUMFORM: IL 51 "TN PLATE YIELD STRENGTH: 74. 5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 80.90 KSIORIENTATION: L-T SPECIMEN THK: 0. 509"
- -,FREQUENCY: 5. 20 HZ SPECIMEN WIDTH: 3.025- 3.028" 77*..j -*ENVIRONMENT: R. T., H. H. A. REFERENCES:88213 77
AK (MPA %/m AK (MPA V/1m)4 10 40 100 4 10 40 100
STRESS RATIO -s .0.33 100 STRESS RATIO
-10-1 10.1
oF 10O2
~*1010 10
z E
~1651- z
1106106
10 10-
-7 -7
101 10Cilop~- 10-
-8 1o 1...L±.L~j lilt..I.I.1.L...L1L1..LJ1 4 1 40 101 4 10 40 100
STRESS RATIO= 0 STRESS RATIO= 01 2 Z________ 162
10 0 10
10F3 10.1
10-2 10-
4 4
- 0 10 E10~1E
z _______ _5_____ -i- o- E
~10 1
V 10-5
J. -7
-6-806
10 10-
1 4 10 40 100 1 4 10 40 100AK (KSI .fin) AK (KSI Vr1Th
Figure 8.20.3.11
A 8.20-101
Downloaded from http://www.everyspec.com
TABLE 8.20.3.12
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.12INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T651
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T. E= R. T.LAB AIR H.H.A.
A: 2.6 .b108DELTA K B: 2.40 .0430
MIN C:D:
2. 50 .05183.00 .105 .1223.50 .159 .2554.00 .306 .4895.00 1. 19 1.45 -A6.00 3.40 3.447.00 7. 14 6.998.00 12.1 12.69.00 17.6 20.610.00 22.8 31.213.00 78.416.00 141.20. 00 224.
A: 12.54 : 31.3DELTA K B: 24. 13 " 284.
MAX C:D:
ROOT MEAN SQUARE 22. 53 37. 43PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0 8 2
RATIO o.8-1 25 1 1SUMMARY 1.25-2. 0(NP/NA) >2 0
8.20-102
- v..V'-."
Downloaded from http://www.everyspec.com
CONDITION/HT: T851FORM: 0. 75"TH PLATE YIELD STRENGTH: 79. 8 ALLOSPECIMEN TYPE: CT ULT. STRENGTH: 87. 7 KSIORIENTATION- L-T SPECIMEN THK: 0. 242- 0. 250"
V STRESS RATIO: -0. 33 SPECIMEN WIDTH: 2. 500- 2. 552" 77~FREQUENCY: 25.00 HZ REFERENCES:AL002. AL003 77
AK (MPA VF) &K (MPA Vm_4 10 40 100 4 10 40 100
ENVIRONENT: R. E 10NV1I 0 ONM'4ENT: IR. 4 -. 11LSBr H. H. A.
162 1- L_______
10.1 10-1
10-2 10'
C.) CL)>. -64 -4
103 10- EE5 10 5-
10 1010M
10 -6 10-6
1 4 10 40 100 4___10___40___100__
I0ENVIRONMENT: 10o ENVIRONMENT: 100
10'1 10.1
10F3 oF3
1 0' 10-24-
64 6 4
10 10- 103
10 - 10
16 166 0
8.20-10
Downloaded from http://www.everyspec.com
TABLE 8.20.3.13
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.13INDICATING EFFECT
OF ENVIRONMEN1
MATERIAL: ALUMINUM 7475CONDITION: T651
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2") m
N'A B c D
E= R. T. E= R.TDRY AIR 3.5% NACL
A: 5.00 .903DELTA K B:
MIN C:0.
5.00 .9026.00 . 1. 717.00 . 4. 168.00. 6.299.00 7.66
10.00 8.6813.00 : 15.2
A: 13.95 : 20.9DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 12. 24 0. 00PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2.0
8.20-104
Downloaded from http://www.everyspec.com
CONDITION/HT: T851ALMFORM: 1. 0TH PLATE YIELD STRENGTH:ALYSPECIMEN TYPE: OCS ULT. STRENGTH:ORIENTATION- T-L SPECIMEN THK:STRESS RATIO: +0.. 10 SPECIMEN WIDTH: 77FREQUENCY: 1.00 HZ REFERENCES:88140
AK (MPA Vii) AK (MPA -\/m)4 10 40 100 4 10 40 100
ENVIRONMENT: IR.46 100 '.' ENVI O8NMENT: R. T.'.1DRY AIR 3. 5% NACL
-6 1 2 _______
100 - 10
10.1 10.1
102 10;
710 10E E
7010- 10032
66
10
10 1010
1068 10806 111 1 1 111 11 -
1 4 10 40 100______ 4 10 40 100
ENVIRONMENT: 0 ENVIRONMENT:10
1-2 1___2_
100
10. 107'-.- 2
10 1 -
Il -E 1 0 3z1010 10E
_0 105 10 z
10l 107
1 o5 1
10,1 1010
*AK (KSI V~ih A K (K SI 7nT)Figure 8.210.3.13
8.20-105
Downloaded from http://www.everyspec.com
TA13LE 8.20.3.14
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.14INDTCATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDIlION: T7351ENVIRONMENT: R. T. .H. H. A.
DELTA K .DA/DN (1O**-6 IN. /CYCLE)
(KSI*IN**1/2)
A B C D
R-+0. 10 R:-+0. 25 R=+0. 50
A: 3.99 .165DELTA K. B: 2.27 .00125
MIN C: 1.84 .0273
2. 00 . 04642. 50 . .0669 . 1083. 00 . 07313.50 .1784. 00 :. 165 . 2705.00 :.257
A: 5.96 :.494DELTA K B: 4. 73 :. 468
MAX C: 2.80: .140D:
ROOT MEAN SQUARE 9. 95 48. 27 19. 66PERCENT ERROR
*LIFE 0.0-05 1PREDICTION 0.5-0.0 2
RATIO 0.1-1.25 4 3 4'SUMMARY 1.25-2.0 2(NP/NA) >2.
* 8.20-106
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 9. 52"TH PLATE YIELD STRENGTH: 57. 0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 520- 0. 530'FREQUENCY: 5. 50- 33. 00 HZ SPECIMEN WIDTH: S. 000" 7475ENVIRONMENT: R. T.,* H. H. A. REFERENCESBI-002
AK (MPA Vm~) A~K (MPA -\/-M)4 10 40 100 4 10 40 100
STRESS RATIO = *0. 10 10 UO STRESS RATIO -0.~ 251-2 _ _ _ _ _ _ - 1 102
101 l
12 102_10oo
> -4 -4uLO 10 U
10 3 0- EE
10 010 1010
10 10
166 16
7 d; -7
lo- - 10
10-8z OF~j 81 4 10 40 100 10 1 4 10 40 100T11 111TI11rTr 100
O SRES RTIO t 0.50o SIpESS RATIO 1
10 lo10
~~-210l 1o-2
4-3
10 103
10 10 z
10-640.
80-1070-
Downloaded from http://www.everyspec.com
W.' W. lj
TABLE 8.20.3.15
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
'- OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.15INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R T. H H A.
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
R=+0. 10 R=+0.25 R=+0.50
A: 9.92 9. b?DELTA K B: 5.05 . 807MIN C: 9. 76 19.0
D:
6.00 1.417. 00 3. 068.00 5.779.00 :8.6510.00 9.90 11.8 20.6 *
13.00 25.6 49.0
16.00 50.520.00 101.25.00 201.
A: 25.08 " 203.DELTA K B: 12.99 :32.1
MAX C: 13.90 : 71.6
ROOT MEAN SQUARE 10.61 12.76 11.47PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. e 1RATIO 0.8-1.25 4 7 4SUMMARY 1.25-2 0
... (NP/NA) ,-2.0
S ...
8.20-108
...- ,.-*°-°"
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351FORM: 0. 52"TH PLATE YIELD STRENGTH: 57.0 KSI ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH:.. .. ORIENTATION: L-T SPECIMEN THK. 0. 500- 0. 528"
FREQUENCY: 5.50- 33.00 HZ SPECIMEN WIDTH: 4. 000" 7475ENVIRONMENT: R. T.. H. H. A. REFERENCES:BL002
AK (MPA V/Th) AK (MPA V'-m)4 10 40 100 4 10 40 100
"_ STRESS RATIO = -0. . -10 o STRESS RATIO =-0 251-2 -1- 6o2 _
... - - 10 - 1 - - 10 - 1
.~~1
1-'3 1-
1 - 2
1 43 4102 10 .
".',,w -- - 10- "U
"-'.'-_______ _10" 4 ___ - E04 "
0in 1010.-1.6 -
----6 -10- ________ _ 1 0
10 - 10- - 10-4111
10 "6 10-6108 1 7 1 1 1 1 10h I.L .. ± L I...I..L ]h. l dLI
1 4 10 40 100 1 4 10 40 100
0 SRESRATO:--. 50 STRESS RATIO10
10. ,010.
1 00 1
1 0l1
10.2 102
.- _100
.::? z°-- o
v0
10-
-e 16 -- 16 -V
10,,v-' 10
11
_01 7 10 -7
0 110
.1.-4 4 -
8 I- ~ = I l ,1 1 0 8 I I l l [ I il
, . 1 4 10 40 100 1 4 10 40 100
.- ' .,.AK (KSI V ) K (KSI .%"Th
Figure 8.20.3.13
8.20-109
10 1-&.-...'-
Downloaded from http://www.everyspec.com
TABLE 8.20.3.16
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.16 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R.T. ,S.T.W.
DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-0. 20 R=+0. 10 R=+0. 30 R=+0. 50
A: 5.37 " .0822DELTA K B: 3. 77 .194MIN C. 3.42 .170
D: 3.05 .113
3.50 .158 .1064.00 : .261 .202 .4125.00 : .620 .717 4. 186.00 : .196 2.99 2.37 10.77.00 • .299 6.44 8.15 17.48.00 • .608 8.50 16.1 24.39.00 : 1.37 10.2 22.0 33.110.00 : 2.92 13.4 29.1 46.813.00 8. 58 48.016.0" 9.88
A: 16.99 : 11.4DELTA K B: 13.62 : 40.5
MAX C: 12.09 • 86.5D: 10.13 : 49.2
ROOT MEAN SQUARE 19.31 13.98 22.47 16.76PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO O.8-1.25 1SUMMARY 1.25-2.0 1 1 1(NP/NA) '2. 0
8.20-110
. . . . .. . . . , . ° o, o -.. , o
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALMFORM: 0. 50"TH PLATE YIELD STRENGTH: 59.5 KS! ALLOY
" . SPECIMEN TYPE: CCP ULT. STRENGTH: 89. 1 KS!ORIENTATION: L-T SPECIMEN THK: 0. 199- 0. 202"FREQUENCY: 1. 00 HZ SPECIMEN WIDTH: 5. 990- 0.000" 7475
. -. ENVIRONMENT: R. T.. S. T. W. REFERENCES:GD075
AK (MPA Vm) AK (MPA SV")4 10 40 100 4 10 40 100
" I I I fill
STRESS RATIO = -0. 20 10 STRESS RATIO = o0. 10--. O2 _________ O________-2 _ _______
10 - 10
610. 10.1
____,____4_ - i o"110 100-4
z_- ._ -10 - E
"0 165 0 . 1 - z 0.
1 110 E
1 4 100 10 4 _ 4. 10 0-
STES RATI #.o so- 10-7
@ TESRTO 105
10
106-- 1°
' -JSTRESS RATIO = 01. 30 1 STRESS RATIO = +.* 5o 100o
-. O2 __________O________ 2 _________
10 10410. 1013 E
"10. - 2 -- 0. _
-E-
10 10- /15 16 10 310 6
1-2-1
0 G-.."-4 - 0 - U_1 .
% 10- 110-6-
, . 4. ., 1 O . . -_ ~
-' 0 7 -- _ _ _ _ _ _ _ _ _ _ - 10' ---
,18*1 1. 10 10.6 I 1 10.6
1 4 10 40 100 1 4 10 40 100AK (KSI v'Tn) AK (KSI v"')
• -. Figure 8.20.3.16
8.20-111
Downloaded from http://www.everyspec.com
TABLE 8.20.3.17
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA 4SSOCIATED WITH FIGURE 8.20.3.17INDICATING EFFECT
OF FREQUENCY
MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R T. , S. T. W
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
F(HZ)= 1.00 F(HZ)= 6.00
A: 3. 77 .216.v ~.. DELTA K B: 6. 13 • . 282
, MIN C:D:
4.00 .2155.00 .7426.00 2.957.00 . 5.86 .3398.00 8. 19 1.009.00 : 10.6 3.62
10. 00 14. 4 8. 1713.00 44.8 25.816.00 • 34.6
A: 13.62 . 40.8* DELTA K B: 16.61 34.2
MAX C:
ROOT MEAN SQUARE 15. 93 10. 03PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.3
RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.20-112
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 0.50"TH PLATE YIELD STRENGTH: 59.5 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 69. 1 KSIORIENTATION: L-T SPECIMEN THK: 0. 199- 0. 205"STRESS RATIO: .0. 10 SPECIMEN WIDTH: 5. 990- S. 000" 7475ENVIRONMEN-I: R. T. a S. T. W. REFERENCES:G0008
AK (MPA V'm) AK (MPA V'/)4 10 40 100 4 10 40 100
,t.' 10 0 _
162 FREQUENCY (Hz) 1.00 162 FREQUENCY (Hz) =5.00
_10 10. 2 102 -
-10 "1
-123 -3
10 102
10- 10" 0-' --- 1 -- o 0. EZ -E
10.5 105 -
", 1 1 10.4 _I 0 4 "
-, l 6 -- 6 -________
. 1 0 - 1 04 00-4... 10 101 M-
1.-0.: -_ _ __ _ _ _ _ _ _ _
1076 10-6
.4 1 4 10 40 100 4 0 40 100~©
FREQUENCY (Hz) 10 FREQUENCY (Hz) = 100
* 0 102
10-1 10-1-,..10 10-010-
100---- 1 -1
10. 10 110-1--> 166 10"-
!0 . 5 10510. 10C
-106 10-610- -- 106-
-7 --- 7 - 1 .
10- -- 107-
10.6 11
10" . ILL..I ,11i ,IJ I....... L. ld - 10 IL. J..±I L , .II,.l Z i,1'1ii --
1 4 10 40 100 1 4 10 40 100S-," A K (KSI VT'n) AK (KSI Tn)
Figure 8.20.3.17
8.20-113
*;1 . . . .. . . . . .. : ,. :, .. . . ,
Downloaded from http://www.everyspec.com
TADLE 8.20.3.18
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS >3OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.18INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7351
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.T. E= R. T.L. H. A. H.H.A.2-30HZ 2-20HZ
A: 2.78 .08DELTA K B: 5.70 1.47
MIN C:D:
3.00 .09143. 50 .1194.00 .1625.00 .3126.00 .589 1.927.00 1.07 3.908.00 1.84 6.509.00 3.02 9.5910.00 4.75 13 113.00 14.6 26.316. 00 34. 5 45. 820.00 80.625.00 168.
A: 26. 73 203.DELTA K B: 18.33 68.6
MAX C:D
ROOT MEAN SQUARE 30. 27 16. 74PERCENT ERROR
LIFE 0. 0-0 5PREDICTION 0. 5-0. 8
RATIO 0.8-1 25SUMMARY 1. 25-2 0(NP/NA) ::0
-"m 8.20-114
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 0. 75- 4. 00"TH PLATE YIELD STRENGTH: 54.2- 59. 4 KSI ALLOY
ORIENTATION T-L SPECIMEN THK: 0. 250- 1. 000"
STRESS RATIO: -0. 33 SPECIMEN WIDTH: 2. 550- 3. 805" 7475FREQUENCY: REFERENCES:ALOo1. AL009
AK (MPA v's) AK (MPA V/)4 10 40 100 4 10 40 100
ENVIRONMENT: R . 100 %V ENVI ONM NT: R. T. .L. H. A. H. H. A.
162 2-30HZ 10-2 2-20HZ I,
10 10 "1 101
-- 210O. _________ _o-_1 1 3
0 10- 10
10 - 0 0 '10 -001
13 _ j _ 04 __10
4 "
10' 110
1 6 10 -6
18 I I ll, I I I L 1l 10781 4 10 40 100 4 10 40 10
ENVIRONMENT: 10o @ ENVIRONMENT: 10o
106 2 10 2
_101 -01110
"1
",,10"3 10"3 ,'
1 0 ' 1 0 . -::10.
,1-"2 1 .,010.- 1 .-)
16 -- 16 ,-
10 10- E
0 - 1
10 10-
-7 -4
107 7
Figure0610-6
1 4 10 40 100 1 4 10 40 100
AK (KSI v'T) AK (KSI v/n)Figure 8.20.3.18
8.20-115
Downloaded from http://www.everyspec.com
TABLE 8.20.3.19
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
*' DATA ASSOCIATED WITH FIGURE8.20.3.19 INDICATING EFFECT
OF FREQUENCY--.----
MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R T oS. T. W.
DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
F(HZ)= 2.00 F(HZ)= 20.00 F(HZ)= 30.00
A: 6.23 7.20DELTA K B: 3.75 . 38MIN C: 4.46 1.09
D:
4.00 .6145.00 - 2.35 2.326.00 • 5.32 5. 137.00 : 11. 1 9. 17 6. 148.00 17.8 13.6 11.99.00 24.8 16.310.00 - 30.0 23.513.00 " 50.9 43.616.00 " 90.4
A: 16.00 " 90.4- DELTA K B: 15.03 " 64.2
MAX C: 8.64 • 15.4~D:•
ROOT MEAN SQUARE 16. 06 24. 42 4. 42
PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0.5-0 8
RATIO 0.8-1 25
SUMMARY 1. 25-2. 0(NP/NA) >2 0
8. 2011
LI. 8.20-11692-7
" ."',1
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.* FORM: 0.75- 4. 00"TH PLATE YIELD STRENGTH: 54.2 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 66. 0 KSIORIENTATION: T-L SPECIMEN THK: 0. 250- 1. 000"
STRESSRATIO:*0. 33SPECIMEN WIDTH: 2. 550- 3. 805' 47*. ENVIRONMENT: R. T..* S. T. W. REFERENCES: AL009, ALOOI1
&K(P UM)K(4 10 40 100 4 10 40 100
100+f 1 , 1 1 1 111 11 -FREQUENCY (Hz) 2. 00 loFREQUENCY (Hz) 20. 00
1 01 0 -
63 103
10' 10'
~~:4- -- 4__ _ __
1010 10 E
'D z
10- 1 10
10 -7
10 10
* .~ FREQUENCY (Hz) =30.00 10FREQUENCY (Hz)10
1-2 1-2 ______ __
103 10F
10' 102z
~~ 102
z E
10o 5- 1- z
-o 10- 10-a
10 10-
10-7 -6_____ _____ -11
1 4 10 40 10 4 10 40 100A(KSI Vq 'i) K (KSI \/Tnh
Figure 8.20.3.19
8.20-117
Downloaded from http://www.everyspec.com
TABLE 8.20.3.20
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.2OINDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7351
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A B3 C D
E= R. T. E= R. T.DRY AIR S. T. W.
A: 5.63 .615DELTA K B: 5. 70 3. 35
MIN C:
6.00 .732 4.757.00 1. 13 9.778.00 1.76 14. 19.00 2.92 17.910.00 4.97 22313.00 17.6 45.616.00 : 33.7 98.2
A: 19.79 : 62.7DELTA K 3: 16.77 :11
MAX C:D:
ROOT MEAN SQUARE 24. 69 20. 18PERCENT ERROR
LIFE 0.0-0.3PREDICTION 0. 5-0.URATIO 0.8-1.25SUMMARY 1.25-2.0(INF/NA) >2. 0
* 8.20-118
Downloaded from http://www.everyspec.com
CONDITION/HT. T7351 ALUM.FORM 1. 00- 4. 00"TH PLATE YIELD STRENGTH: 52.18- 59. 8 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 83. 8- 70. 0 KSIORIENTATION L-T SPECIMEN THK: 1. 000"STRESS RATIO: 0. 33 SPECIMEN WIDTH: 3. 805" 7475FREQUENCY: 2.00- 20.00 HZ REFERENCES:ALO0 1
&K (MPA V/) &K (MPA ,/m)4 10 40 100 4 10 40 100
ENVIRONMENT: R.4..1 100 ENVI ONMNT: R. T.oDRY AIR S. T. W.
162 -162
10 l0-
10- 1 3
12 102010 10 2
E1z ---- 10 "2
- 1 -104 110
z__ __ __-__ - O.10- 10
-8rE N V I r N M E N T : 1 0 E I N T 1- I 0 0
.1 0
10.16 10-1
10 1 10. 10 .
0) 0
c,_ENVIRONMENT: 10 @U ENVIRONMENT:- 1010 2 10 2
• ..- - -= 10 -1 - 10 - 1
> .iI° 4 -_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - 1° 3 -_ _ _ _ __ _ _ _--__ _ __ _ _ _, a -1013
10 - 2
Z !i - -
10 c1 0_ 10-
z --
10- 0 10
10. 1 0
10 10
:i10 106 10 -607 -_
-.: - : .. 10 - -- 1 1 1 ,1 1 lil I I h --1 10 8 - I , 1 .J I , 1 ,11 j-
. 4 10 40 100 1 4 0 40 100AK (KSI V.7m) &K (KSI V/Tn)
Figure 8.20.3.20
- 8.20-119
% 4-%
Downloaded from http://www.everyspec.com
TABLE 8. 20. 3.21
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.21 INDICATING EFFECT
OF ENVIRONMENT- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MATERIAL: ALUMINUM 7475
CONDITION: T7351
.-. *.DELTA K .DA/DN (10**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R. T. E= R. T.LAB AIR JP-4 FUEL SIM SEA WATER
A: 4.63 .182DELTA K B: 4.07 .338
MIN c: 4. 14 .224D:
5.00 :.216 .474 .4076.00 .. 420 .712 .6507.00 :.880 1. 11 1.686.00 :1.75 1.77 3.029.00 : 3. 14 2.85 4.94
*10.00 :5.00 4.50 7.3713.00 : 12.4 13.2 17.3
*16.00 : 21.7 24.5 31. 120.00 : 37.1 41. 1 57. 525.00 : 66.0 68.6 Ill.30.00 : 117. 115. 205.35.00 : 212. 204. 376.40.00 : 398. 384. 688.50.00 : 2520. 1622. 5477.
A: 57. 16 5633.-~DELTA K B: 58.89 7160.
MAX C: 54.23 6222.D:
ROOT MEAN SQUARE 21. 03 21. 01 23. 16PERCENT ERROR
lLIFE 0.0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25SUMMARY 1.25-2 0(NP/NA) 2. 0
8.20-120
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351ALMFORM: 1. 25'TH PLATE YIELD STRENGTH: 82. 0 KSI ALLOYSPECIMEN TYPE: WOL ULT. STRENGTH: 70. 3 KSIORIENTATION- L-T SPECIMEN THK: 1. 250"
.STRESS RATIO: -t0. 02 SPECIMEN WIDTH: 5. 000"77
. -FREQUENCY: 0. 10- 20. 00 HZ REFERENCES: MA005 77
&K (MPA N/m) AK (MPA -,/m)%;4 10 40 100 4' 10 40 100
-ENVIRONMENT: R. .. 100 E NV14I NMENT: IR. T. .-LAB AIR JP-4 FUEL
1 00 -01 0
10' 10-2_
4 10
1 0 - 0 1 031o0 E-3 E
70 105
10'4 17 70
*'--7 -710 F 10
1 0 6 10-
1 4l T 7T F 00 40 10 0 4 0~~~~R 100 ENVIRONMENT:10
1-2 -62
10- - 10
10o3 o730
102 i- 2
-4 )
Z__ -= 10
z E~15 -5
10 z
10 1
10F 10
looT6
AK (KSI vrfn) AK (KSI V/Th)
Figure 8.20.3.21
8. 20-121
Downloaded from http://www.everyspec.com
-7 '---,wi-l
TABLE 8.20.3.22
FATIGUE CRACK GROWTH RATES Ar DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.22INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7351
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
*A B C D
E= R. T. E= R. T.: LAB AIR 3. 5YNACL
A: 5.95 :.370DELTA K B: 6.90. 2.54
MIN C:D:
6.00 :.3797.00 :.722 2.928.00 : 1.53 6.329.00 : 3.07 6.7110.00 : 5.55 13.613.00 : 16.318.00 : 27.4
A: 19.60 : 59.0DELTA K B: 10.75 :24.9
MAX C:
ROOT MEAN SQUARE 17.20 11.31PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0.5-0.0
RATIO 0.8-1.25 21SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.20-122
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.~TFORM: 1. 50"TH PLATE YIELD STRENGTH: 52.2 KSIALYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 2 KSIORIENTATION* L-T SPECIMEN THK. 0. 850"STRESS RATIO: +0. 10 SPECIMEN WIDTH: 1. 500' 47FREQUENCY: 20. 00 HZ REFERENCES:85353
AK (MPA N/mi) AK (MPA N/m)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 4.1 1 0 o0 \V ENVIFIONME T: R1.11 II
LAB AIR - .* SNACL
10-1 101
a) 12 i2
olO10 100
>1 104 40 E16 E
S10, -0 zo
166 16
10- - 10
107, 110
1 4~ 10 4 0 4 10 40 100
ENVIRONMENT: 100 ENVIRONMENT: 100
-6 1 2 _ _ _ _ _
101 10.1
1o- 3 - 12 o73-
10- 10.2
s.O - 0 100-3
Z E1~0 -10~ z
107 10-
o75 5-10
[e'- 10 -6 10
1 4 10 40 10014 100 10
Figure 8.20.3.22
8.20-123
Downloaded from http://www.everyspec.com
TABLE 8.20.3.23
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS .OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.23 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7351
ADELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T.* H. H. A.
-2A: 2.03. 016DELTA K B: 1
MIN C:D:.
2.50 :.0603-~ 3.00 :.151
3.50 :.2904.00 :.4745.00 :.9936.00 :1.787.00 : 3.008.00: 4.919.00 : 7.7310.00 : 11.613.00 : 30. 516.00 : 57.320.00 : 90.8
A: 23. 17 : 104.DELTA KB9::
MAX c:D:
----------------------------------------------------------------------------------------* ROOT MEAN SQUARE 19.139
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.13 1
RATIO 0.8-1.25 2SUMMARY 1. 25-2,0(NP/NA) >2 0
* 8.20-124
Downloaded from http://www.everyspec.com
i, CONDITION/HT: T7951 ALUM.FORM: 1.50- 4. 00"TH PLATE YIELD STRENGTH: 64. 0 KSI ALLOYSPECIMEN TYPE: WOL ULT. STRENGTH: 74. 0 KSIORIENTATION- L-T SPECIMEN THK: 0. 245- 0. 251"
"- STRESS RATIO: +0.33 SPECIMEN WIDTH: 2. 548- 2. 553"ST RESS- R ATIO: 7 4 7 5
'.---'FREQUENCY: 25. 00 HZ REFERENCES:AL009
&K (MPA v/m) AK (MPA %/m)
4 10 40 100 4' 10 40 100
ENVIRONMENT: R 100 ENVIRI ~~~H. H.A."10oEVRNNT
162 -62 _ _ _
-10 10. 12 1 210- 1
io,:: 03 - 0"
102 102
>- -4 4
":'i Z 10" - 10. --
". __/ 1.3 E_ 1.-
6 1 E-c'-" 3-- - "
,101
10 - 10i i"=10 5' 10-
,I- 10-e16~ 1 0.6F
108161.:4 4 10 40 100 14 10 40 100
ENVIRONMENT: o @ ENVIRONMENT:
"'- 5_ O -- O
10 -1 10. --
10"a1 01001
16_3_ __ 10 -- _Z"
4- -4
16 io - Lo)-1.:
-6 -_ _ ___-6 __"_
10 - 10
1. - -
=O10 lO' -. I.,. I ,. I, , I , I ,II - 10e I ,jIj l J JjJ ,1j , -•.4 0 40 100 4 10 40 100
. AK (KSI ,/T ) AK (KSI V/r )"- " Figure 8.20.3.23
.'6
~8.20-125
Downloaded from http://www.everyspec.com
TABLE 8. 20. 3. 24
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIOURE8.20.3.24INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R. T , DRY AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A 13 C D
R=-I0. 10 R=+0. 30 R=+0. 50
A: 3. 7 .119DELTA K B: 3.40 .0980
MIN C: 26.9 .0671D:
3.00 .1133.50 .114 .1984.00 .146 .196 .2935.00 .263 .346 .5436.00 .384 .550 1. 017.00 .571 1.02 P. 048.00 .932 2.22 3.929.00 1.65 4.61 6.5710.00 2.91 7.98 9.7113.00 11.3 18.9 21.616.00 25.2 28.6 39.920.00 46.5 46.0 79.725.00 87.2 98.2 145.30. 00 :223.35.00 470.
A: 28.02 " 136.DELTA K B: 35.96 • 535.
MAX C: 26.23 " 161.D:
ROOT MEAN SQUARE 10. 57 20.46 10.95PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0.9
RATIO 0.8-1.25SMJMNARY 1. 25-2.0(NP/NA) >2Z. 0
.8.20-126
S.C ,,z ,:A '.m , ,
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.TFORM: 3. 00"TH PLATE YIELD STRENGTH: 59. 5 KSI IALLOYISPECIMEN TYPE: CT ULT. STRENGTH: 59. 1 KSI
ORIENATION L-TSPECIMEN THK: 0. 747- 0. 750"FREQUENCY: 5. 00 HZ SPECIMEN WIDTH: 5. 000- 5. 008" 77ENVIRONMENT: R. T. DRY AIR REFERENCES:GD006747
AK (MPA N/-*) A K (MP A '4 10 40 100 4 10 40 100
STRESS RATIO -o-0. 10 lo %;-STRESS RATIO = j... S0
10.1 10-1
1o* 3 - o
10-2 102
> 4 -4
10 (0-1 3 10E
-, --5
E
10, 10 E*1 0
161
1 6
7, 7
106
-8 1 7 i l Jill 10-6
STRESS RATIO= *o. 50 o STRESS RATIO 100
* -101- -1
10. 101
161-- oF310-102 -2 -2
4 10
10 -310 .3E
lo 16510 E
1 0'10 1010
10-6 1 6
4K 10 40 100 -8 4 10 40 100
A(KS I vrT) AK (KSI V'7ThFigure 3.20.3.24
8.20-12 7
Downloaded from http://www.everyspec.com
. -. -
TABLE 8.20.3.25
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.25 INDICATING EFFECT
"-'.* OF STRESS RATIO
MATERIAL: ALUMINUM 7475
CONDITION: T7351
ENVIRONMENT: R T S. T W.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=- 0 10 R=+O 30 R=+0. 50
A 6. 61 3 35
DELTA K B: 5. 51 62MIN C: 3. 94 .30
4.00 .3025.00 1.486.00 ,.569 6.577. 00 4. 37 3.38 15.68.00 804 16.0 26.69.00 13.5 33.3 44.710.00 20.8 50.7 63.013.00 50.2 99. 5 125.
" 16. 00 83. 1 134. 199.20.00 130. 170. 333.25.00 203 235.30.00 314. 361.35.00 498. 629.40.00 802.
4. 50.00 2093
A: 50.66 2229DELTA K B: 36.44 753.
MAX C. 24.36 577.
4..' .
ROOT MEAN SQUARE 34 42 32 28 17 83, PERCENT ERROR
LIFE 00-0 5PREDICTION 0. 5-0 8 1
-... RATIO 0. 8-1 25SUMMARY 1.25-2 0 1 2(NP/NA) :'2 0
8.20-128
......... ......... .........
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351ALM'1 FORM: 3. 00"TH PLATE YIELD STRENGTH. 59.5 KSIILLY
SPECIMEN TYPE: CT ULT. STRENGTH: 59. 1 KSIORIENTATION: L-T SPECIMEN THK: 0. 750- 0. 759"FREQUENCY: 1. 00 HZ SPECIMEN WIDTH. 4. 991- 4. 999"77ENVIRONMENT: R. T. v S. T. W. REFERENCES:GD00747
AK (MPA V-,4) AK (MPA vs4 10 40 100 4 10 40 100
10 , I' , 9 ! 1 , I,11 1 t1 1 11 1 1 1 till -
STRESS RATIO = +0. 10 -loSTRESS RATIO +.3
162 ______________ - 162
10.1o
a3 _____ - oi0
10 1-
4. 416 -4 _ _ _ _ __ _ _ _ _
c.10 10U
10- 3 E10 E
4V 4 'o
10' 10-
10 - 107 1
1078 1 1 1 h......LLIdJ I.I. LLLLJ1 10-8 1 L LIJ LJ.Wl1 4 10 40 101 4 10 40 100
© © mTUIT~ 1 TopSTRESS RATIO= -00. 50 10STRESS RATIO= 100
10 - 010
00 110'
102 10-2
-3 oUio
10 10~ E
1 o75 16
10 -7
60 10-6
8.20-12
. . . -10
Downloaded from http://www.everyspec.com
TABLE 8. 20. 3.26
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.26 'INDICATING EFFECTEOF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T735'1
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R.I1 E= R. T.V.H .HA. S. T. W.
A: 5.04 .20DELTA K B: 6.61 3. 35
MIN C:
6. 00 4267.00 723 4. 370.00 1 .13 8.05
9.00 1.76 13. 510.00 2.78 20813.00 11. 0 50.216.00 27. 5 83.220.00 47.B 130.25.00 St. 5 203.30.00 314.35. 00 498.40.00 601.50.00 .2093.
vA: 29.75 : 171.DELTA K B: 50.66 2229.
MAX c:D:
ROOT MEAN SQUARE 5. 71 34-44PERCENT ERROR
LIFE 0.0-0 5PREDICTION 0. 5-0 8 1
RATIO 0.8-1. 25SUMMARY 1.25-2 0 1 1
*.(NP/NA) >2 0
8.20-130
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.=-.; FORM: 3. BO"TH PLATE YIELD STRENGTH: 59. 5 KSI ALLOY
SPECIMEN TYPE: CT ULT. STRENGTH: 9. 1 KSIORIENTATION L-T SPECIMEN THK: 0.744- 0. 759"STRESS RATIO: -0. 10 SPECIMEN WIDTH: 4. 998- 5. 06 7475FREQUENCY: 1.00 HZ REFERENCES:GD007
&K (MPA V/m) AK (MPA vTm)4 10 40 100 4 10 40 100
ENVIRONMENT: . 100 ENVIRONMENT: R. T..H. H. A. S. T. W.
21 2 10. 2
10 101
1 -F 6o3
Q).-L --- 10.2 -- 0 .2
2 2
"1 10 E 10 __
Ez 5°__- l -
- z'D 10 1
lO_ __ __-__ _ - -6' -__ _ _ _ _ _ _ _ _ _ _ _ _ _ _10110
.610 6_ -1
( 1106 1
% 6 -6... 1 .8 I I, , ' I , 1 1 1 0 110, I ~ ~ I I l
1 4 10 40 100 1 4 10 40 1006 = I 'I ,1 1 I'I'I'I
ENVIRONMENT: 100 ENVIRONMENT: 100lO0 210 l 10
.... .. . -- 10 " __ -___ 10 "10 101 E,___,--_____--._ 10 .2 i- 10.2
U074 U
U103
10 1010
10 - 6 1-o6010
10 - 10
-- --]10-6 -: 10.6
'1 4 1 0 I 4 1 40 100 F u 1 4 10 40 100
A KK (KSI 'n):'/- Figure 8.20.3.26
8.20-131
._,
Downloaded from http://www.everyspec.com
-Ri 1- 4
-.
TABLE 8. 20. 3.2 7
* FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DAT, ASSOCIATED WITH FIGURE 8.20.3.27 INDICATING EFFECT
OF STRESS RATIO-------------------------------------------------------------------------------------------MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R T. , DPY AIR--------------------------------------------------------------------------------------------
DELTA K DA/DN (1O**-6 IN. /CYCLE)(KSI*IN**1/2)
A 13 C D
R-+0-10 R +0.30 R=+0. 50
A. 4.24 .106DELTA KB: 3.30 .118
-- MIN C. 26 )8 . 160D:
3.00 .1603.50 .133 .1914.00 .166 .2775.,00 .362 . 391 . 748&00 .317 .810 1 .72 -
7.00 .635 1. 58 2.98B.00 1.25 2.86 6.959.00 2.22 4.80 9 2110. 00 3. 64 7. 5413.00 11.3 20.816. 00 25. 4 38. 820. 00 56.e8 65. 5
* .25.00 120.
A: 27.78 168.DELTA K 9: 24.91 174.
MAX c: 9, 11 .8.75
D:
------------------------------------------------------------------------------------------ROOT MEAN SQUARE 23.64 8. 01 11.47PERCENT ERROR
------------------------------------------------------------------------------------------LIFE 0. 0-0. 5
PREDICTION 0. 5-0 9RATIO 0.8-1 25 1 1 1SUMMAR~Y 1.25-2-0(NP/NA) >2. 0
8.20-132
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 3.00"TH PLATE YIELD STRENGTH: 61.3 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 72. 1 KSIORIENTATION: T-L SPECIMEN THK: 0. 750- 0. 755"FREQUENCY: 6.00 HZ SPECIMEN WIDTH: 5. 003- 5. 005" 7475ENVIRONMENT: R. T. DRY AIR REFERENCES:GD006
&K (MPA -''m) AK (MPA V/m)4 10 40 100 4 10 40 100
' I SRS RAIO . 1i - 100o
-STRESS RATIO 0. 10 STRESS RATIO = -t0. 30_____10-2 - 10-2 -- _i l - 010
0 3 11003
'.3 - _ _0-2 -__
So 10-10
." - _ 10.2 10.2
:: 0 ( .10)-4 -4
010- 1 0 " E
E
_ 1. - 1o 5 1
-6-6_______
10 - 10
10-6 15
70161 - 1 - 10 .6
S10 I I I I I I I A -8 J 1 111 J1] 1 1 1 1l
1 4 10 40 100 1 4 10 40 100@ = I 'I I l '! 1 ITrl' 1 - 0 @ = I I I' ' 11 1 '1 "+I
STRESS RATIO= -0. o 10 STRESS RATIO - 10 o
-12 d- lO210- 10
103 103""____---____- 10.20-
110
o 10 . 4 104
0 4 0. Z
0> i ._ - 10 2ioo-
-'1010107 10 10 'o
*o 1(,- 1
10- 10-
- 6 10-6
4 10 40 100 1 4 10 40 100AK (KSI v'Th-n AK (KSI V/ -in
Figlure 8.20.3.27
8.20-133
.- . . . ." - " ,-,4 .' . .' < .- .. "'
Downloaded from http://www.everyspec.com
TABLE 8.20.3.28
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.28INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475S-- CONDITION: T7351
ENVIRONMENT: R. T ,S. T. W.
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+-0. 10 R=+0. 30 R=+0. 50
A 6.02 .26DELTA K B: 4.08 .25
MIN C: 3. 17 .21D:
3.50 .2424.00 3B25.00 .293 1. 396.00 1.21 5.047.00 .603 4.74 12.2 4.
8.00 1.56 12. 1 21.39.00 -2.78 22.8 31.710.00 8.01 35.6 43.513.00 35.9 76.7 90.316.00 75. 1 118. 169.20.00 118. 197. 401.25.00 185. 421.30.00 352.35.00 871.
A: 39.82 2827.DELTA K B: 26. 55 555.
MAX C: 21. 86 " 615.,./.:..D:"
,--.. .-ROOT MEAN SQUARE 32. 50 24. -24 22. 33PERCENT ERROR
-------------------------------------------------------------------------------------------------LIFE 0. 0-0. 5
PREDICTION 0. 5-0 8, RATIO 0.8-1 25 1
SUMMARY 1.25-2 0 1 1
(NP/NA) >2. 0 1 1 1
8.20-134
a
Downloaded from http://www.everyspec.com
0 CONDITION/HT: T7351FORM: 3. 00"TH PLATE YIELD STRENGTH: 61.3 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 72. 1 KSIORIENTATION: T-L SPECIMEN THK: 0. 750- 0. 752"
. FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 4. 997- 5. 000" 7475ENVIRONMENT: R. T.. S. T. W. REFERENCES:GD00
AK (MPA & ZK (MPA /i)
STRES-'4 10 40 100 4 10 40 100
=RATIO --0. 10 STRESS RATIO = +0. 30
., . 110-3 -3 .,.." -- ____-- _0__--__--_I 0
__
10 - 10-3
. o 1 4 104
.... 10 - 3 E- 10-" 10 10 5 - 10E
Zr E* ':-o - 10 0-z11
10 10"0
- -
100 10- --CI i" =1o.6 1
1 68, 1 06 8 I , I I , - I , I , I , l1 4 10 40 100 1 4 10 40 100
STRESS RATIO= +. 10 STRESS RATIO= 10o
162 _ __ _ 162
10 1010.1 10.1
1- - 0_-2 -2
10 10z
c' 10 -3 EE
a 1_____5_ 1075 -Z
10 10'
166- 166
100
1> 10-
-- 10-4 _ _ __ _ _ -_ _ _ _ -- >
10- 108 - 7 Z
1 4 10 40 100 1 4 10 40 100A~K (KSI .J'Inh AK (KSI v'TI-n
Figure 8.20.3.28
8.20-135
- -- . 10 . 6
--- * 10
• w.':,, ~~. . . . . . . . . . . . . I , I I, -- 1"8 I I II, I I I I, -
Downloaded from http://www.everyspec.com
TABLE 8.20.3.29
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.29INDICATINQ EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7351
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E = R T. E= R.I. E= R.T. ,lI. H. A H.H.A. S.T.W.10HZ 1HZ IOHZ
A: 5.10 .30DELTA K B: 5.59 .38
MIN C"D:
6.00 .471 .4447.00 .995 .7258.00 1.84 1.259.00 3.04 2. 16 t10.00 4.65 3.5713.00. 12.4 11.816.00 25.2 25.720.00 51.0 49.425.00 98.1 97.830.00 163. 216.35.00 572.
A: 31.22 • 181.DELTA K B: 36.11 " 925.
MAX C:D:
OT MEAN SQUARE 13.48 3.95 0.00PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0 8
RATIO 0.8-1.25 1SUMMARY 1.25-2 0(NP/NA) ,2 0
82 1-.-.
* 8.20-136
.4 - " " : ' • " - . • ' - " ' ' ' ' " . . ." . . . .' - • " " - • " . : .; . , . - -. - .: i , - . i , - ;
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.1FORM: 3. 00"TH PLATE YIELD STRENGTH: 81.3 KSI ALLOY
* SPECIMEN TYPE: CT ULT. STRENGTH: 72. 1 KSI- ~ ORIENTATION- T-L SPECIMEN THK: 0.748- 0. 751"
STRESS RATIO: -IL 10 SPECIMEN WIDTH: 4.995- 5.002" 7475.FREQUENCY: REFERENCES: GD008
AK (MPA V/ii) AK (MPA v~~4 10 40 100 4 10 40 100
ENVIRONMENT: R. *.o 1001 ENI ONMENT: R. T..H. H. A. H. H. A.
162 * 10HZ 1__ __ 2 1HZ __--- ----_
10 - 10 -1 1010 1
-2-210 z10-~
L)_
-3 3 E10- 10 E
S10 04V -4-
16 1 1 16cW 10
1 6 -61_ _ __ _ __ _
0 166~ 10-
1 4 10 40 100 11 4 10 40 100
©V R-NEY~ T 100 © ENVIRONMENT: 100
-62 lo1HZ 162__ _ _ _ _ _ _ _ _ _
10- -21
10'
E- 10,
1 024 lo-
10 5
~iu6 -- 65
100
16 1- 11l 11 o8FI w l I 1 11
1 4 10 40 100 1 4 10 40 100AK (KSI Vr/n) AK (KSI vil)
8. 20-137
..................
Downloaded from http://www.everyspec.com
TABLE 8.20.3.30
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.30INDICATING EFFECT
OF STRESS RATIO-----------------------------------------------------------------------------------------
" MATERIAL: ALUMINUM 7475CONDITION: T7351ENVIRONMENT: R. T. , DRY AIR
-----------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0. 10 R=+0. 30 R=+0. 50
A: 3.31 " .2b4DELTA K B:
MIN C: 2.73 .467_ . D:
3.00 .6463.50 .304 .9184.00 : .446 1. 115.00 .789 1.446.00 1.26 2.037.00 : 1.96 3.35l. 0 ' 3.08 6.569.00 - 4.83 13.510.00 • 7.49 25.813.00 : 24.216.00 • 54.220.00 145.
A: 20.84 - 210.DELTA K B:
MAX C: 11.73 57. 1D:
-------------------------------------------------------------------------------------ROOT MEAN SQUARE 24. 19 0. 00 17. 91
* "". PERCENT ERROR
-----------------------------------------------------------------------------------------
LIFE 0.0-0. 5PREDICTION 0. 5-0. 8
RATIO 0 8-1 25 1SUMMARY 1. 25-2 0 1
NOV (NP/NA) >2. 0
oil
80.. .
_ 8.20-138
.. :..................................:
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALUM.FORM: 3. 00"TH PLATE YIELD STRENGTH: 57.4 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 5 KSIORIENTATION: S-L SPECIMEN THK: 0. 502- 0. 503"
-FREQUENCY: 8. 00 HZ SPECIMEN WIDTH: 2. 552- 2. 554" 77ENVIRONMENT: R. T. .DRY AIR REFERENCESZ13005
AK (MPA V,/ii) AK (MPA A/m)4 10 40 100 4 10 40 100
* I'II'I' I ''I'II 10STRESS RATIO - 0. 10 STRESS RATIO = *0. 30
10- - 10
101 1 0l
102 102
16 _ __ _ 10* U
10 10
10' 0
100
10.610
10- - 1
10.1 10.1
1o- 4 10 4 004 1 4 0
162 102 02
ioF3 - ioF
10 10'~ 2
- a-3
S z10 103E
10 -5 10-10 1
16 016160
10 0-
1 4 10 40 100 1 4 10 40 100
AK (KSI V1 in) AK (KSI V'ThFigure 8.20.3.30
8.20-139
Downloaded from http://www.everyspec.com
TABLE 3.20.3.31
FrATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.31INDTCATINQ EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475* . CONDITION: T7351
ENVIRONMENT: R. T ,S.T. W.
DELTA K :DA/DN (10**-6 IN. /CYCLE)* , (KSI*IN**1/2)
A B C D
R=+0. 10 R=+0.30 R=+0. 50
A: 4.00 .86DELTA K B: 3.44 .81MIN C: 3.55 :1.66
3.50 :.8734.00 :2.35 2.445.00 2.02 4.37 5.026.00 4.28 5.86 9.207.00 S. 812 11.6 15.76.00 : 13.9 22.9 25.49.00 : 21.9 38.3 39.910.00 : 32.1 54.6 60.913.00 : 74.0 107. 194.16.00 :192.
A: 15.42 : 113.DELTA K B: 18. 55 :348.
MAX C: 13.03 :196.D:
ROOT MEAN SQUARE 23. 64 26. 38 24. 44PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8RATIO 0.8-1.25 11SUMMARY 1.25-2.0 1 1(NP/NA) >2. 01
8.20-140
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351 ALU~TFORM: 3. 00"TH PLATE YIELD STRENGTH: 57. 4 KSIALOSPECIMEN TYPE: CT ULT. STRENGTH: 70.68 KSI
' .ORIENTATION: S-L SPECIMEN THK: 0. 502- 0. 518"FREQUENCY: 1. 00 HZ SPECIMEN WIDTH: 2. 554- 2. 555" 77ENVIRONMENT: R. T..* S. T. w. REFERENCES:GD006 77
&K (MPA &./ii K (MPA ~~4 10 40 100 4 10 40 100
10looI'' I'I''STRESS RATIO =-t-0. 10 STRESS RATIO: -,-o 30* .102 -162
lo' 10.1
-~1 2 0
102 10
E
"o -- i 5-
V1 1 0 z
5 1
- 7-7
~~11 -6___ _ _ 1010
108 06 110
1 0 40 101 4 10 40 100
I I PTI I "T 10 ~ I 1111 I 'I'Ii*- 0O STRESS RATIO: --0. 50 lo @ STRESS RATIO:lo-62 Z______ _ _ _ _ _ _ 10-2
101 -iT'3 10.3
1 -2 -2 _* 10 10
4-4 )1- 10 6
16 3S10 10 -3E
z E5
5 0
100
10- -5
18 10780
1 4 10 40 100 1 4 10 40 100
AK (KSI ~ Figure 8.20.3.31AK(I )
42 8.20-141
Downloaded from http://www.everyspec.com
TABLE 8.20.3.32
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
* *DATA ASSOCIATED WITH FIGURE 8.20.3.32 INDICATING EFFECT
OF ENVIRONMENT-------------------------------------------------------------------
MATERIAL: ALUMINUM 7475CONDITION: T7351
DELTA K( DA/DN (IO**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
Et R. T. E = R. T. E= R. T. E= R. T.DRY AIR L. H. A. H. H. A. S. T. W.2-20HZ 2-30HZ 2-20HZ 20HZ
A: 5. 68 .99DELTA K B: 2.60 .30
MIN C. 5.74 2. 10D: 5.70 5.46
3.00 .3733.50~ 5544. 00 .7325.00. 1.096.00 . 1. 15 1.52 2.49 6.367.00 : 1.76 2.12 4.24 9.638.00 : 2.65 3.01 6.31 13.4
9.03.91 4.42 8.75 17.91.05.71 6.68 11.8 23.1
13.00 16.9 22.9 28.016.00 47.6 56.2 72.3
A: 19.93 321.DELTA K D: 17.66 79.1
MAX c: 18.53 .175.
D: 11.67 36.3
ROOT MEAN SQUARE 26. 89 13. 57 16. 38 14. 42PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0.8RATIO 0.8-1.25SUMMARY 1. 25-2.0(NP/NA) :20
* 8.20-142
Downloaded from http://www.everyspec.com
CONDITION/HT: T7351ALMFORM: 3.5- 4. 00"TH PLATE YIELD STRENGTH: 52.5 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 55. 0 KSIORIENTATION S-L SPECIMEN THK: 1. 000"STRESS RATIO: +0. 33 SPECIMEN WIDTH: 3. 546- 3. 805" 77FREQUENCY: REFERENCES:AL001. AL00OQ47
AK (MPA V/mT AK (MPA Vm4 10 40 100 4* 10 40 100
ENVIRONMENT:. * to 10N11NET:RT..ffDRY AIR L. H. A.
12 2-20HZ -i2 2-30HZ _____
10' 101
10 -12 02
10 10 10-
33EC10' 10' E
z
10- 5 10'
5510' 10-
io0 100
1 4 10 40 100 4___10____40____ 100__
- 1-111 1 14 1 1 -t fil I'I' I ' IIfIlE1PVR'NMENT: R-U \-. F-V00RNMEN R. T.. 100
2 2 - 2 0 H Z 2__ _ _ _ - 2 0 H Z_ _ _ _ _ _
10 -. 10
10 10'
1 1. p 10
S10- 10'
;10 -10 -
z 4
10- U41
100
61
168. 1-8
AK (KSI vfin) AK (KSI -,/in)Figure 3.20.3.32
8.20-143
Downloaded from http://www.everyspec.com
TAB3LE 8. 30. 3. 33
*FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED W~rH FIGURE 8.20.3.3-3iNDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475CONDITION: T76ENVIRONMENT: R.T. LAB AIR
DELTA K DA/D4 (10**-6 IN. /CYCLE)(KSI*IN**l/2)
A 13C D
R-+O. 33
A 5. le 1.49* DELTA K B
*MIN C:
6.00 2. 417.00 3. 8383.00 5. 569.00 7. 5910.00 9.9013.00 18.616. 00 30. 0
A: 19. 87 49. 5DELTA K B:
MAX C:
ROOT MEAN SQUARE 9. 56* PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0.18RATIO 0-8-1. 25 1SUMMARY 1. 25-2.0
(NP/NA) "2.0
8.20-144
Downloaded from http://www.everyspec.com
*CONDITION/HT: T76 ALUM.1FORM: 0. 09"TH SHEET YIELD STRENGTH: 67.0 KSI ALLOY
-: SPECIMEN TYPE: CCP ULT. STRENGTH: 76. 2 KSIORIENTATION: T-L SPECIMEN THK: 0. 091FREQUENCY: 13.30 HZ SPECIMEN WIDTH: 4. 000"77
*ENVIRONMENT: R. T..*LAB AIR REFERENCES:86219 47
A K (M PA /ii)AK (MPA \/Th)4 10 40 104 10 40 100
100 0STRESS RATIO = -0. 33 STRESS RATIO
102 102
10.1 10-1
1 - 10o3
*102 10-2
> -4 -4Ul 1- 10 U
C10 10~ Ez 5 50~
10
1 0 -61
10 10-
104 10 40 10C 1 4 10 40 100 1
-60 1061
10 1
14 4 10 4 OU0 0 4 0TESRTO 100
10 -3 10
Z-102 102
Ez _ _ _ _ 5_ _ _ - 1075
@2 - "10 101-
16 10.6
10 - 10
10,6 10- 6
10781 81 4 10 40 100 1 4 10 40 100
AK (KS v~W) Figure 8.20.3.33AK(S 'h
3.20-14 5
S-
Downloaded from http://www.everyspec.com
TABLE 8. 20. 3.34
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.3LJNDICATING EFFECT
OF ENVIRONMENT
MATERIAL ALUMINUM 7475CONDITION: T761
DELTA K DA/DN (1O**-6 IN. /CYCLE)
A B3 C D
E= R 1. E=R.T E= R. T.DRY A 1[? H. H A. SALT FOG
A: 6. 32 P2 27DELTA KB: 6.20* 4 68
MIN C: 6 53 .12.0
7. 00 : 3. 11 6 46 14. 78.00: 4. 58 9.56 2069.00 6. 32 13. 8 26. 710.00 8. 36 19. 1 33. 113.00 16. 7 41.2 56.816.00 29.e6 66.8 95. 9
A: 17.85 40. 1DELTA K B: 16.34 69.5
MAX c. 17.48 126.D.
ROOT MEAN SQUARE 2. 75 4. 65 4. 51PERCENT ERROk
LIFE 0.0-0.5LO PREDICTION 0. 5-0. 83
RATIO 0-8-1 2 11
SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8. 20-1 /dw
Downloaded from http://www.everyspec.com
X77 7. T. --77 17 7 1..
CONDITION/HT: T781 ALUM.FORM: 0. 04"TH SHEET YIELD STRENGTH: 71.1 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 78. 9 KSIORIENTATION- T-L SPECIMEN THK: IL.042'
% . STRESS RATIO: -0. 33 SPECIMEN WIDTH: 4.000" 7475' ' FREQUENCY. 13.30 HZ REFERENCES:85842
,&K (MPA A/m K (MPA ~~4 10 40 100 4 10 40 100I(il 4 1 1- 1 1 1 11 -
@) -~ ENVIRONMENT: 'R.4..ll 100 -i~ ENV ONMet4T: R ..
62DRY AIR Z12-H. H. A.
N 10.1 10-1
ioF3 1 a3
102 102.
.E0 - 1 -o0,z E
1654i7 1o74_ 0
-9- 10-5
16 V 0. 1-'1076
10 10761 o58 16 1
104 1 4 0 14 1 4 01 1 1 1 1 1 1 11 1 i l -
EIV R'111 -t111 10 @ ENVIONMENT: I'IIALP ~ ~ gNT:EVRNET: 100
10- 10-01 10.1 OF
10.2 1 a0'
-4.3
1010 3z10- EC
101 101 oF6 16
101 10
106 10-6
10 10 40~ 100 1 4 10 40I 100
8.20-147
Downloaded from http://www.everyspec.com
. . .. . . . .-. • . _ • - . . • -
TABLE 8.20.3.35
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.35INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T761
DELTA K DA/DN (10**-8 IN. /CYCLE)(KSI*IN**1/2)
•A B C D
• Ez : R. T.
:LAB AIR
A: 8. 75 3. 85DELTA K B:MIN C:
9.00 : 4.0910.00 : 5.4113. 00 " 13. 116.00 23.620.00 33.125.00 65.4
A: 27.73 : 129.DELTA K B:
MAX C:D:
ROOT MEAN SQUARE 21.37PERCENT ERROR
LIFE 0.0-0.5PREDICTION O.5-O.6 3
RATIO 0. 8-1. 25SUMMARY 1.25-2.0(NP/NA) >2. 0
8.20-148
", " , ," '' *J,'%,', '", ' ;, ."' ," '"'. ;''';'''',...-' ',, '..,,' -. " ".", '- -, --- "- .- " "_, '.'L,,".
Downloaded from http://www.everyspec.com
CONDITION/HT: T781 ALUM.FORM: 3. '"TH SHEET YIELD STRENGTH: 82.2 KS! ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70. 2 KSI
* ORIENTATION- L-T SPECIMEN THK: 0. OW"..- STRESS RATIO: *1L 10 SPECIMEN WIDTH: 1. 493- 1. 499"'' FREQUENCY: 21. 00 HZ REFERENCES:85387
AK (MPA V'm) AK (MPA4 10 40 100 4 10 40 100
ENVIRONMENT: R.' . 100 ENVIRONM NT:LAB AIR
10-2 162
1 0 .
010
" 1 71
0 11
0
102 10-2
4 .
.310 10 3 ElO5
EOs
'o5mI
z10 10-4
' " 1 -6 --_10"_ _-
10 1075
010-
- 10-6 -106
10 1LLJ±J
N 1 4 10 40 100 1 4 10 40 100
ENVIRONMENT: 1 @ ENVIRONMENT: 100
16C2 -162
10.1 -
10F 1_
10.1
1 02 102 _
44
10 10-s" 10 --_10"3_-- ____ E
_ __,o" 0.5 - 10- --- Zo
10
10
; . 10 - 16- 5
V i r. .- -4
1 0 6
6
108 I,,0 - 10 - -'.,-I -, - 6
1 4 10 40 100 1 4 10 40 100AK (KSI 'vr/) AK (KSI VIM-)
,P,, ' Figure 8.20.3.35
8.20-149
S..*p.3.
Downloaded from http://www.everyspec.com
TABLE 8.20.3.36
•.. a., FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.36INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T761
DELTA K . DA/DN (10**-6 IN./CYCLE)" (KSI*IN**1/2)
A B C D
E= R.T.LAB AIR
A: 8.76 : 2.27DELTA K B:MIN C:
D:
9.00 : 2.6210.00 : 4.3613.00 : 12.316.00 : 23.620.00 : 43.825.00 : 81.5
A: 29.38 : 134... DELTA K :
MAX C:D:
-''.4
ROOT MEAN 9SUAE 18. 71PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0.5-0.8 3
RATIO 0.8-1.25SUMMARV 1.25-2.0(NP/NA) >2.0
8.20-150
laei _ , , , _ . . . . ..
Downloaded from http://www.everyspec.com
CONDITION/HT: T781 [LU1,FORM: I 891"TH SHEET YIELD STRENGTH: 82.2 KSI ALLOYSPECIMEN TYPE: CT ULT. STRENGTH: 70.2 KSIORIENTATION- T-L SPECIMEN THK: IL00"STRESS RATIO: *I. 10 SPECIMEN WIDTH: 1. 499" 7475
, , FREQUENCY: 21.30 HZ REFERENCES:85383
AK (MPA %/) AK (MPA V')4 10 40 100 4 10 40 100
E-R, NT: ,... 100 '1"1" NVI ONMENT:
10-2 162------102
. 10 10.. 01-3 _0
410"2 16
1o.. -4__ 10._____z
, 166 1--',10 - 1 -
s
V 10 . 3 10 - 3
V. © ENVIRONMENT: 100oEVRNMN:1
101 -
1074 10.4
___ ___ __ __1__O"_ -1o 10.2 102
4 _0
=O., " 7 10- 10-3
10-6 10"- I h l_ I 1 1 1 11 1 1" 1 [ 1
. 1 4 1001 0 1 0162 162 Z
10.1 10-1-V
E
-V"1 0r4 10"4% V r
S1100- 1-li' 10 iO0
.7 -7i!" , 10" - -,1 1 _ _ _ _ _ I _,, -- 1
"s I ,1 1 I _ I 1_ _ _ -10 107
1 01 106l alf
1:, 1 4 10 40 100 1 4 10 40 100-" AK (KSI V'i) AK (KSI v'")
%l' Figure 8.20.3.36
(8.20-151
V . . . .. -.. . . .. . . . . . .
Downloaded from http://www.everyspec.com
%
1ABLE 8.20.3.37
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.37 INDICATING EFFECT
OF STRESS RATIO-,-
MATERIAL: ALUMINUM 7475CONDITION: T/61ENVIRONMENT: R. T. 3. 5% NACL
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A H C D
.'R-.+O. 05
A. 12.56 : 56.3DELTA K B:MIN C:
D:
13.00 : 60.616. 00 : 96. 120.00 : 15B.25.00 : 244.30.00 319.
A: 33. 19 : 354.* DELTA X B:
MAX C:D:
ROOT MEAN SQUARE 2. 88PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1SUMMARY 1.25-2.0(NP/NA') >2. 0
8.20-152
• .-. :
Downloaded from http://www.everyspec.com
CONDITION/HT: T71| ALUM.r. FORM: . 11 "TH SHEET YIELD STRENGTH: 50.8 KS1 ALLOY
SPECIMEN TYPE: CCP ULT. STRENGTH: 88. 7 KS]ORIENTATION: T-L SPECIMEN THK: 8. 114"
-"-"FREQUENCY: 2. 910 HZ SPECIMEN WIDTH: 3. 7" 77ENVIRONMENT: R.T. 3.51 NACL REFERENCES:88212
AK (MPA %/m) AK (MPA Vm~4 10 40 100 4 10 40 100
. - STRESS RATIO = 4.-. 95 100 STRESS RATIO
" 1- " 10-
,, .3 10.310.1 10.1 -
10"1=
i10-2 -23
4 4
10 EZ0 1- 1075- z
V 100 10746 66
16 -6 -
1f. 4 10 10 1 10 o
- STRESS RATIO =0 STRESS RATIO =0-7,71 2 _1
_2 _--_
',. , _.- 10"-1 10 " 1
=' ,10.3 10-3 -
S10
10 2
10166-8 -3
10 -- 100 -- 3 E
;.,. 0..0 10. 5 -0 5 -E-
• 1 -- _10 4 -_1 0 . 4
10-3,
-10 1-6-6 _--__10
.6_____110
1 4 10 40 00 1 4 10 40 1 0
A K (K SI 7n"T ) K (KSI .V IM)
Figure 8.20.3.37
.82 15
to4 0-
-.'a. . .. .', t .'''''.'"'','",' ' "" ' '". ""
Downloaded from http://www.everyspec.com
TABLE 8.20.3.38
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.38INDICATING EFFECT
OF ENVIRONMENT4%* e
MATERIAL: ALUMINUM 7475CONDITION: T761
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E 7- R.T. E= R.T.,H. H A. 3.5% NACL
A:DELTA K B: 12.85 " 53. 7MIN C:
D:
13.00 : 55.216. 00 : 88. 720.00 • 139.25. 00 : 205.30.00 : 269.
A:DELTA K 3: 32. 63 : 302.
MAX C:D:
ROOT MEAN SQUARE 0. 00 3. 54PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0(NP/NA') >2. 0
82.1...,
".,'*4*
8.0-5
': " " : " " ' ''" " ./' %1 : T -- ":" :-; .: .-L.:i .. :; _ -: .-.:,
Downloaded from http://www.everyspec.com
CONDITION/HT: T71 ALUM.FORM: U. 11"TH SHEET YIELD STRENGTH: 85. 3 KSI ALLOY
" SPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5 KSIORIENTATION- T-L SPECIMEN THK: 0.040- 0.12.15"
.' ,STRESS RATIO: -0. 05 SPECIMEN WIDTH: 12.000- 38. 000 7475.-. 'FREQUENCY: 2.90 HZ REFERENCES:98212
AK (MPA Vm) AK (MPA %/m)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 4 100 ENVI ONMENT: R.H. H. A. .5% NACL
S 100- 10 "1
101 E10-3
rlolO -o -10
10..,1". 10
0_ 10 '
1 0 s - 10 . - -11
4___ 10
' 1 4 10 40 100 1 4.L 10..J.L 40 100
% -- ENVIRONMENT: 100o ENVIRONMENT: 100o
10 10
10.4 2 _
-, - 10";- 10 - +,
,16' 1 6
-.- 0- 5 1 _
1'F 1" E
Z a _ _i_ _ - IO- -z1 4 10 10.4 4 10 .
10 - 10--
10 ____10" __--_ _ 10 .
10" -* I , I I I I -, 10 -- I , l li I J I I1
., .. ,. 14 10 40 100 1 4 10 40 100
-.- AK (KSI V'T) K (KSI v"T )
- , Figure 8.20.3.38%.
S107 58.20-155
...... o... ... . .. . .... . ... .. . .. . .. . .. . .. * .
a '" '' "" , -" '"-- "-,-- ''"".-'- ,o -•,- "- ' . - . ' - +74 . ' e
Downloaded from http://www.everyspec.com
07 7 7- -77 7-7 7 .,-
4'.:.4
TABLE 8.20.3.39
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.39INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T761
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E- R.'T.H. H. A,
A: 7. 84 5. 07DELTA K B:MIN C:
D:
8.00 " 5.439.00 7. 9610.00 " 10.813.00 : 21.416.00 34.720. 00 : 58. 1
A: 22.71 : 79.3DELTA K B:MAX C:0D:
-----------------------------------------------------------------------------------------ROOT MEAN SQUARE 6.43PERCENT ERROR
-----------------------------------------------------------------------------------------LIFE 0.0-0.5
PREDICTION 0. 5-0. 8RATIO 0,8-1.25 1SUMMARY 1.25-2.0(NP/NA) >2.0
"S
e,
8.20-156
v* . * • . . • . . . - . . - . . ..
Downloaded from http://www.everyspec.com
CONDITION/HT: T7151 ALUM.FORM: I. 1 "TH SHEET YIELD STRENGTH: 85.3 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5 KSIORIENTATION- T-L SPECIMEN THK: 0. 115"
~-- . P :STRESS RATIO: .. 25 SPECIMEN WIDTH: 24. 030"" FREQUENCY: 2. 00 HZ REFERENCES:8212
AK (MPA &/ ) AK (MPA .1 /)4 10 40 100 4 10 40 100
I 11 ,1 1 4 -I ' 'I l|llll N I 1 1 11 '1 11 " tENVIRONMENT: R. 0 o - ENVIRONMENT:-H. H. A.1- 102
10 100 101-
10F3 - o-3
10-2 1010 2
u 10 _o10 "4
EZI 15 1- - z
l 7 107 70-6 , _ _____i
n 3__ ______E__
'("z o75 105 o-" 0'
10- 101
1 4 1 40 10 4 10.
'' ENVIRONMENT: 0 o ENVIRONMENT: 10oo
1062 1062
4., - __ 0 - " 0
10 __10.3
-- 1-2 -2S 10 3 -
1 10 101- E
10 EZ --- __".________
" 1 075 1075 z
1 ~ 1 -o
1 -- 404
- 0.4
"
-61 -6
1 0 - 1 0 - I':v- -- 75 1 -
10',, 10. 10 0
1 4 10 40 100 1 4 10 40 100AK (KSI ') &K (KSI VIM)
Figure 8.20.3.39
8.20-157
4: : ... , . . .,::. ... ,
Downloaded from http://www.everyspec.com
TABLE 8.20. 3.40
FATiGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.4OINDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T761
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R. T. E=R. T.DRY AIR H. H. A. SALT FOG
A: 6. 38 : 2. 05DELTA K B: 6. 18 S 2. 95MIN C: 6.42 9.72
D:
7.00 : 3.00 5.08B 15.38.00 4.81 8.67 23.79.00 : 6.87 13.3 29.8
-10.00 : 9. 10 19.0 35.513.00 : 16.9 41. Q 64.616.00 : 27.9 72.0 113.
20.00 : 53.1 190.
A: 20. 38 : 56. 5
DELTAKB8: 17.61 :90.9MAX C: 21.42 :214.
ROOT MEAN SQUARE 7. 76 4. 64 5. 44PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0.8BRATIO 0.8-1.25 111SUMMARY 1. 25-2.0
.~1(NP/NA) D'2, 0
8.2 -15
Downloaded from http://www.everyspec.com
- -. 5 - . * o . .- Ld
b 1" -. . . .. " . . . . - , . % .. . . , -, V . • . • - S - - . . . , .
CONDITION/HT: T781 r~ ZFORM: 0. 13"TH SHEET YIELD STRENGTH: 88. 8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 74. 8 KSIORIENTATION- L-T SPECIMEN THK: 0. 128"STRESS RATIO: .0. 33 SPECIMEN WIDTH: 4. 000' 7475FREQUENCY: 13. 30 HZ REFERENCES:88e42
AK (MPA -%/m) AK (MPA %/mi)4 10 40 100 4 10 40 100
ENVIRONMENT: R. . 10 ENVIRONMENT: R. T..DRY AIR H. H. A.
-10 101
103 100_
0 10- 10.2
-z1Os -6_4- -%-116
- 0c 10-3 10 3 E
z -5 E
"1015 10 .
V':' 06 -- 10" -- 1- --
::::- -"_ l s - -- l______ ________
10 - 1010
--7 --__ l O 6 _ --7 o 6
10 -1
1 4 10 40 100 @ 4 10 40 100"1-T'V'" '"" 1- 'F '1'"I I 'III I I'''ENVIRONMENT: R. T.. 100 ENVIRONMENT: 100
12 SALT FOG 2 _
S10- 10-2 .
.10"
-
io...- _o-S02 -10.2
___'"__10"4 - 10 >,
10" -- 10
C 1 0- 10 -
- 10 10 E
10 -=0 " 10 "10 1010
1076 1076
o,- ""I4 10 40 100 1 4 10 40 100
AK (KSI /?n) AK (KSI v'n)Figure 8.20.3.40
8.20-159
Downloaded from http://www.everyspec.com
;<v. - a W . .
TABLE 8.20.3.41 - -
FATIGUE CRACK G-ROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.41INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475
CONDITION: T761
DELTA K " DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= R. T. E= R. T. E= R.T.:DRY AIR H.H.A. SALT FOG
A: 5.60 1.36DELTA K B: 5. 54 2. 23MIN C: 5.98 6.66
D:
6.00 1. 86 3. 15 6.767.00 : 3.43 5.84 12.28.00 : 5.40 9.48 19.69.00 7.70 14.0 28.610.00 10.3 19. 5 39.313.00 : 20.5 40.9 78.716.00 36.4 69.3 125.20.00 : 75.7 118. 191.25.00 : 202.
A: 24.97 : 192.DELTA K B: 25.01 : 202.
" MAX C: 22.77 : 237.. D:
ROOT MEAN SQUARE 6.90 7. 68 6. 13PERCENT ERROR
--------------------------------------------------------------------------------
4.. LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 3 3 3SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.20-160
"*"" ,W V"',' VV;',," " .- -. "- . - "~. *'-"""- . . . . . . . . "" . . . ... .. . . .-
Downloaded from http://www.everyspec.com
CONDITION/HT: T781 ALUM.FORM: 9. 13"TH SHEET YIELD STRENGTH: 55. B KSI ALL OYSPECIMEN TYPE: CCP ULT. STRENGTH: 75. 0 KS!ORIENTATION- T-L SPECIMEN THK: &. 128"
4: STRESS RATIO: *0. 33 SPECIMEN WIDTH: 4. 900 7475FREQUENCY: 13.30 HZ REFERENCES:95942
AK (MPA V/'m) AK (MPA V/'m)4 10 40 100 4 10 40 1000- - ENVIRONMENT: .. 10T lo HHA T.
16-DRY AIR 12 H. H. A.
10" 1010o1 10.1
10.2 142
.lO 10- U.. 3-
S 103 10- - 1
1.1 1O '5
ll f ] o104 104 "
. -106 l-6 _10-5010. 10-6
. 4 10 40 1 1 4 10 40 100
ENVIRONMENT: R. . i100 ENVIRONMENT: 10o-2 SALT FOG Z 12 - Z
10.2 10. 1
1013 10.3
10.2 -210"
1 104
010 -z E
- o6 66
10- 10-
-7 -710 101
1o-6 10-6
107 I CFOL.L.L.~1 4 10 40 100 1 4 10 40 100
A AK (KSI V1n) AK (KSI v'n)
Figure 8.20.3.41
8.20-1614"
Downloaded from http://www.everyspec.com
TABLE 8.20.3.42
FATIGUE CRACK PROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
% 4 ! DATA ASSOCIATED WITH FI-URE8.20.3.42INDICATING EFFECT
* OF STRCSS RATIO
MATERIAL: ALUMINUM 7475CONDITION- T7651ENVIRONMENT: R T I.AP AIR
------------------------------------------------------------------------
DELTA K DA/DN (I0**-6 IN./CYCLE)(KSI*IN**1/2)
A B C D
R=+O. 00 R=+0. 40 R=+0. 80
A: 3. 89 . 2-24DELTA K B: 3.668 .233
MIN C: 3.62 1.23D:
S4. 00 .216 .380 1.725.00 .254 1. 19 3.266.00 .458 2.57 5.177.00 .900 4.50 7.538.00 1.68 6.93 10.69.00 2.88 9.80 14.610.00 4. 56 13. 1 20.013.00 12.8 25.4 52.316.00 24.8 42.320.00 42.3 75.425.00 145.
A: 23.91 : 54.9DELTA K B: 28.77 : 232.
MAX C: 13.30 57. 7D:
-----------------------------------------------------------------------------------------4' ROOT MEAN SQUARE 8. 37 8. 69 6. 74.-. PERCENT ERROR
-----------------------------------------------------------------------------------------
LIFE 0.0-0.5PREDICTION 0. 5-0.8 1
RATIO 0.8-1 25 2 2SUMMARY 1.25-2.0 1(NP/NA) >2. 0
8.20-162
Downloaded from http://www.everyspec.com
CONDITION/HT: T71851FORM:SHEET YIELD STRENGTH: 697.8 KSIALYSPECIMEN TYPE: CCP ULT. STRENGTH:
-N ORIENTATION: L-T SPECIMEN THK: 0. 187- 0. 190"FREQUENCY: 2.00O- 30.809 HZ SPECIMEN WIDTH: 4.000- 12-004" 7475ENVIRONMENT: RT..*LAB AIR REFER ENCES:0AO00I
&K (MPA AWAK (MPA V/-)4 10 40 100 4 10 40 100
G) STRESS RATIO= *0. 0080 STRESS RATIO * 0. 40-62 ______ -102
10 l
101--
01
10- i 3 EE
io4 0-
V1 05 10- 5
168 il I I 11 -
0-
1 4 1 40 1410 40 100
STRESS RATIO= SO8910 STRESS RATIO= 100
-62 -62 ______ __
10-10F 10.110.
A210' 10 0
4 .4
c 10- 3 10EC 10-3
~10 107 -
104
-c6 166
10- 10F
1~ 0C 1
107 Z -106 10.61
I , lit I..1 1 a--'' Is . 1111. 1 11a
1 4 10 40 100 1 4 10 40 100AK (KSI /7)AK (KSI 1nTh
~/1Th Figure 8.20.3.42
8.20-163
Downloaded from http://www.everyspec.com
TABLE 8.20.3.43
FArIGLUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.43INDICATING EFFECT
OF ENVIRONMENI
MATERIAL: ALUMINUM 7475CONDITION: T7651
DELTA K . DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E= - 65 E= R.T. E= R.T..AIR,3-20HZ LAB AIR,6-30HZ S. T.W.,1-5HZ
A: 11. 25 3. 55DELTA K B: 3. 89 . 183MIN C: 6.10 : .622
D:
4. 00 : .187
5.00 " .2746.00 .4817.00 : .874 6.368.00 . 1.55 14.29.00 : 2.64 23.310.00 : 4. 26 32. 113.00 6.44 13.0 54.016.00 • 13.9 26.7 81.220.00 28.4 43.3
25.00 53.2
A: 29.01 77.5DELTA K B: 23.91 47. 7
MAX C: 18.16 • 118.D:
ROOT MEAN SQUARE 10.11 8.70 13.61PERCENT ERROR
LIFE 0.0-0.5PRDICTION 0. 5-0. 9 2
RATIO 0.8-1.25 1 21SUMMARY 1. 25-2. 0
(NP/NA) >2. 0
-01
,' , 8.20-164
* " . k " " ' " . - "q " ,-L" , ' * ':
Downloaded from http://www.everyspec.com
.,.."
* CONDITION/HT: T7151FORM: SHEET YIELD STRENGTH: 07. 6 KS1 ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION- L-T SPECIMEN THK: 3. 188- IL 193"
, STRESS RATIO: .0 80 SPECIMEN WIDTH: 4.080- 12. 00774i FREQUENCY: REFERENCES:DAI01
AK (MPA -/-) AK (MPA V/-)
4*. 10 40 100 4 10 40 100ThT
G) ENVIRONMENT: - 5 '100 E1NVI O8NMENT: R. T..AIR. 3-2HZ LAB AIR. 0-30HZ
162 1 02 L AB
_H1
10" _ 10.1
1.3 __ _ _ _ o
1010-2 -- 2
ul 10
,c, 10-3 10-E
1 01 E
0~ -5_ _ 0
1-7 __ 010
010 10-
10F 1 OF710.__-_--_10 -3 10-3
0 lO - - 1z
1 4 10 40 100 4 10 40 100
ENVIfRONM R. 00z ENVIRONMENT: 100162 162
10 - 10-7
S1061 3 10.
102 102.
44
.s 10 10 -10
z E1- - -- 10 E
1100 10.
16- 166
7. -71. -_ 1 .
10106 -
" -- 10.6 -_ 10.6
_K (SI I _KSI -11 11,"".-.:. 10- 4 ,1 ,10 I 40, !,100 -10- 4 ,II10 I 40,,100 -
AK, SFigure 8.20.3.43
8.20-165L*1.4::
:
.::-: ; -.:;:-,,-,',.-.: :-.:..: . .. -..,-- ,,. -o . .. .. , ,. . .. ,.-' . " '- -" -- - - • . .. ,- - - ., . , ,. . .. , .. . .. . , . ,... ,. .
Downloaded from http://www.everyspec.com
TABLE 8.20.3.44
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATE') WITH FIGURE 8.20.3.44INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7651
DELTA K . DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
. A B C D
. Em- 65F E- R.T."AIR, IOHZ LAB AIR,2-10HZ
A: 6.25 • 2.03DELTA K B: 3.62 1.23
MIN C:
4.00 1.725.00 : 3.266.00 : 5.177.00 : 3.63 7.538.00 : 6.28 10.69.00 : 9.57 14.610.00 : 13.9 20.013.00 : 52.3
A: 11.72 : 26.0DELTA K U: 13.30 : 57.7
M4AX C:
ROOT MEAN SIMRE 2. 18 6. 74PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1 2SUMMARY 1. 25-2. 0(N/NA) >2. 0
8.2-16
~8.20-166
%. .p-% . " - " " " " "" ' " "" " - "" ""°""""" ". """" """"""
Downloaded from http://www.everyspec.com
a *. * * - * ... ... .
- iCONDITION/HT: T7651FORM: SEET YIELD STRENGTH: 87. B KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:
*ORIENTATION- L-T SPECIMEN THK. IL 188- IL 1903"STRESS RATIO: *.3 .8 SPECIMEN WIDTH: 4.804- 12.004" 7475FREQUENCY: REFERENCES:DA3B1
AK (MPA -%/) AK (MPA %/W)
4 10 40 100 4 10 40 100
- ENVIRONMENT: - 100 NVI ONMNT: R.
-2 AI 1 16 LAB A1R.H-1ZHZ
10.1 10.1
1oF3 -OF
,10"2 10-2
1,...l6 l6410.3 - 10.3-- lo E
Z Z o"- 10 -5 65- .V104 106
7o 1 1 7
10.6 1
10" 1I I T 1 1 1 1 10, I I II I0-I1 4 10 40 100 1 4 10 40100
ENVIRONMENT: 10o ENVIRONMENT: 10o
12 62 Z--. -. _ 110
10.1 101-
1 o3 1 iOFS..10.2 10-2
- -10 -
C 10 E
1z 10 E
V104 10. iF
"10-5 10.
1~0-'i" 1_ 10.5 -
-- 10"5 -- - 10 -6
lore1 a -- 10.4
10..., f - 0l.a I1 4 10 40 100 1 4 10 40 100
AK (KSI 'i) AK (KSI IM/)Figure 8.20.3.44
8.20-167
',..I
Downloaded from http://www.everyspec.com
TABLE 8.20.3.45. --., .
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.45INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475. CONDITION: T7651
ENVIRONMENT: R. T. , LAB AIR
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI* IN**1/2)
A B C D
R=+0. 00 R=+0. 40 R=+O. 80
A: 6. 12 441DELTA K B: 6.82 4. 51
MIN C: 3. 18 .654" D:
3.50 9014.00 1.85.00 4.036.007.00 .789 4.938.00 1.44 7.369.00 2.45 10.010.00 3.9313.00 11.816.00 24.7
* .- 20.00 47.6* 25.00 : 83.7
30.00 129.35.00 188.40. 00 265.
-- 50.0O0 508.
A 57. 35 " 813.DELTA K B: 9.50 • 11.5
MAX C: 5. 14 " 4.24
ROOT MEAN SQUARE 9. 10 .69 3. 88". PERCENT ERROR
LIFE 0.0-0.5S'i PREDICTION 0.5-0.9
RATIO 0.8-1 25 1 1'UWI'AY 1.25-2.0
..- .- (NP/NA) >2.0 1
8.20-168
'% ' 1, • ". ",, " ", '% ' " % . "." 1 . . . ". " . " " • ' .".". . . . . ... . . " . " -. . "
Downloaded from http://www.everyspec.com
.. *p * -.- * -.- . -q . - ~ T- , . . . *. . -, -,. -. -- i ',," - v
.-
_CONDITION/HT: T7851 ALUM.FORM: I. 25"TH PLATE YIELD STRENGTH: F7. 8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH:ORIENTATION: L-T SPECIMEN THK: 0. 251- 0.253"FREQUENCY: 3.00- 30.00 HZ SPECIMEN WIDTH: 3. 998- 12. 01" 7475ENVIRONMENT: R. T.. LAB AIR REFERENCES:DA001
&K (MPA &.m) AK (MPA V" )4 10 40 100 4 10 40 100
I I will @ I I T 1l I I 'I 1I'I
STRESS RATIO = -1. 00 - STRESS RATIO = o0. 40
10 102_
10.1 10"1
10-2 10-2 _
9.. 10"3__ __ __--__ __ _1 3
4 -4 Zi
106 _106 _-
10 10- E
101 1 1 165 ,
, 41 14 0 4100100 10 0
10 1
y 10. 107a-1 4 10 40 100 4 10 40 100
-STRESS RATIO = .0.8 100 @ -STRESS RATIO =100
1 2 -2 _*121. 190 162
10 - 10
.101 10.1
4 4-1- 10
6 -
-3io 3 E
..-- 10" 10-5
E-5 1 _ __ _ _ __5_
1-4 101 -
S10 10 6
'1 - 1 4 10 40 100 1 4 10 40 100,LJh... igre- 1]*
A K (KSI V/Tn) &K (KSI V.%T)Figure 8.20.3.45
8.20-169
9, * *5* *-*- .:-]
Downloaded from http://www.everyspec.com
TABLE 8.20.3.46
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.46INDICATING EFFECT
V." OF STRESS RATIO
MATERIAL: ALUMINUM 7475
CONDITION: T7651ENVIRONMENT: R.T. ,DRY AIR
DELTA K • DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=-0. 20 R=+O. 10 R=+0. 30 R=+0. 50'.. .
A: 3.26 : .062DELTA K B: 5.62 .466MIN C: 3.51 : .147
D: 2.38 : 101
2.50: 1093.00: .169
3.50 • .0723 .2804.00 : .0990 .245 .4655.00 : .191 .627 1. 156.00 : .377 .575 1.40 2.35
7.00 : .728 .891 2.79 4.078.00 : 1.33 1.37 6.299.00 : 2.27 2.25 8.9710.00 : 3.63 3.73 12.113.00 : 10.2 11.2 23.516.00 : 19.0 21.420.00 : 32.7 37.725.00 54.0 63.0
30.00 : 84.035.00 : 130.
A: 39.76 : 199.DELTA K B: 28.70 : 80.1
MAX C: 7.94 4.88D: 15.98 37.4
ROOT MEAN SQUARE 10. 22 12. 89 9. 40 7. 47- PERCENT ERROR
LIFE 0. 0-0.5PREDICTION 0. 5-0.89RATIO 0.8-1.25SUMMARY 1.25-2 0 1 1 1 1(NP/NA) >2. 0
8.20-170
• . ......
Downloaded from http://www.everyspec.com
CONDITION/HT: T7551 ALUM.iFORM: 0. 50"TH PLATE YIELD STRENGTH: 70.6 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 78. 1 KSIORIENTATION: L-T SPECIMEN THK: o. 1g8- 0. 202"FREQUENCY: 5. 00 HZ SPECIMEN WIDTH: 6. 007- 6. 009" 7475ENVIRONMENT: R.T., DRY AIR REFERENCES:G0087
AK (MPA V',m) &K (MPA ./')4 10 40 100 4 10 40 100
STRESS RATIO = -0. 20 STRESS RATIO = --0. 10
10 -2 10 21"01 10' 1 0
,61 10"
10.2 10-2
c 10- 10-3 E-Ez1 -
1 00 5
1001010- 10. 4
16 -7
10 107-7m
S.6 1
1 4 10 40 100 1 4 10 40 100
I ' ' PII I I' 'i'f 100 I' '' IIII0STRESS RATIO = +0. 30 STRESS RATIO = *. 50 10°
1-2 -62
10 101
oF3 1OF Z
10-2 10-2
-13S 101 -
1 om
," Z 10"5 -71. 5 -0
E
1 10 -50
10 1 -
" ~10- -- L I LL I , ..I..1..I ..I..LI.l, -1 8 -- I I, ,I I I Ii, -
.. ,1 4 10 40 10014 1 0 1O
A,'.. K (KSI .V )AK (KSI vTn). Figure 8.20.3.46
• 8.20-171 l
Downloaded from http://www.everyspec.com
4 . -, *- - -- V77.-o..'
TABLE 8.20.3.47
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS I'OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.20.3.47INDICATING EFFECT
OF STRESS RATIO|I
MATERIAL: ALUMINUM 7475CONDITION: T7651ENVIRONMENT: R. T. , S. T. W.-----------------------------------------------------------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
N.qR=-O. 20 R=+0. 10 R=+0. 30 R=-O. 50
A: 4.45 .262DELTA K B: 3.34 : .0791MIN C: 3.58 .0800
D: 3.02 .211
3.50: .100 .2454.00 : .151 .241 .5975.00 • .346 .264 .764 4.066.00 1.03 .956 5.15 12.67.00 • 3.20 4.73 12.0 2J.28.00: 7.91 11.0 17.9 28.49.00 : 15.4 17.9 23.7 35.910.00 24.6 25.9 30.8 44.813.00 : 43.9 52.1 60.116.00 : 50.8 78.6 100.20.00 " 115. 162.25.00 : 233.
A: 18.59: 79.1DELTA K B: 22. 11 : 136.
MAX C: 25.47 : 238.D: 11.88 : 70.4
ROOT MEAN SOUARE 28.02 19.91 15.71 26.97PERCENT ERROR
LIFE 0. 0-0.5PREDICTION 0. 5-0.9
RATIO 0.8-1.25 1 1S"MARY 1.25-2.0 1 2
2-i
(NP/NA ) >2. 0 "
I-q 8.20-172 .
- -. . . . . • -. . . . . ... . . . .- .. . _
- II| ' -. p -.
Downloaded from http://www.everyspec.com
CONDITION/HT: T7851ALMFORM: 0.50'TH PLATE YIELD STRENGTH: 70.8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 79. 1 KSIORIENTATION: L-T SPECIMEN THK: 0. 200- 0. 208"FREQUENCY: 1.00 HZ SPECIMEN WIDTH: 8. 005- 8. 011* 7475
*ENVIRONMENT: R. T..* S. T. W. R5FERENCES:GD008
AK (MPA VmW) AK (MPA V-m)
. '.4 10 40 100 4 10 40 '100
11 11 1~ 1' 1''' 1' I'1' 100- 1 ,11 1 111 11
STRESS RATIO = -0. 20 10STRESS RATIO = +0.L10
10 - 01010.1 10.1
ioF3 -10F
10-2 -2
44
-3310 10 E
10-
o5
10-6 10'6
*-STRESS RATIO 4.0. so 10STRESS RATIO= 4-1&50 100
-- 102 Z 102
10' 10'
-- 4-~1 10'210-
4 10 4
1_ __ __ -6U
-6- 1 IT 10' 3 -E1
1016%1 o
100- - 1
16 166
%1 4 1 40 101 4 10 40 100
AK (SI n Figure 8.20.3.47AK(S
8.20-173
Downloaded from http://www.everyspec.com
TABLE 8.20.3.48
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.48 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALU)MINUM 7475CONDITION: T7651------------------------------------- -------------------------------------
DELTA K DA/DN (10**-6 IN. /CYCLE)
00 A B C D
E= R. T. E= R. 1.*H. H.A. S. T.W.
A: 6.80o 1.70DELTA K B: 5. 69 1. 13
MIN C:D:
6.00: 1.267.00 : 1.98 2.318.00 : 3.55 4.809.00 5.18S 9.41
10.00 6.84 16.213.00 : 13.9 44716.00 27.6 87.3
* .20.00 :199.
A: 18.72 45.1DELTA K 9: 21.30: 264.
MAX c:
ROOT MEAN SQUARE 7.68 14.71
PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. S
RATIO 0.8-1.25SUMMARY 1.25-2.0 11(NP/NA) >2. 0
8.20-174
A t
Downloaded from http://www.everyspec.com
• . , - .~ - .. , * U o
CONDITION/HT: T7151 ALUM.FORM: 3. 50"TH PLATE YIELD STRENGTH: 70.8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 78. 1 KSI
*,--. ORIENTATION- L-T SPECIMEN THK: . 198- 0. 202"i..i -. eSTRESS RATIO: -0. i SPECIMEN WIDTH: 6. 08- S. 007" 7475
FREQUENCY: 0. 10 HZ REFERENCES:GD885
(MPA mA-K (MPA /)4 10 40 100 4 10 40 100
0 ENVIRONMENT: R. o o 0 0 ENVI ONMENT: R. T.H. H. A. S. T. W.
12 __ 10.2
10- I0-3l 0- 1
_102 - 10. 2
~ -2 1-
-4 -4 --_>,
" c -3_310 13 E'0- 10 -- - E
65 0" 10.5 Z
1 _ 10.4
1-6 _ 10.6
_ __ -11005
"7- 10F7
10 -6 10-6
10-8 1 1 1 1 111 ! 111 111,11 A 108 11 4 10 40 100 4 10 40 100
".."ENVIRONMENT: 100 ENVIRONMENT: 10o
162 ________-162
10.1 10-1
:,, .. 103 103
br1"-2 -20-
4 4
103 103 EI ' z 5 10 5 -
16zZ -- ______ ___ _ __ 10" _0~ E_1-
1 io 1
--- 010"s
7-- . -- 107 -7
* 10 10
-- 10"6 10-6
10F
1 .4 10 40 100 1 4 10 40 100i..% AK (KSI V/ n) A K (KSI VIM)AK'(KSI..'-i Figure 8.20.3.48
8.20-175
'0-
.% *,.
Downloaded from http://www.everyspec.com
TABLE 8.20.3.49
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.49!NDICATING EFFECT
OF ENVIRONMENT
,., MATERIAL: ALUMINUM 7475CONDITION: T7651
DELTA K DA/DN (lO**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E- R. r..- 3. 57. NACI
A: 5. 8 - 1.23
DELTA K B:MIN C:
D:6.00 1.337.00 9.878.00 12. 1
9.00 18.010.00 : 27.313.00 : 64.4
A: 15. 14 : 83. 1DELTA K B:
MAX C:-:' "D:
ROOT MEAN SQUARE 9. 36PERCENT ERROR
LIFE 0. 0-0. 5'. PREDICTION 0. 5-0.0
RATIO 0.8-1.25. SUMMARY 1. 25-2. 0
(NP/NA) >2.0
@821
- - 8.20-176
,# ,
" , 9.9
Downloaded from http://www.everyspec.com
.. . ..
7.- -. W
.,,
CONDITION/HT: T7855 ALUM.FORM: 1. U"TH PLATE YIELD STRENGTH: ALLOY
SPECIMEN TYPE: ULT. STRENGTH:ORIENTATION- SPECIMEN THK:
8 STRESS RATIO: +1L 10 SPECIMEN WIDTH: 7475-- FREQUENCY: 1.00 HZ REFERENCES:91332
AK (MPA -\/-mA) AK (MPA -\/-')4 10 40 100 4 10 40 100
ENVIRONMENT: R. 1** I I'10 8 NWI NT:3. 5% NACL-O2 lO_______ _________ -- 2 _______
10 10-10.1 10. _
io --10.2 10
.1 __ _ _10" _ 1 4
4..' 10- U010, 3 103 E
10-4 10-4 E0
-U 107 - 10F --
106 10.6"' '-- -II
-. ;,1 4 10 40 1D 1680 4 10 40 10
ENVIRONMENT: 100 ENVIRONMENT: 100
10 10 -
.- 10.1 101
.- 1-3 2 102 3 0--%--4 0 10.
>% 164 14-- >
"0-- -10. 13 E
=(.'10 ... 0
0 E
----- l6 10-
-- 1 - 10104 6
10-6 1 7
ow i68 ... L..LL6 ....... L.LLt- 1 ~**~~~1 4 10 40 100 1 4 10 40 100
AK (KSI v(A) AK (KSI \/T)Figure 8.20.3.49
8.20-177
9:!*
. .... . . ..
, -4 - ° , , , ° . . , , , ° o , = . , ° . , . . o .. , o ° p . . . . . % . . .,q °
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TABLE 8.20.3.50
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.50INDICATING EFFECT
- - - ,OF ENVIRONMENT
MATERIAL: ALUMINUM 7475CONDITION: T7651
------------------------------------------------------------------------------------------DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**1/2)A B C D
E= R.T..DRY AIR
A: 4.44 .591DELTA K B:MIN C:
5.00 : 1.03
6.00 1.987.00 2.978.oo : 3.949.00 : 4.9210.00 : 5.97
13.00 : 10.516.00 : 19.9
A: 16.94 25.0DELTA K B:
MAX C:D:
-----------------------------------------------------------------------------------------ROOT MEAN SQUARE 7. 66PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8
*.'.~ -RATIO 0.8-1.25SUMMARY 1.25-2.0(NP/NA) >2. 0
8..2..1
{ 8.20-178
* .*%*f."
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CONDITION/HT: T7651 ALUM.FORM: 1. 00"TH PLATE YIELD STRENGTH: ALLOYSPECIMEN TYPE: CT ULT. STRENGTH:
,. -.ORIENTATION- L-T SPECIMEN THK:STRESS RATIO: -0. 10 SPECIMEN WIDTH: 7475FREQUENCY: 20. 00 HZ REFERENCES:91332
AK (MPA V-) AK (MPA V'M)4 10 40 100 4 10 40 100
ENVINMENT:. 0 ENVI ONM NT:DRY AIR
10 _ 10 -- I -1 10' 10-1
163 - - - OF3
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S. u 1 - 1013 - EC ~ E
z0 105 1°"75_r __ o0
. 4 _ - 10 4
~166
%. 10"5 _o7
10. 6 10-6..10 " -,1 I,,1 'SciI ,6 ,I I
-1 4 10 40 1001 4 10 40 100, -- _ ' '" '""I I ' i' ll
ENVRONMENT: 100 @ ENVIRONMENT: 100-2, ,;10 _ ________ _______ _ 2 _ ________ _ _ _ _ _ _ _ -
S10 -2 -
1 0 .1 1 0 .1 E
10. 10"2--.- 10.2 _
1_7 1__4 104 -11004
100 10
- , -_ __,_ __-_ _l O-__ _- l O.__ _ _ _ _ _
10 -10 - 6V .,1 " 1 -1. ---
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i0~l- -= 10.6 -_10"
r,' 168 gil I , ,1,1, I ,I1,1. 1,L-- 1 1,1,1 I ,...1.1,.--.; "- 1 4 10 40 100 1 4 10 40 100
AK (KSI Figure 8.20.3.50 AK (KSI V
8.20-179
0z'
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TABLE 8.20.3.51
SUS$TAINED CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.20.3.51NDICATING EFFECT
OF FORM
MATERIAL: ALUMINUM 7475CONDITION: T761ENVIRONMENT: R. T 3 5% NACI.
- .K MAX DA/DT (10**-6 IN/HOUR)(KSI*IN**1/2)
. A B C D
Tr(IN)= 0.04SHEEF
A:KMAX B:MIN C:
D:
200.00
K MAX A:
MAX C:D:
ROOT MEAN SQUARE 0. 00PERCENT ERROR
.. 8
28.20-18
/ :4- :
- 1. ROOT MEAN S U4 E -.-O
".4 4*. 4'* i,4. .
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CONDITION/HT: T781 ALUM.ENVIRONMENT: R. T. *3.51 NACL SPECIMEN THK: I. 040" FLSPECIMEN TYPE: CNT SPECIMEN WIDTH: 12. 80ORIENTATION* L-T; T-L CRACK LENGTH (Ao):YIELD STRENGTH: 59.8- 5.K Kiscc:ULT. STRENGTH: RFERENCES:88212
-. K max (MPA Viim) K max (MPA %/m)4 10 40 100 4 10 40 100
I ' I 111I I1I I 1 1111 1 2 I 1 1 1 1 1 II' 1 1 ]11 -fI'
FORM: 0.04"TH 102 FORM:100 SHEET 0
101 010
Iu 0 100
0 010 10
0 °° 2 10_ _ 010 1O- -
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40 100 -= 061 40 10
101
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1070 1--5 1
t 10- 4 1010-
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f2 2_FORM: 1 @ FORM: 10
100 100
101 101
i6' - __ 1 ______
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10- -= iO' o- O
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1071
1 4 10 40 100 10"61 4 10 40 100*44% Kmax (KSI V) Figure 8.20.3.51 Kmax (KSI vl )
8.20-181
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TABLE 8.21.3.1
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.21.3.1 INDICATING EFFECT
OF STRESS RATIO-- ----------------------------------------------------------------
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: R T. ,H H A
DEiTA K • DA/DN (10**-6 IN. /CYCLE)(KSI* IN**1/2) •
A B C D
R=40. 05 R=+0. 25
A: 11.50 9.78DELTA K B: 8.7e 11.4
MIN C:D:
9.00: 11.510.00 . 12.613 00 " 15.9 21.016.00 26.1 37.620.00 : 39.1 72.6
25.00 • 77.3
A: 27.35 • 121.DELTA K B: 22.61 : 101.
MAX C:D):
ROOT MEAN SQUARE 6.41 13. 11PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0(NP/NA) >2 0
82I
"..% . "% I
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CONDITION/HT: T51 ALUM.FORM: 0. 04"TH SHEET YIELD STRENGTH: 65. 7 KSI ALLOYS SPECIMEN TYPE: CCP ULT. STRENGTH: 73. B KSIofRIENTATION: L-T SPECIMEN THK: 0. 040"FREQUENCY: 2. 00 HZ SPECIMEN WIDTH: 23. 970- 4 1 7475
-:%ENVIRONMENT: R. T. *H. H. A. REFERENCES: 862 12 (LCA
&K (MPA N/m') &K (MPA )4 10 40 100 4 10 40 100
lo0o.: I l '' I I'''STRESS RATIO 0.05 lUSTRESS RATIO -0. 25
100 - 10
10'3 10F'
10.2 -0 2
U 16.)_
C .,S . 1 0, - 1 0 ,
z10 1 5
10'0
10 1010
10- 10
10.6 1 101 4 10 40 1004 10 0 10
.2 © STRESS RATIO lo16 STRESS RATIO 100
1-2 1__
_2_ Z__
_ __ _ __ _ _ _ _
10.1 10.1
4.2
4, _ 10;
440
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10 10;10
16 1 16
10 -110
10-6 10-6
li0e -~.i..i 108 -
So1 4 10 40 100 1 4 10 40 100'~ *~%&K (KSI Figure 8.21.3.1 &K (KSI ')
'U 8.21-13
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TABLE 8.21.3.2
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.2INDICATING EFFECT-
OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: R.T. .3.5%. NACL
DELTA K .DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
*...A B C D
. R=+0. 05 R-+0. 25
A: 13.24 : 48.9DELTA K B: 11.34 :69.4
MIN C:D:
13.00 :72.516.00 : 75.0 85.6
*.20.00 : 107. 121.25.00 : 150.30.00 : 215.
A: 32. 52 : 264.DELTA K 3: 23.96 :184.
1. AX C:0:
ROOT MEAN SQUARE 4. 06 6. 45PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 9
RATIO 0. 8-1. 25 1 1SUMMARY 1. 25-2. 0(NP/NA') >2. 0
8.21-14
Downloaded from http://www.everyspec.com
CONDITION/HT: T81 ALUM.FORM: 0. 04"TH SHEET YIELD STRENGTH: 68. 8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5 KSIORIENTATION: L-T SPECIMEN THK: 0. 040"FREQUENCY: 2.00 HZ SPECIMEN WIDTH: 36. 030- 36. 040" 7475ENVIRONMENT: R.T. o 3. 51 NACL REFERENCES:86212 (ALCLAD)
A K (MPA A")ZK (MPA v
4 10 40 100 4 10 40 100
STRESS RATIO +0.05 1o STRESS RATIO --0.25-O2 1O-2 1
10
10.1 10.1
" 10.4 104
O r 10.3 10.3
1 0 - - -z
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10 6.
z_ _7=_1 1y 5
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10-- 10--
11 1 1 i l d I I I I lilt - OF, I I061 1 1 1 [111
1 4 10 40 100 1 4 10 40 100
STRESS RATIO STRESS RATIO 100
101 10"11101 310 -
10102 0- - 2
u>. _4> U
3 10 10 -
c_ 10.3 - 10. 3 E
z0 EZ .5 E
:Zi 110 - z'0 -- 10. 104
106- 106
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10.6 10.6
i 10-8 I , .1,1, ..I [Lz.. 1, - 10-8 1 , I, ijJ~ji , -
- 1 4 10 40 100 1 4 10 40 100AK (KSI V') AK (KSI VT)
Figure 8.21.3.2
8.21-15
,.. ...-.................... ............. .... ......... .................... :, ..... ....... .......... "...
Downloaded from http://www.everyspec.com
TABLE 8.21.3.3
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.3 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: R.T. ,H.H.A.
. DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+O. 05
A: 45.66 B18.DELTA K B:
MIN C:D:
50.00 1796.
60.00 5797.
70. 00 17228.
A: 72.32 • 23137. LDELTA K B:
MAX C:D:
ROOT MEAN SQUARE 11.05PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8 1RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0(NP/NA) >2.0
8.21-16
.5.,
," ,. ,,%..,.',-.,'.'.- , -" -"." .",".:," .' -..'. . .. .................. ,... ,. . ...
Downloaded from http://www.everyspec.com
CONDITION/NT: T81 ALUMFOM: 0.04THSHETYIELD STRENGTH. 155. 7- 88.8 KSI
SPECIMEN TYPE: CCP ULT. STRENGTH: 73.86- 74. 5 KSIALOORIENTATION: T-L, SPECIMEN THK: 0. 040"FREQUENCY: 2. 00 HZ SPECIMEN WIDTH. 12. 000" 7475ENVIRONMENT: R. T. *H. H. A. REFERENCES:85212 (LLD
4 10 40 100 4 10 40 100
~STRESS RATIO -o005 10 STRESS RATIO
10 L110 10-1
1 3 10-
102 102
-4-4________
U 10
10 E
10 -10
1016,1
10 -5 10-
101 10.1
-6 106
1U168 E
100
10- - 10
10 1010
-3-10. 3E
Downloaded from http://www.everyspec.com
L -- - - - --. S..
TABLE 8.21.3.4
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.4 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: .T. H. H. A.
DELTA K DA/DN (10-*-6 IN. /CYCLE)(KSI*IN**1/2)
- A B C D
-- "R=+0. 05 R=+0. 25
A: 15.82 29. 5DELTA K B: 9. 46 9. 39
MIN C:D'
10.00 10.813.00 19.316.00 29.9 30.320.00 43.8 56. 125.00 : 80.2
A: 27.02 : 104.DELTA K B: 22.36: 83.8
MAX C:.:-'. -D :
ROOT MEAN SQUARE 4.35 3. 15PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
" RATIO 0.8-1.25 1 1SUMMARY 1.25-2.3
. . (NP/NA) >2. 0
4-4
•or
8.1..
O_; 8. 21-18
Downloaded from http://www.everyspec.com
CONDITION/HT: T61 ALUM.FORM: 0. 04"TH SHEET YIELD STRENGTH: 68.6 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5 KS]IORIENTATION: T-L SPECIMEN THK: 0. 040'FREQUENCY: 2. 00 HZ SPECIMEN WIDTH: 23. 920- 24. 010" 7475ENVIRONMENT: R. T.. H. H. A. REFERENCES:86212 (ALCLAD)
AK (MPA VNm) AK (MPA %/Th)4 10 40 1no 4 10 40 100
I 1 11111 1 I I' ' ' -4 = I 1' 1 ' 'I1 I 1 1 1 1 "t
STRESS RATIO = -0. 05 "10 STRESS RATIO = 0. 25
10-2- 10-
10"3 --03-
10 2 10-2
v C. ----,
>14 / 0
4 U - .
_ 10 .-3 1 3 EZ 1 5 -10 5 - - Z
Z 0 10 E
166 161 -6 -- 1 -6 --________ _________
0115 10 5
-7-i ' 10"7---- 107 ----
1. 10-6 1 O 10 . 6
-108 I 108FI -
1 4 10 40 100 1 4 10 40 100
STRESS RATIO = 100 STRESS RATIO= 10o1-2 1-2
.0 10 - 1
10.3 -- 10-3 -
-- 10 2 _ _ 0 2
*10 0 -
>. -- __ _ _ 10. 3
___ 1 " 10-
1 - 3S 1013
_ 5- E-1- 4 -- 10 E
1 0- 1 0 --1-F 1F,
-6 10 6 6-O 6 _ _ _ ,_ _ _ _ _ _ , 1 0 , , , -l O e I , i i l , I , i l I100
107 108
1 4 10 40 100 1 4 10 40 100A K (K SI vin)A K (K SI VIM)
Figure 8.21.3.4
8.21-19
Downloaded from http://www.everyspec.com
TABLE 8.21.3.5
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.5 INDICATING EFFECT
OF STRESS RATIO- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* MATER IAL: AL.UMINUM 7475 (ALCL.AD)CONDITION: T61ENVIRONMENT: R T. , H. H.A.
------------------------------------------------------------------------------------------DELTA K DA/DN (10**-6 IN. /CYCLE)
(KSI*IN**l/2)V...A B3 C
R=+0. 05 R=+0. 25
A: 11.39 10.8DELTA KB: S.44 5.01
MIN c:D:
9.00 6.1510. 00 e. 4513. 00 14. 7 17. 516.00 23.3 31.020.00 . 39.7 60.9?
*25.00 : 76.6 135.30.00 : 152. 298.35.00 : 313.
* ~.40. 00 : 667.
A: 41.52 : 843.DELTA K B: 32.55 :447.
MAX C:
ROOT MEAN SQUARE 15. 75 20. 59PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8RATIO 0.E8-1.25 2 2SUMMARY 1.25-2.0
-. (NP/NA) ':2. 0
8.21-20
Downloaded from http://www.everyspec.com
I I. - - J -U- . ,, . . . , I. , - , . - ' , - ; - "
S CONDITION/HT: T61 [LUH .FORM: 0. 04"TH SHEET YIELD STRENGTH: 85.7- 58.5 KSI ALLOY
".- SPECIMEN TYPE: CCP ULT STRENGTH: 73. - 74. 5 KS I
ORIENTATION: T-L SPECIMEN THK. 0. 040"FREQUENCY: 2.00 HZ SPECIMEN WIDTH: 35. 980- 36.02" 7475
,- ENVIRONMENT: R. T.. H. H. A. REFERENCES:85212 (ALCLAD)
AK (MPA v/-) AK (MPA %/-).4 10 40 100 4 10 40 100
= STRESSRATIO -0.05 lo STRESS RATIO -0. 25
-101 10 2
" 10.1 101
,) 11
10 2 410
101 10"4 E"D -0- 103 61
- E
4 4l
010 1010
""1 4 10 40 100 1 4 10 40 100
::"@ I 'IlIl ' 'II" STRESS RATIO =10° l l,,l I ,ll, STRESS RATIO = 100
,166
10 105
. - 10 "1 _101
b. 03 I iO 103 _-
10 .2 -2102
1
10
1,-8
.- 10 781 3 - L h 1 .
* -~ =o = P1 4 10 40 100
4 10 40 100E I 10
. I 10 . 4
110-6 10-6 Z-
. 210- 2
o 4 -10
1. --.
1 6 10
-6 --S1
6
154 1 15 4 E04
107 z
KI KI
"'v Fiure .21.3.
18.21-21
I .-.-,-:.,-,....-'.,.:.,...: .. . ... ... :.. ...... ... v ...-. ,-. - .-.- ---.- : •- -- -<:/-" .. .".,5
Downloaded from http://www.everyspec.com
TABLE 8.21.3.6
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FI(OURE 8.21.3.6 INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61
DELTA K DA/DN (10**-6 IN. /CYCLE)* -. (KSI*IN**1/2)
A B C D
E=R. T.:3.5%. NACI
A: 15.1 le 69.1DELTA K B:
MIN C:
,... D:
16.00 : 73.720.00 : 104.
.'~..~'25.00 154.30.00 212.
A: 33.11 : 248.DELTA K B:
MAX C:
ROOT MEAN SQUARE 2. 21-. PERCENT 1ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.21-22
Downloaded from http://www.everyspec.com
CONDITION/HT: T81 ALUM.FORM: 0. 4"TH SHEET YIELD STRENGTH: 5. 7 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 73. 0 KSIORIENTATION- T-L SPECIMEN THK: 0. 040"STRESS RATIO: *0. 05 SPECIMEN WIDTH: 35.800" 7475
" FREQUENCY: 2. 00 HZ REFERENCES:747212 5ALCLAD)
AK (MPA NVrm) AK (MPA %/'m)4 10 40 100 4 10 40 100
I II I/ I I II ' tENVIRONMENT: R.0 4.1-1 NMET:3.5% NACL
* 10 1 10-110 10.1
4 I
_ __l- 10-2 __- 10.2
z .0
.10.5
10- - 106 - z
16 161| - 1. -6 1 -6 7 --__ _ __ _ _ __ _ _ __ _
1- 10 1-0
.7
106 -6
4 10 40 100 1 4 10 40 100
".:.--ENVIRONMENT: - o 10@ ENVIRONMENT: 1
"_10 2 - 10-
10.1 110.
io". "- 10"2 io 102
- lo.- ' - 10. 10-
o"10 1 E10 10 (
-6 -6
10 - 107 -
1 1 0 75 Eo74 107
.9l 10-6 I , I,± JJJ II ....I ..L.L.,II, - 10-8 I , .. ... LII I I ,II, -
1-"4 10 40 100 1 4 10 40 100:K::: ,/1 h K (KsI, T
, ... Figure 8.21.3.6
""" 8.21-23
. ,... * , ? - 3 -- .. -_ .. * . * . ,. ._ . . -
Downloaded from http://www.everyspec.com
a ,
TABLE 8.21.3.7
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.7INDICATING EFFECT
'- OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: R T ,LAB AIR
DELTA K DA/DN (10**- IN. /CYCLE)(KSI*IN**1/2)
" A B C D
R=+O. 00 R=+0. 33
" A: 9. 44 5. 53
DELTA K B: 5. 91 2. 96MIN C:
aD:
'6.00 3. 13
7.00 5. 168.00 7.399.00 9.7510.00 6.62 12.2
13.00 13.0 21.018.00 20.4 34.020.00 33.1 65.425.00 58.9 159.30.00 108.35.00 207.40.00 411.
A: 45. 47 " 905.DELTA K B: 27.65 : 261.
MAX C:D:
ROOT MEAN SQUARE 7. 85 17. 71
PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 2 5SUMMARY 1. 25-2 0(NP/NA) ">2 0
8.21-24
... i
" a . .'.,*''. ',". ." " " . , " " : . ". " - , , " ,. -. ,""""' " , .. ,,'.. " . ,"• ." . ""
Downloaded from http://www.everyspec.com
CONDITION/HT: TOl ALUM.FORM: 0. 09"TH SHEET YIELD STRENGTH: 73.8 KSI ALLOY
-4 SPECIMEN TYPE: CCP ULT. STRENGTH: 79. 8 KSI,.:4 ORIENTATION: L-T SPECIMEN THK: 0. 087- 0. 088"
FREQUENCY: 13.30 HZ SPECIMEN WIDTH: 4. 000" 7475ENVIRONMENT: R.T.. LAB AIR REFERENCES:8013 (ALCLAD)
AK (MPA -/M) AK (MPA Vr)4 10 40 100 4 10 40 100
I-'.'I I 100 I I
STRESS RATIO= -0. 00 10STRESS RATIO= .1-2 1-2 -010- 10 1
3 1103 11 /- io
-2 -2
1 - 10 1.
-4 164)U 1r
10 10. 3 . 10"3E10- 1E
10- 10--- -_ 10 .
100 - 1- -iIV7
-6- 1 V7
I I I - 10 I68 11
1 4 10 40 100 14 0 40 10ST ES ATO10 0 100 ,,, , I, ,,
STRESS RATIO STRESS RATIO= 100
162 16
101 10110-2 10 2 30
10. 3 1-
- 00- 10103 ,_.Z. _ _ _ _ _ _ __ _ _ _ _ 10. _E0 .
410CU 1 I- 104
_- 104
S -6 1-6
- 10 10.
____5 u 10
. 5
1 1
--' 07 -- 1 -7 -
10 - _ 101...- - 106 -- - 10.6
* 10"8 I i I - 10"8 I 1,JI 1 , I .I, ,I -1 4 10 40 100 1 4 10 40 100
A5K (KSI vrn) A5K (KSI V' )Figure 8.21.3.7
8.21-25
.. 2
Downloaded from http://www.everyspec.com
TABLE 8.21.3.8
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.8INDICATING EFFECT
OF STRESS RATIO-------------------------------- ---------------------------------------------------------
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T61ENVIRONMENT: R.T. ,LAB AIR
-----------------------------------------------------------------------------------------
-. DELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
A B C D
R=+0- 00 R=+0. 33
A: 8. 89 :5. 55DELTA K B: 6.05 2.97MIN C:
7.00 4.76E3 800. 6.749.00 : 5.85 8.7110.00 : 8.56 10.613.00 : 14.2 16.4 . ,
16.00 : 16.6 23.220.00 : 19.9 37.325.00 : 30.9 71.930.00 63.535.00 : 166.
A: 38.72 : 396.$ DELTA K B: 27.65 :105.
MAX c:D:
------------------------------------------------------------------------------------------------------
ROOT MEAN SQUARE 10. 46 12. 30PERCENT ERROR
- - - - - - - - - - - - - -- - - - - - - - - - - - - -- - - - - - - - - - - - -
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 2 54SUMMARY 1.25-20*(NP/NA) >2+0
8.21-26
Downloaded from http://www.everyspec.com
CONDITION/HT: T81 iFORM: 0. 09"TH SHEET YIELD STRENGTH: 68. 2 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 78. 6 KSIORIENTATION: T-L SPECIMEN THK: 0. 089- 0. 090"FREQUENCY: 13. 30 HZ SPECIMEN WIDTH: 4. 000" 7475
-...-,ENVIRONMENT: R.T.. LAB AIR REFERENCES:75213REFER. -- ES 8 2 (ALCLAD)
AK (MPA N/_m) AK (MPA -,/-M)4 10 40 100 4 10 40 100
G STRESS RATIO= 0. 00 10o STRESS RATIO := 0 33
101 10-2
0113 1003
102 10-2
10
1' -4 164
)
10c 103 E
z E
,0 1- o 10.5 z
V4* *1. - 0. 1660 s
V
10 6 10.
10-6 106
. "-.- -- 1 s 8 J 10s
10.7 10.7 --
10 R T 1
"= 106 " 1
10.1
io-'"3 - 1 I , 1 I. l i 1 02-
0)-o10 4 1040 100
%:" -10 2 04
4-::. 10
.3 I -
E 103 E01
-~6 165 110 10
• ..'.1 0- 52
1 6 7
1 07
10 10- Z
11.1 . 10- 6
• " 10 .L L L b . . A-L. I - 10. --J~ j jj j ~ j
10 40 100 1 4 10 40 100
4% AK (KSI -,/In) Figure 8.21.3.8AK(S rn)
*1 8.21-27
..-.. ...........................-,."..% %..' --.-
0.
-* - 1 - I , I I a I = I l -- 1 . k k - I i I. , .I , I .. I A ,~ X % . A I , i.l -
Downloaded from http://www.everyspec.com
P7
TABLE 3.21.3.9
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.9 INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)
CONDITION: T61ENVIRONMENT: R T., LAB AIR
" DELTA K DA/DN (10**-6 IN./CYCLE), . (KSI*IN**1/2)
A B C D
R= -0. 00 R=+0. 33
A: 8 (8 3.20DELTA K B: 5 54 1.99MIN C:
D:
6.00 2.657.00 4.348.00 6.299.00 3.44 8.4610.00 5.71 10.813.00 13.6 19.416.00 21.2 31.420.00 32.7 56.925.00 57.5 119.
. 30.00 115.35. 00 250.
* .. 40.00 420.
A: 43.48 664.',.,: DELTA K B: 29.02 216.
MAX C:' % D::
ROOT MEAN SQUARE 7. 63 6. 62PERCENT ERROR
LIFE 0.0-0.5PREDICTION 0. 5-0.
RATIO 0.8-1.25 2 2SUMARY 1. 25-2. 0(NP/NA) >2. 0
8.2-"
",,"-"8.21-28
Downloaded from http://www.everyspec.com
CONDITION/HT: TO11 ALUM.FORM: 0.10"TH SHEET YIELDSTRENGTH: 71.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 7. 8 KSIORIENTATION: L-T SPECIMEN THK: 0. 101- 0. 182"FREQUENCY: 13.38 SPECIMEN WIDTH: 4. 889" 7475
'." ENVIRONMENT: R.T., LAB AIR REFERENCES:8'213 (ALCLAD
&K (MPA V&) AK (MPA ./-m)4 10 40 100 4 10 40 100
STRESS RATIO = 18. 80 STRESS RATIO= 40 +3g-,, 102 _ _ 162 _ _0101 -101
1 0.11
. 1 -
10-2 -2
106 10.4
- E103 103 E
70 10 10 . z
10- 1 10
10-6 00 -6
1- 1 hL 10-5 .0-5I1 4 10 40 100 4 10 40 100I- 'II I I II ' I 'lIlI I II Ill 'I
STRESS RATIO = 1 STRESS RATIO = 10olO2 _- l2
10" 10 .3
310. 10.1
10-3 10-3
10" 1010
z 5-"T' lo 107 - z1.
10 10-
76
Z~l __o__ 5 o
100
-6, 6
., 1 106
010 8 1 I i ll I I I 1 1I 8 1
101 4 10 40 100 1 4 10 40 100
IS AK (KSI N/Tn) AK (KSI vt7)..Z, Figure 8.21.3.9
8.21-29
°o ,
F--.. . '.- -".-" . -'' ,-......; "-.'-, e. .:, .'''.,,.' ' ," - -" - """;' L,.% ' "- " "-
Downloaded from http://www.everyspec.com
TABLE 8. 21. 3.10
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELS
OF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE8.21.3.lo!NDICATING EFFECT
OF STRESS RATIO
MATERIAL. ALUMINUM 7475(ALCLAD)CONDITION: T161
* ENVIRONMENT: R T. , H. H.A.
* SDELTA K DA/DN (10**-6 IN. /CYCLE)(KSI*IN**1/2)
*A B3 C D
* R=+0. 05 R=+0. 25
A: 1065 6.8E37DELTA KB 6.57 7.22
*MIN CD.
9.00 :7.7410.00 :9. 1513.00 : 11.7 15.216.00 : 18.6 24.920.00 : 29.7 47.025.00 : 50.5 99.030.00 : 87.0 198.35.00 : 15ti.40.00 : 285.
A: 40.71 . 311.DELTA K 3: 31.95 257.
MAX c:D:
ROOT MEAN SQUARE 10. 30 B. 78PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 2 2SUMMARY 1. 25-2 0(NP/NA) >2. 0
8.2 -3
Downloaded from http://www.everyspec.com
CONDITION/HT: T781 ALUM" I
FORM: I. 04"TH SHEET YIELD STRENGTH: 59.8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 88. 7 KSIORIENTATION: L-T SPECIMEN THK: 0. 040"FREQUENCY: 2.00 HZ SPECIMEN WIDTH: 23. 980- 38. 000" 7475ENVIRONMENT: R. T. . H. H. A. REFERENCES:78212 CALCLAD
AK (MPA A AK (MPA /"m)
4 10 40 100 4 10 40 100® I I' 0° _ST , ,,, , ,, ,, --
STRESS RATIO = +0. 5 STRESS RATIO = ,. 25
102 102
0-1 10-1
10 3 103
1 0-2 10-2 _-
") 11 s 01104". > 11 0 04 .
o3 E
..- ,1 100 0.Z E
-5 5
1~0 -______- lo~~- z
110" 10
-6 106 106
10.8 1 6Il I I 1 1 1 0 8 I , I , I ,I ,I ,1_"- 4 10 40 100 - 4 0 40 100
10 . - __ - 102 -
S0101 -1
-7-
10 - 1_-2
1.. 1 10.3 -- 1-8:: 1 10"1.--1021
10 .O.L [4 - >
10
0 - 100 3•" i 10.1 10.1
- ________ ____ _ 05 _ - _______ __ I
10-z --5_ 10-5
-4 4c
-- -- 10- 10 .610 10E
10~ - 11o 5F-
V6
10- -110
10"8 1 1 1 i l l l I I I 1I l --1 10.8 1 1 1 , 1 1 1, , 1 1 1.4 10 40.10011 410 0 100
s AK (KSI V/W) Figure 8.21.3.10 AK (KSI */T)
*8.21-31
,-°*1. -
',, --- -. . . - ,-.:, --,;-.,.:.. ,.----;- '..- . - .,,, . - . - ,., - . - . . .,-- ,- --.-. .- ,-,-,-- ,-. - - -. .
Downloaded from http://www.everyspec.com
TABLE 8.21.3.11
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA. ASSOCIATED WITH FIGURE 8.21.3. 11IND iCAT ING EFFECT
OF STRESS RATIO
* MATERIAL: ALUMINUM 7475(ALCL-AD)CONDITION. T/61
*. ENVIRONMENT: R T 3.5%. NACL
* DELTA K .DA/DN (10**-6 IN. /CYCLE)* (KSI*IN~xl/2)
A B C D
R=+0. 05 R=-O. 25
*.A. 1A.~ 394.DELTA KB. 11. ?5 51.8MIN C:
D:
1300 59.418.00: 590 834. 520.00 86.1 126.
*25.00 124. 194.30.00 170.
A: 3327. 205.DELTA K B: 25.86 204.
MAX c:D:
ROOT MEAN SQUARE 2. 14 1. 22PERCENT ERROR
LIFE 0.0-0. 5PREDICTION 0. 5-0 8RATIO 0. 8-1.25 1 1SUMMARY 1.25-2.0(NP/NA) >:2, 0
8.21-32
Downloaded from http://www.everyspec.com
[7 . 7 7
'9" CONDITION/HT: T781 ALUM.FORM: 0. 04"TH SHEET YIELD STRENGTH: 59. 8 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 89.7 KSIORIENTATION: L-T SPECIMEN THK: 0. 040"FREQUENCY: 2.00 HZ SPECIMEN WIDTH: 35. 980- 38.000" 7475ENVIRONMENT: R. T. .3. 5% NACL REFERENCES:88212 (ALCLAD
AK (MPA N/-m) AK (MPA V/)4 10 40 100 4 10 40 100
STRESS RATIO = 0L 05 STRESS RATIO = 4.0. 25
1 2 10.2
- 101 101
13 1073 _
" -" .- 0 2 0 2 _"1 100 10 .
1_02L)
-1 4 -4 __10_-- __10.
__"U ., 10 -- 10 -
-3 i- 3 ES_10 0 10 E
z 5 _ __ _ 5__ __
_11- -
10 .o
-6 1-6 ___1_- 4>
-,-a. 10 3 c-u 1 .3 "
10 - 1011
10F 10
,.6 1 0
'I16 i0 " 1-I , I ,I I I I 0"8 -- I 1 II, l I I 1I I 1--
1 4 10 40 10 4 10 40 100
STRESS RATIO- 100 STRESS RATIO 7 100
-62 _ _ _ _ _ _ _ _ _ _ _ _ -102
10- l
163 ,o-3
101 -2
Fiu . 310
4 -4
- 10 -
10 1' EE
- - z
10 U41
10-
1 .6 -06
.'. %
1 4 10 40 100 1 4 10 40 100 j IAK (KSI v~r-h AK (KSI V /T)
Figure 8.21.3.11
* 8.21-33
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I -S
TABLE 8.21.3.12
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.12INDICATING EFFECT
OF STRESS RATIO
MATERIAL: ALUMINUM 7475(ALCLAD)COND11ION: 1761ENVIRONMENT: R. T. H. H. A.
DELTA K .DA/DN (10**-6 IN. /CYCLE)
A B3 C D
R~r10. 05 R=+0.25
*A. 26.64 : 67.6DELTA K B: 9.01 :7.60
MIN C:
10.00 :9.8913.00 :18.616.00 :30.820.00 :55.925.00 :113. -30.00 : 106. 225.35.00 : 172.
A: 37.33 : 216.DELTA K B: 32.68 :324.
MAX c:D:
ROOT MEAN SQUARE 1.83 8.21PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1 1SUMMARY 1. 25-2. 0(NP/NA) >2. 0
8.21-34
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CONDITION/HT: T761 ALUM. fFORM: 0. 04"TH SHEET YIELD STRENGTH: 59. 9 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 67. 3 KSI
.. ' ORIENTATION: T-L SPECIMEN THK: 0. 040- 0. 041"S FREQUENCY: 2. 00 HZ SPECIMEN WIDTH: 23. 940- 36. 020" 7475
ENVIRONMENT: R. T.. H. H. A. REFERENCES:66212 CALCLAO)
AK (MPA V/m) AK (MPA -/-m)
4 10 40 100 4 10 40 100G)®I 100
STRESS RATIO +0. 05 STRESS RATIO = +0. 25-O2 1O-2
10-- 10 1
10-1 10
S10-2 10 2
1°516
i:::0 -f---- 105 - 1°.10
10 3* ~ - E
Z _ ____ --~ _
z1 5
1 -6 - ___10 ._100 1010
10 "1
0.- 5- . 10 - 5
10 -7 10-
11 0-6 106
1 -- 10 40 0101 4 10 40 1001-B 1 4 10 -O
3
© STRESS RATIO--0 12 STRESSRATIO 100
10101
1 0 7 11 0b-2
- 10.2 -- 10.26
* .-.. -4--_
10-10 1 4 0 4 1 ~~10
-6 -6
10 100
0- 0-61 10
A" K (KSI "Tn) A K (KSI / ).. Figure 8.21.3.12 '
8.21-35
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TA13LE 8.21.3.13
FATIGUE CRACK PROWT14 RATES AT DEFINED LEVELS -
OF STRESS INTENSITY FACTOR
DA T A ASSOCIATED WITH FI-PURE 8.21.3.13I ND ICAT ING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475(ALCLAD)COND11ION: T761
DELTA K DA/DN (1Q**-6 IN. /CYCLE)(KSI*IN**1/2)A CD
E= R.I.H. H. A.
A: 49.02 496.* DELTA K B
MIN C:
50. 00 605.*60.00 2503.
70.00 6032.
A. 77.48 10735.DELTA K B.
MAX C:D:
ROOT MEAN SQUARE 6. 24PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8
RATIO 0.8-1.25 1SUMMARY 1. 25-2. 0(NP/NA) >2,.0
-8.21-3
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* CONDITION/HT: T71 AFORM: 0. 04"TH SHEET YIELD STRENGTH: 59.9 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 57. 3 KSIORIENTATION- T-L SPECIMEN THK. 0. 040"STRESS RATIO: *0. 05 SPECIMEN WIDTH: 12. 000" 7475
. FREQUENCY: 2. 00 HZ REFERENCESS6212 (ALCLAD)
&K (MPA v/'m) AK (MPA Vm)4 10 40 100 4 10 40 100
"I I) I rP I 1I l' ' 1 11 't l'l' ' "
EVNNMENT: R. 100 ENI 0NM-ENT:
10. 10.
- 10.1 10. -
10.2 io2-- 3 10. Ez"
> -4 -4z
,..-. - 10 -_
10-3 10- E
1o 0-1101001
io5.. 166 166
q., -- 10 5
o ' --7 -7 -__ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _16 - o6 6 O
10 10-10.8, 1 1 1 i I I I 1 -- A I , I 1 fil6 1 1 Il - .1
1 4 10 40 100 1 4 10 40 100
ENVIRONMENT: 10o ENVIRONMENT: 100)
102 102
._ 10 "1 10 -1
41 : 1 ul'3 -- 1 ja 3
, 10 . 2 - 2
1 " 1 -
.:. :.. 10.3 , 10. 3 E .
'z -5 - 10
5 -
4 1010 10 10 E
1 10 5 -- 10 - ,5
.. 10 10
10 1010
10"8 I LIl., I ,la W , 10.8 I , I 1 ,Ij, I -~ ~j"-
1 4 10 40 100 1 4 10 40 100AK (KSI N/m) AK (KSI v'Tn
Figure 8.21.3.13
.4, 8.21-37
. ."'. .. .... . .-.. -*. .- # . ',' . ' "A', ,... .. "" " ": - ." ' """"" ';' '-" "' "" '':
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TABLE 8.21.3.14
FATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
DATA ASSOCIATED WITH FIGURE 8.21.3.14INDICATING EFFECT
OF ENVIRONMENT
MATERIAL: ALUMINUM 7475(ALCLAD)CONDITION: T/61
DELTA K DA/DN (10**-8 IN. /CYCLE)(KSI*IN**1/2)
A B C D
E =: R. 1'. E= R. T.H. H A 3.5. NACL
A: 11.47 10.3DELTA K B: 14. 79 52. 5
MIN C.D:
13.00 13. 116.00 20.2 61.220.00 34.5 89.125.00 63. 5 128.30.00 111. 184.
35.00 185.40.00 297.
A: 40.45 • 309.DELTA K B: 32.79 : ;227.
MAX C:D:
ROOT MEAN SQUARE 4. 52 1.94PERCENT ERROR
LIFE 0. 0-0. 5PREDICTION 0. 5-0. 8RATIO 0.8-1.25 1 1SUMMARY 1.25-2.0(NP/NA) '2. 0
8.21-38
Downloaded from http://www.everyspec.com
CONDITION/HT: T7811-0. FORM: 0. 04"TH SHEET YIELD STRENGTH: 59. ! g ALLOY I
SPECIMEN TYPE: CCP ULT. STRENGTH: 87. 3 KSIORIENTATION- T-L SPECIMEN THK: 0. 040- 0. 041"STRESS RATIO: +0. 05 SPECIMEN WIDTH: 35. 990- 38. 000" 7475FREQUENCY: 2. 00 HZ REFERENCESS6212• -.. .- ALCLAD)
AK (MPA v/m) AK (MPA .V"/)4 10 40 100 4 10 40 100
ENVIRONMENT: R. 100 EV ENVIRONMINT: R.Y--H. H. A. 3. 5%1 NAC Z
100 10° 10- 10 -
1-4 164-" z "
. 10 3 1a3 _ - E
10 1 10
E
Z.-:'' - _ _ _ _- -o _
~10515-6 _-6 ______,____ ___-____o_
410- 101 4
1 - 1100
106 10.6
-8 - --S4 4 10 40 1001P = 4 10140 .100 __ 1 0.4 "
%!© -EVRNMN:~1'T 100 ENVIRONMENT: 10o
-62 _______ _______ -10-2
10
lly- 3 ....
10.1- 110.
3.-:._ -______ __________ -________ _______ _
"0 -- 1
O10 10 E
z E
-: ~ i-- "- 10"- - 10
,.0: 10-5 10.53
" 104 0- -
-6 -60 100
17 1-C710 - 10
-10.6 _10.6
... 6 ...L±..L_ 10. 5L _.Lz~ii o ._1.LLLiJ ... 10.5L.L.LL
1.;F. - 1-=_ 10 - 1 -1 0 -
- 1 4 10 40 100 1 4 10 40 100AK (KSI -,Figure 8.21.3.14 AK (KSI
8.21-39
%' :
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TAB3LE 8.2. .3.15
PATIGUE CRACK GROWTH RATES AT DEFINED LEVELSOF STRESS INTENSITY FACTOR
- - sDATA ASSOCIATED WITH FIGURE 8.21.3.15INDICATING EFFECT
OF STRESS RATIO
* MATERIAL. ALUMINUM '7475(ALCLAD)* CONDITION T761
* ENVIRONMENT- R T. *LAB AIR
- .DELTA K DA/DN (1Q**-6 IN. /CYCLE)
* - (KSI*INm*1/2)
A B3 C D
R-40. 00 R=+0. 33
A. '75 1.47DEi.rA K B 5.67 2.02
MIN C
6.00. 2.537.00 4.298300 1.79 6.279.00 3.43 8.361000 5.53 10. 513.00 130 18.016.00 206 28.320.00 31.0 52.025.00 490 li6.
A: 27.14 603DELTA K 3. 29.65 223.
MAX c.
ROOT MEAN SQUJARE 10. 96 6. 84PERCENT ERROR
LIFE 0.0-0. 5PREDICT[ON 0. 5-0.8
- .RATIO 0.8-1. 25 2 2SUMMARY 1. 25-2.0
7w(NP/NA) -2. 0
8.21-40
Downloaded from http://www.everyspec.com
* .CONDITION/HT: T781 YILSRNT:8. S ALUM.
FORM: 0. 09"TH SHEET YIELD STRENGTH: 8.0 KSI ALLOYSPECIMEN TYPE: CCP ULT. STRENGTH: 74. 5 KSIORIENTATION: T-L SPECIMEN THK: 0. 000"
- FREQUENCY: 13.30 HZ SPECIMEN WIDTH: 4. 000" 7475% ENVIRONMENT: R.T.. LAB AIR REFERENCES88213 7LL5. (ALCLAD)
AK (MPA Vm AK (MPA ./rr.)4 10 40 100 4 10 40 100
STRESS RATIO= -0.00 STRESS RATIO = *&. 3i 2 210-101lo lo.
13 o OF,10- 2 10-2
Z -.. -E
E :0 1 3 -- 10-E
1.4 1o4 70
.a zi6.,,,1-i06-
16 1600
" __ 10.1 - 10.1 "
.106 1o0- - 2
11 0 i l
10) F 10F0
- . ,-,, _ __ _ _ _ _ _ _ _ _ - in _
. 10 -- 1- -
- 1061 10.1
10"3 - 10-, -
1001 10
10 16 6
-831. . 4 1 0 40 10O0 1 4 1 0 40 1 0
S_... 100 10 o3
8.21- . 0,--
':<'10" lo(/ l"
dl 10. 6 6-=1- -,
.f 110 0.
.. •., 1 4 10 40 100 1 4 10 40 100,"''A ZK (K SI V/"7) A K (KSI V/ln)
' -','Figure 8.21.3.15
. .. ,8.21-41
Downloaded from http://www.everyspec.com
TABLE 8. 22
REFERENCES FOR THE ALUMINUM ALLOY DATA
51527 2014-T6 K,
Christian. J. L., and Hurlich, A., "Physical and MechanicalProperties of Pressure Vessel Materials for Application in aCryogenic Environment", ASD-TDR-62-258, Part 11, General Dynics/Astronautics (April 1963).
57210 7075-T7351 K,
636 Unknown
636 2219-T87 K,.7075-T6 K
Eichenberger, T. W., "Fracture Resistance Data Summary", ReportDA-20947, The Boeing Company (June 1962).
62308 2024-T3 Kc2024 (ALCLAD)-T3 Kc
* Anderson, W. E., "Fracture Toughness Data Summary", Report D6-9068,The Boeing Comapny (June 1962).
62309 7075-T6 K
Batch, E. J., and Edwards, W. T., "Evaluation of Tear Resistanceof 7079 Aluminu Alloys (Sheet Extrusions andt Forgings)", ReportSMN 86, Lockheed Aircraft Corporation, Marietta, Ga., (April 13, 1962).
62310 7075-T6 KcQ 707 5-T651 K,~
Anon., "Fracture Toughness Data Summary of 2000 and 7000 SeriesAlumimm Alloys", The Boeing Company, received from J. P. Butler(April 1965).
62311 2024(ALCLAD)-T3 K.7075(ALCLAD)-T6 K,
Gurin, P. J., "Crack Propagation Tests for Some Aluminum AlloyMaterials", LR 10498, Lockheed Aircraft corporation (February 1955).
65697 7075(ALCLAD)-T6 Kc
Brook, 0., "Thes Residual Strength of Aluminum Alloy Sheet SpecimensContaining Fatigue Cracks of Saw Cuts", N1LR-TR 4.2143, NationalAerospace Laboratory, Amterdam (March 1966).
66103 2219-T87 Kc
Ferguson, C. W., "Hypervelocity Impact Effects on Liquid Hydrogen-.-. Tanks". NASA CR-54852, Douglas Aircraft Company Inc. (March 1966).
*~8 z4-1'
Downloaded from http://www.everyspec.com
TABLE 8.22 (con't)
67821 2024-T3 K,
Walker, E. K., "A Study of the Influence of Geometry on the Strengthof Fatigue Cracked Panels", A.FTDL-TR-66-92, Northrop Norair (June 196
68908 2014-T6 Kc
Orange, T. W., "Fracture Toughness of Wide 2014-16 Aluminom Sheet at-320 F", NASA IN D-4017, Lewis Research Center (June 1967).
69759 2219-T87 Kc
Eituan, D. A., and Rave, R. A., "'Plane Stress Cyclic Flaw Growthof 2219-T87 Aluminum and SAl-Z.5Sn ELI Titanium Alloys at Roomand Cryogenic Temperatures", NASA CR-54956, Douglas Aircraft Company,Inc. (September 1966),
70485 2024(ALCLAD)-13 Kc7075(A.LCLAD)-T6 K,
Brook, D., "The Effect of Finite Specimen Width on the ResidualStrength of Light Alloy Sheet", 1K M.2152, National Aero- andAstronautical Research Institute, Amsterdam (September 1965).
70519 2024(ALCLAD)-T3 K,
Brook, D., "The Effect of the Sheet Thickness on the FractureToughens* of Cracked Sheet", NIL-TR M.2160, National AerospaceLaboratory, Amsterdam (January 1966).
75599 7075-T6 Kc
Hudson, C. M., "Effect of Stress Ratios on Facigue-Crack Growthin 7075-T6 and 2024-T3 Aluminum-Alloy Specimens', NASA TN D-5390,Langley Research Center (August 1969).
75787 7075-T651 Kjsce
Procter, R. P. M., and Paxton. H1. W., "Stress Corrosion of AluminumAlloy 7075-T651 in Organic Liquids", Journal of Materials, 4 (3)729-760 (September 1969).
76411 7079-T6 KIC
Weasel, E. T., at al., "Engineering Methods for the Design andSelection of Materials Against Fracture", Final Technical Report,Westinghouse Research Laboratories, Pittsburgh, PA, ContractDA-.30-069-AMC-602 (T) (June 24, 1966).
77140 7075-T73510 Kc7178-631 Ic
7178-T6510 KIc
Kaufman, J. G., Schilling. P. E., and Nordmark, G. E., 'FractureToughness, Fatigue and Corrosion Characteristics of X7080-T7E41 and7178-T651 Plate and 7075-T6510, 7075-T73510, X7080-T7E42, and7 178-16510 Extruded Sh.1pes", Report AFKL-TR-67-C-1521 (November 1969).
8.22-2
Downloaded from http://www.everyspec.com
6 .
TABLE 8.22 (con't)
77720 2014-T652 KiC2024-T852 KIc, da/dN7075-T7352 KIC, da/dN7079-T652 Kic, da/dN
Brownhill, D. J., et a!., "Mechanical Properties, Including FractureToughness and Fatigue, Corrosion Characteristics and Fatigue-CrackPropagation Rates of Stress-Relieved Aluminum Alloy Hand Forgings",Report AYIM-TR-70-10, Aluminum Company of America, Alcoa ResearchLaboratory, New Kensington, PA, Contract F33615-68-C-1385 (February 197(
78313 2024-T351 da/dt, Ktscc
2024-T4 da/dt2219-T37 da/dt7075-T651 da/dt7079-T651 da/dt, Klscc7175-T66 da/dt, KIscc
Hyatt, M. V., "Use of Precracked Specimens in Stress-CorrosionTesting of High-Strength Aluminum Alloys", Sumary Report D6-24466,The Boeing Company, Renton, Wash., ARPA Contract N00014-66-C-0365(November 1969).
78982 2024-T3 Kc
Fedderson, C. E., Simonen, F. A., Hulbert, L. E., and Hyler, W. S.,"An Experimental and Theoretical Investigation of Plane-StressFracture of 20Z4-T35L Alumir.um Alloy", HkSk CR-167b, BattelleMemorial Institute (September 1970).
79089 7075-T7351 Kc
Fedderson, C. E., and Hyler, W. S., "Fracture and Fatigue-CrackPropagation Characteristics of 7075-T7351 Aluminum Alloy Sheetand Plate Report No. G-8902, Battelle Memorial Institute, ColumbusLaboratories (March 1970).
80073 2021-T81 KIc, Ktscc7007-T6 KIscc
Schwartzberg, F. R., et al., "Cryogenic Alloy Screening", Report
NASA CR-72733, Martin Marietta Corporation, Denver, CO, ContractNAS 3-11203 (November 1970).
80104 2219-T87 Kc
Orange, T. W., Sullivan, T. L., and Calfo, F. D., "Fracture of ThinSections Containing Through and Part-Through Cracks", NASA TN0-6305, Lewis Research Center (April 1971).
82675 2014-T6 Kiscc2024-T352 Klscc2024-T852 Ktr , Kcc6061-T652 KIc, KIscc
7075-T7352 KIc, Klscc
Chu, H. P., and Wacker, G. A., "Fracture Toughness and StressCorrosion Properties of Aluminum Alloy Hand Forgings", Journal ofMaterials, 7 (1) 95-99 (March 1972).
8 2
, 8.22-3
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TABLE 8.22 (con't)
82878 2024-T351 Kic
Pearson, S., "The Effect of Mean Stress on Fatigue Crack Propagationin Half-Inch (12.7 m) Thick Specimens of Aluminum Alloys of Highand Low Fracture Toughness", Engineering Fracture Mechanics, 4 (1)9-24 (March 1972).
82879 2014-T6 KIC7075-T6 Ktc7075-T73 KIc7079-T6 KIc7080-T7 Krc
Moore, R. L., et al., "Fatigue and Fracture Characteristics ofAluminum Alloy Cylinders Under Internal Pressure". EngineeringFracture Mechanics, 4 (1) 51-63 (March 1972).
82880 2024-T851 KIc2219-T851 KIc6061-T651 KIC7075-T7351 KIc7079-T651 Kic
Nelson, F. G., et al., "The Effect of Specimen Size on the Resultsof Plane-Strain Fracture-Toughness Tests", Engineering FractureMechanics, 4 (1) 33-50 (March 1972).
33058 7175-T736 Kic
Jones, R. E., "Fracture Toughness and Fatigue Crack Growth Propertiesof 7175-T736 Aluminum Alloy Forging at Several Temperatures", ReportAFML-TR-72-1, University of Dayton Research Institute, Dayton, OH,
Contract F33615-71-C-1054 (February 1972).
83061 7049-T73 K1 , Klscc7049-T76 Kic
Jones, R. E., "Mechanical Properties of 7049-T73 and 7049-T76AluaLnm A.loy Kxtrusions at Several Temperatures", Report AFML-TR-72-2, University of Dayton Research Institute, Dayton, OH,Contract F33615-71-C-1054 (February 1972).
83242 7049-T73 KIc, KIscc7175-T736 KIc, KIscc
Harmsworth, C. L., "Evaluation of Landing Gears Fabricated from7175-T736 and 7049-T73 Aluminum Alloys", Report No. LA 72-22,Air Force Materials Laboratory, Wright-Patterson AFB, OH, (May 25, 1972)
83243 2024-T851 Kic
Gunderson, A. W., "Tensile, Fracture and Fatigue Properties of 2024-T851 Aluminum Thick Plate". Report No. LA 72-24, Air Force MaterialsLaboratory, Wright-Patterson AFB, OH, (May 26, 1972).
84284 2024-T351 da/dt7039-T64 da/dt7049-T73 da/dt7075-r651 da/dt7075-T7351 da/dt7079-T651 da/dt7175-T736 da/dt
Hyatt, M. V., "Use of Precracked Specimens in Stress CorrosionTesting of High Strength Aluminum Alloys", Corrosion. 26 (11), .487-503 (November 1970).
8.22-4
_ ': ,. , ...., ,., , > .. .% .. ,[ .. : , . > -- " .'. . - .... . . . . . . . .. . . . . . . ........-. '....-v.. .- '. ."."".-".. . .-. .-.. "
Downloaded from http://www.everyspec.com
TA&LE 8.22 (con't)
84286 7075 da/dt7075-T7351 da/dt
Hyatt, M. V., "Use of Precracked Specimens in Selecting HeatTreatments for Stress-Corrosion Resistance in High StrengthAluminum Alloys", Corrosion, 27 (1), 49-53 (January 1971).
84288 2014-T651 KIc2024-T851 Kic6061-T651 KIC7075-T651 KIc7079-T651 KIc
Nelson, F. G., and Kaufman, J. G., "Plane Strain Fracture Toughnessof Aluminum Alloys at Room and Subzero Temperatures", ASTM STp 496,American Society for Testing and Materials, Philadelphia, PA, (1971)
84306 2024-T851 KIc2124-T851 KIc2219-T851 KIc7049-T73 KIc707s-T651 Kic7075-T7351 KIc7075-T7651 KIc
Harrigan, M. J., "IL-1 Fracture Mechanics Data for Air Force HandbookUsage", Report TFD-72-501, North American Rockwell, Los Angeles DivisiorLos Angeles, CA, (April 21, 1972).
84319 2219-T87 KIc
Engstrom, W. L., "Determination of Design Allowable Properties,Fracture of 2219-T87 Aluminum Alloy", NASA CR-115388, The BoeingCompany, Aerospace Group, Seattle, Wash., Contract NAS 9-10364(March 1972).
84329 7079-T6 KiscC
Report of NRL Progress, Naval Reearch Laboratory, Washington, D.C.(October 1967).
84331 2020-T6512219-T851 Kiscc7005-T63 Kiscc7075-T6 Kiscc7075-T651 KIscc7075-T7351 Ktscc7079-T6 Ktscc
Report of NiL Progress, Naval Research Laboratory, Washington, D.C.(January 1968).
-. 84340 7075-T651 Kc.... 7075-T7351 Kc
Allen, F. C., "Effect of Thickness on the Fracture Toughnessof 7075 Alumimn in the T6 and T73 Conditions", ASTM ST 486,"Damage Tolerance in Aircraft Structures", p 16-38 (1971).
8.360 2024-T8S1 da/dN, Klscc7075-T651 K c da/., Ktscc "
7175-T736 a/dN, Klscc
McDonnell Aircraft Company, McDonnell Douglas Corporation, St. Louis,
MO, Phase B Test Program, Report MDC A0913 (May 18, 1971).
@ 8.22-5 '
Downloaded from http://www.everyspec.com
TABLE 8. 22 (can't)
84362 7050-T73651 Kl,,,7075-T7351 Ktscc
Dill, H. D.. and Rich, D. L., "Evaluation of Aluminum Plate Alloys7073-T7351, X705O-T73651 and 2021-T81", Repart No. MDC A1755,McDonnell Aircraft Company, McDonnell Douglas Corporation, St. Louis,4o, (may 30, 1972).
84363 2021-T81 KIc7050-T73651 KIC7075-T7351 KIc, da/dN
Rich, D. L., "MCAIR IRAD Data for Fracture Mechanics Engineeringand Design Data Handbook", with enclosures (1) materials Definition,(2) Mechanical Properties Test Data, (3) Plane Strain FractureToughness Test Data, and (4) Plane Strain Constant AmplitudeCrack Growth Teat Data, McDonnell Aircraft Company, McDonnell DouglasCorporation, St. Louis, MO (June 14, 1972).
84366 2024(ALCLAD)-T3 K,
Brook, D., "Static Tests on Cracked Panels of 2024-T3 AlcladSheet Materials From Different Manufacturers", NLR-TN M.2164,National Aerospace Laboratory, The Netherlands (November 1966).
84367 2024-T3 Kc7075-T6 Kc
McEvily, A. J., I11g. W., and Hardrath, H. F., "Static Strength ofAluminum-Alloy Specimens Containing Fatigue Cracks", NACA TN 3816,Langley Aeronautical Laboratories (October 1956).
84368 2124-T851 KIc7049-T73 KIc7175-T736 KIc7475-4'6l7475-T761 K7475(ALCLAD)-T61 K,
Babilom, C. F., et al., ' Mechanical Properties, Fracture Toughness,Fatigue, Enviroimeutal Fatigue Crack Growth Rates, and CorrosionCharacteristics of High-Toughness Aluminum Alloy Forgings, Sheetand Plate", Fifth Technical Management Report, Aluminum Companyof America, Alcoa Research Laboratories, New Kensington, PA,Contract F33615-71-C-1571 (August 1972).
85291 7O50-T7ES6 Kic
Deal, 0, L., and Mindlin, H., "Engineering Data on Mew AerospaceStructural Materials", Report AFML-T'R-72-196, Volume 1, Battelle,Columbus Laboratories, Columbus, OH, Contract F33615-71-C-1262(September 1972).
85363 7475-T61 da/dN7475-T6151 da/dN7475-T7351 da/dN7475-T761 da/dN
Cervay, R. R., "Engineering Design Data for Aluminum Alloy 7475in the T761 and T61 Condition', Report AF!Mg-TR-72-173, Universityof Dayton Research Institute, Dayton, OH, Contract P33615-71.-C-1054,(September 1972).
* 8.22-6
..........................................................d
Downloaded from http://www.everyspec.com
Z"- .7
TABLE 8.22 (con't)
85543 7075-T651 da/dt7079-T651 da/dt7079-T651(+50 HR at 320F) da/dt7178-T651 da/dt7178-T7651 da/dt
Speidel, M. 0., "Current Understanding of Stress Corrosion Crack
%- -- Growth in Aluminum Alloys", from The Theory of Stress CorrosionCracking in Alloys, the Proceedings of a Research EvaluationConference, J. C. Scully (Editor), Published by NATO ScientificAffairs Division, Brussels, Belgium (1971),
85631 2219-T87 KIc2219-T87 (-300F 100HR) KIc
Thatcher, C. S., "Fracture of Aluminum Alloy 2219-T87", ReportSD 72-SH-0129, Space Division, North American Rockwell. Los Angeles,CA, (November 1972).
85836 2024-T851 KIc 7075-T73651 Kic2024-T852 Kic 7075-T73511 Kic2219-T851 Kic 7075-T73652 Kic2219-T852 Kic 7075-T7651 KIc7049-T7352 KIc
"B-I Fracture Toughness Data (K (szb 1c)) - Rockwell International",Rockwell International Corporation, Los Angeles, CA, (April 24, 1973).
85837 2024-T851 da/dN 7050-T7351 da/dN2024-T852 da/dN 7050-T7351 da/dN2219-T851 da/dN 7075-T7651 da/dN2219-T8511 da/dN 7175-T73652 da/dN
. 2219-1852 da/dN
'. "Fracture Toughness Data Collection, Rockwell InternationalCorporation, from B-i Program", Rockwell International Corporation,Los Angeles, CA (April 1973).
85880 7050-T736 KIc7175-T736 KIc, da/dN
Garland, K., "Evaluation of X7050-T736 Die Forgings", Report 514-131.10, McDonnell Aircraft Company, McDonnell Douglas Corporation,St. Louis, MO, (February 20, 1973).
86088 7075-T6 da/dN7178-T6 da/dN
Hudson, C. M., and Newman, 1. C., Jr., "Effect of Specimen Thicknesson Fatigue-Crack-Growth Behavior and Fracture Toughness of 7075-T6,and 7178-T6 Aluminum Alloys", Report NASA TN D-7173, LangleyResearch Center, Hampton, VA (April 1973).
86210 2024-T852 K~c7075-T73511 KIc
O 7075-T7651 Kic7075-T76511 KIc
"Rockwell International, B-1 Fracture Toughness Data on Titaniumand Aluminum Alloys of June 4, 1973", Rockwell International, LosAngeles, CA, (June 4, 1973).
8.22-7
"- '.': ,' ., - " "--' .''- " "..' ;:'' : -- " ', "" ' -" '" ", ,' '- ,' ' .' -' ', . ' " - , . ' ' : " , ' " " "
Downloaded from http://www.everyspec.com
- ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 7 7r' 77rWr' r*-~v* w**** W 7~7 ~T.-'
'0;
TABLE 8.22 (con't)
36212 2024-T3 da/dN7050-T736 KIc, Kiscc7075-T76511 KIc, Klscc7475-T61 da/dN7475-T761 da/dN, da/dt7475(ALCLAD)-T61 da/dN7475(ALCLAD)-T761 da/dN
McCarty, J. E., et al., "Materials Fracture Data From the Advanced. Metallic Structures: Cargo Fuselage Design for Improved Cost,
Weight and Integriy", The Bceing Company, Seattle, Washington,Contract F33615-72-C-1893 (June 15, 1973).
86213 2014-T6 KIc, Kc, da/dN 7075-T6510 Kjc2014-T61 KIC 7075-T6511 KIc2014-T611 Kic 7075-T73 Kjc, Kc2014-T651 KIc, Kc 7075-T7351 Kjc, Kc2020-T6 Kic, Kc 7075-T73510 Kjc2020-T651 KIc, Kc, da/dN 7075-T73511 Klc2020(ALCLAD)-T6 Kc 7075-T7352 Ktc2021-T8151 KIc 7075-T76 KIc. Kc2024-T3 Kc, da/dN 7075-T7651 KIc. Kc2024-T351 KIc, Kc 7075-T7651 (SP) Kjc2024-T36 Kc7075-T76511 K12024-T6 Kc 7075(ALCLAD)-T6 da dN2024-T81 Kc 7075(ALCLAD)-T7651 KIc2024-T851 KIc, Kc 7079-T6 Kic, Kc2024-T852 KIc 7079-T651 Klc, Kc2024-T86 Kc 7079-T652 Kic
2024(ALCLAD)-r3 Kc, da/dN 7079(ALCLAD)-T6 Kc2024(ALCLAD)-T86 Kc 7080-T7 KIc2124-T351(417) KIc 7175-T66 K2124-T851 Kc 7175-T73 Klc2124-T851 (SP) KIc 7175-T7352 Ktc2124-T851 (417) KIc 7175-T736 Ktc2214-T651 KIc 7175-T73652 KIc2214-T651 (417) KIc 7178-T6 Kc2219-481 Kc 7178-T651 KIc, Kc2219-T851 K~c, Kc 7178-T7651 KIc, Kc, da,2219-T852 KIc 7178-T76510 KIc, da/dN2219-T87 KIc, Kc 7178-T76511 KIc2618-T61 Kc 7178(ALCLAD)-T6 Kc2618-T651 KIc 7178(ALCLAD)-T76 Kc6061-T6 Kc 7475-T6 Kjc6061-T651 KIc, Kc 7475-T61 Kc7001-T75 KIc, Kc 7475-T651 Kjc, da/dN7005-T6 K 7475-T651 (SP) Kic7005-r6351 KIc, Kc 7475-T73 Kjc7049-T73 KEc 7475-T7351 KIc7049-T7351 KIc 7475-T7351 (SP) K7049-T7352 Kic 7475-T736 KIc7050-T6 da/dN 7475-T76 da/dN7050-T7352 KIc 7475-T761 Kc7050-T736 Kic 7475-T7651 KIc7050-T73651 K1c 7475-T7651 (SP) Krc7050-T73652 KIc 7475(ALCLAD)-T73 Kc7050-T76 da/dH 7475(ALCLAD)-T731 Kc7050-T76511 KTc 7475(ALCLAD)-T761 Kc, da/dN7075-T6 Kc, da/dN 7475(ALCLAD)-T761 Kc, da/dN7075-T651 Kc, Kc
Wygonik, R. H., "Compilation of Fracture Mechanics Data". AluminumCompany of America, Alcoa Research Laboratories, New Kensington, PA, -'.
Subcontract on F33615-73-C-5051 (June 12, 1973).
8.22-8
%-- .-, .. . . . .. . . . .- - . .. . . . . . . . . ...,2 , . : h , , ,. .,." .°.,.o''' .- '' ' , . ' v '-. :," .,,"."-':< ,". , ,, .- ,.", .- , ." .' " -" .' '
Downloaded from http://www.everyspec.com
TABLE 8.22 (can't)
86429 2024-T851 Kilc7050-T73651 Ktc
"Fracture Toughness Data", Progress Report on Materials Test Program,General Dynamics Corporation, Fort Worth Division, Fort WJorth, TX,Contract F33615-72-C-2149 (Received July 6, 1973).
86493 7050-T73651
Deal, 0. L., Ruff, P. E., and Mindlin, H., "Engineering Data on N4ewAerospace Structural Materials", Report APML-TR-73-114, Battelle-Columbus Laboratiries, Columbus, OH, Contract F33615-72-C-1280(June 1973).
86574 7050-T73651 KIC% 7050-T7651 Kic
7475-T7651 KIC
Figge, F. A., and Wells, R. R., "Advanced Metallic Structure: AirSuperiority Fighter-Wing Design for Improved Cost, Weight and Integrit-Report No. AFFDL-TR-73-52, Volume 111, Northrop Corporation, AircraftDivision, Hawthorne, CA, Contract F33615-72-C-1891 (June 1973),with original data for da/dl tests.
%86575 2024-T81 da/dN7075-T76 da/dN
"Rockwell International, B-1 Program, da/dN Data, Center-CrackedTension Specimens", Lockheed California Company. Burbank, CA,Report LR25152 (Received July 1973) (Memo from E. W. Cawthornedated July 10, 1973).
86688 2014-T651 KIscc 2219-T87 Kjc, Kjscc2021-T81 KIscc 6061-T651 KIC, KIscc2024-T351 Klscc 7075-T651 KISCc2024-T851 Klscc 7075-T7351 Klscc2219-T37 KIscc 7079-T651 Klscc
Sprovls, 0. 0., et al., "Evaluation of Stress-Corrosion CrackingSusceptibility Using Fracture Mechanics Techniques", Final Report,Part 1, Aluminum Company of America, Alcoa Technical Center, AlcoaCenter, PA, Contract NAS8-21487 (May 31, 1973).
86734 2014-T6 da/dN 2618-T81 da/dN2024-T3 Kc 7075-T6 KC2024-T351 Kc 7075(ALCLAD)-T6 KC2024-T4 Kc 7079-T6 da/dN2024-T81 Kc, da/dN 7079-T651 da/dN2024(ALCI.AD)-T3 Kc
Smith, S. H., "Fracture Mechanics Application to Materials E-jaluationand Selection for Aircraft Structure and Fracture Analysis", ReportNo. D6-17756, The Boeing Company, Commercial Airplane Division,Renton, Washington (July 19. 1966).
8.22-9
Downloaded from http://www.everyspec.com
TABLE 8.22 (con' t)
86842 2124-T851 da/dN7049-T73 da/dN7175-T736 da/dN7475-T61 Kc, da/dN7475-T761 Kc, da/dN7475(ALCLAD)-T61 Kc
Babilon, C. E., at al., 'Mechanical Properties, Fracture Toughness.Fatigue, Environmental Fatigue Crack Growth Rates and CorrosionCharacteristics of High-Toughness Aluminum Alloy Forgings, Sheetand Plate", Report AFML-TR-73-83, Alcoa Research Laboratories,New Kensington, PA, Contract F33615-71-C-1571 (April 1973).
86844 7050-T7351 da/dN7050-T73651 da/dN7050-T7651 da/dN
"Crack Growth Rate Data Generated Under USAF Contract F33615-72-C-2165", Lockheed Aircraft Corporation, Lockheed-Georgia Company,Marietta, GA, Contract F33615-72-C-2165, Data sheets received fromAFFDL August 13, 1973.
87398 2024-T3 da/dN
Ellis, R., "Fracture Mechanics Studies of Fatigue Crack Propagationin 2024 Aluminum Alloy Panels Containing Transverse Slits", ReportNo. ARL/SM 379, Australian Defence Scientific Service, AeronauticalResearch Laboratories, Melbourne, Australia, Department of Supply(August 1972).
88140 7075-T651 KIc , da/dN7475-T651 da/dN
Hall, L. R., Finger, R. W., and Spurr, W. F., "Corrosion FatigueCrack Growth in Aircraft Structural Materials", Report AFML-TR-73-204, Boeing Aerospace Company, Seattle, WA, Contract AF33615-71-C-1687'(September 1973),
88174 7050-T73651 KIc, da/dN
Jones, R. Z., abd Fudge, K, A., "Engineering Design Data forAlumina Alloy 7050-T73651 Plate", Report AFML-TR-73-269, Univeristyof Dayton Research Institute, Dayton, OH, Contract F33615-72-C-1282(November 1973), with supplementary data supplied by Russell R.Carvay on March 20, 1974.
88186 7050-T7351 Kic
"Selected Pages from Materials Section of Final Report on Cargo/Tanker Phase IA (AFFDL-TR-73-51) and Lockheed Report SMN 378",Sumary Report, Lockheed-Georgia Company, Marietta, GA, ContractF33615-72-C-2165 (February 8, 1974).
88468 2219-T851 da/dN
Bell, P. D., "Data Sheets for Constant Amplitude Crack GrowthData Generated by Grumman Aerospace Corporation for 2219-T851Aluminum and Mill Annealed 6A1-4V Titanium Alloy Plate", in letterto J. E. Campbell from Grumman Aerospace Corporation, Bethpage,NJ, Contract F33615-72-C-1744 (March 15, 1974).
6
8.22-10
_. . . . .... ..... . . . . . . . .. .- . . . . . . . . . . . . . . . . . . .. . ... .. .. .
Downloaded from http://www.everyspec.com
.
TABLE 8.22 (con't)
88578 2024-T861 da/dN
Demonet, R. J., "2024-T861 Aluminum Fracture Mechanics Test Data",Report LTR 9991-4076, Space Division, Rockwell International(January 1974).
88579 2024-T851 da/dN 7075-T73511 da/dN2024-T852 da/dN 7075-T7352 da/dN2219-T851 da/dN 7075-T7651 da/dN7050-T73 da/dN 7075-T76511 da/dN7050-T73651 da/dN 7175-T73652 da/dN7075-T7351 da/dN
"3-1 Program da/d4 Data for Aluminum Alloys", Rockwell InternationalCorporation. memorandum to H. D. Moran from E. W. Cawthorne, Battelle'sColumbus Laboratories (April 3, 1974).
88700 6061-T6 KIscc
Gilbreath, W. P., and Adamson, M. J., "The Stress Corrosion Susceptibilityof Several Alloys in Hydrazine Fuels", NASA Technical Note, Report NASATN D-7604, Ames Research Center, Moffett Field, CA (February 1974).
88742 2124-T851 KIc
Fudge, K. A., and Jones, R. E., "Engineering Design Data forAlu.mi m Alloy 2124-T851 Thick Plate", Report AFMf.-TR-73-310,University of Dayton Research Institute, Dayton, OH, ContractF33615-72-C-1282 (January 1974).
90011 2024-T351 KiC2024-T851 KIc2024-T852 KIC2219-T851 KIc7075-T7651 KIc
"Rockwell International, B-1 Program Fracture Toughness Data ofAugust 5, 1974", with memorandum from E. W. Cavthorne to H. D. doranof Battelle's Columbus Laboratories, (August 5, 1974).
90981 2024-T851 KC . da/dN
Krupp, W. Z., Winow, F. T., Pettit, D. E., and Hoeppner, D. W.,Data Sheets for Final Report on "InvestigSation of the Effects ofStress and Chemical Environments on the Prediction of Fracture in
'.. Aircraft Structural Materials", Rye Canyon Research Laboratory,Lockheed-Californ a Company, Burbank, CA, Contract F33615-71-C-1688,data sheets received October 21, 1974.
91123 7050-T736 Kic7075-T76511 KIc
McCarty, J. E., *t al., "Advanced metallic Structure: CargoFuselage Design for Improved Cost, Weight, and Integrity", ReportAFFL-T-73-53, Boeing Coercial Airplane Company, Seattle, WA.Contract F33615-72-C-1893 (June 1973).
91332 7050-T736 da/dN7050-T73651 da/dN7050-T7651 da/dN7475-T651 da/dN7475-T7651 da/dN
Wells, R. R., "Neow Alloys for Advanced Metallic Fighter-Win% Structures",Northrop Corporation, Aircraft Division, Hawthorne, CA, AlAA/ASME/SA15th Structures, Structural Dynamics and Materials Conference,
-P " Las Vegas, NV (April 17-19, 1974)
8.22-11
Downloaded from http://www.everyspec.com
TABLE 8.22 (con't)
ALOOI 2048-T851 Krc, da/dN2219-T852 KIc, da/dN7050-T7351 KIc, da/dN7475-T7351 da/dN
Brownhill, D. G., et al., "Exploratory Development for Design Dataon Structural Aluminum Alloys in Representative Aircraft Environments",Alcoa Laboratories. Alcoa Center, PA, Contract No. F33615-74-C-5089,Report No. AFML-TR-77-102, July 1977.
-LOOZ
2020-T651 da/dN7075-T6510 da/dN7075-T73510 da/dN7475-T651 da/dN
Data Sheets Containing Fatigue-Crack Growth Rate Data Near theThreshold on Aluminum Alloys 2020. 2024, and 7475, sent fromR. J. Bucci, Aluminum Company of America, ATC, February 1982.
ALO03 7475-T651 da/dN
FCGR Data Sheets for Aluminum Alloy 7475-T651 Plate, Received fromR. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALO04 7050-T76511 da/dN
FCGR Data Sheets on Aluminum Alloy 7050-T76511 and T73511, Receivedfrom R. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALO05 7075-T651 da/dN t.7075-T6510 da/l7075-T7351 da/dN7075-T73510 da/dN
FCGR Data Sheets on Aluminum Alloy 7075- Conditions T651, T6510,T7351, T73510, Plates, Bars, and Extrusions; Received from R. J.Bucci, Aluminum Company of America, Alcoa Laboratories, August 1982.
kL006 7050-T73511 da/dN
FCGR Data Sheets on Aluminum Alloy 7050-T73511 Extrusions, Receivedfrom R. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALOO7 7050-T7351X da/dN
FCGR Data Sheets on Aluminum Alloy 7050-T7351X Extrusions, Receivedfrom R. 1. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALOO8 7050-T7651X da/dN
FCGR Data Sheets on Aluminum Alloy 7050-T7651X Extrusions, Receivedfrom R. J. Bucci, Aluminum Company of America, Alcoa Laboratories.August 1982.
8.22-12
" " " - " -." " .*J*-*.*. "".*" " " - * " ""' '"°
"""' ""...""" - -".."-"'. ".".".""" "-'
. -" ""'"-. ,"
Downloaded from http://www.everyspec.com
TABLE 8.22 (con't)
ALO09 7475-T7351 da/dN
FCGR Data Sheets on Aluminum Alloy 7475-T7351 Place, Received fromR. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALOIO 2024-T351 da/dN
FCGR Data Sheets on Aluminum Alloy 2024-T351 Plate, Received fromR. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
S-ALOIl 2324,-T39 da/dN
FCGR Data Sheets on Aluminum Alloy 2324-T39 Plate, Received FromR. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALOI2 7050(ALCLAD)-T76 da/dN
FCCR Data Sheets on Aluminum Alloy 7050-T76 (ALCLAD), Receivedfrom R. J. Bucci, Aluminum Company ol America, Alcoa Laboratories,August 1982.
ALOI3 7050-T73651 da/dN
FCCR Data Sheets on Aluminum Alloy 7050-T73651 Plate, Received%- from R. J. Bucci, Aluminum Company of America, Alcoa Laboratories,
August 1982..-
AL014 7150-T651 da/dN
FCGR Data Sheets on Aluminum Alloy 7150-T651 Plate, Received from.* aR. J. Bucci, Aluminum Company of America, Alcoa Laboratories,August 1982.
ALOI5 7050-T73651 KIc.' 7050-T73652 KIC, da/dN
7050-T76 da/dN
FCCR Data Sheets on Aluminum Alloy 7050-T73651 Plate and 7050-T73652Forging, Received from R. J. Bucci, Aluminum Company of America,Alcoa Laboratories, August 1982.
BLOOI 7010-T73651 KIc, Klscc
Deel, 0., "Engineering Data for New Aerospace Materials", Battelle'sColumbus Laboratories, Columbus, OH, Contract No. F33615-78-C-5040,Report No. AFWAL-TR-80-4103, July 1980.
BLO02 2124-T851 da/dN7075-T7351 da/dN7475-T7351 da/dN
Ruff, P. E., and Smith, S. H., "Development of Mil-Hdbk-5 DesignAllowable Properties and Fatigue Crack-Propagation Data for Several
* * Aerospace Materials", Battelle's Columbus Laboratories, Columbus, OH,*. Contract No. F33615-75-C-5063, Report No. AF.M-TR-77-162, October 1977.
8.22-13
V, ',.' '",.??._" " " "' """"" .. "' """"
Downloaded from http://www.everyspec.com
".4'., rABLE 8.22 (con't)
BWOO1 2014-T6 da/dN2024-T3511 da/dN7075-T6 da/dN7075-T6511 da/dN7079-T6 da/dN717 8-T6 da/dN
Horsley, J. J., and Harris, C. E., 'Durability and Damage ToleranceAssessment (DADTA) of B-52 G/H Structures, Task I, Damage ToleranceAssessment Final Report", Boeing Company, Wichita, KS, Contract No.F,%601079-C-1515, Document No. D3-11560-3 June 1980.
BWO02 2024-T351 da/dN7075-T6 da/dN
.-.... 7178-T6 da/dN
Lambert, G., Mecham, P., and Mah, T., "Durability and DamageTolerance Assessment (DADTA) of B-52 C/H Structures, Task III,Individual Airplane Crack Growth Tracking Program", Boeing Company,Wichita, KS, Contract No. F34601-79-C-2258, Document No. D3-11560-6,November 1981.
BWOO5 2024-T3511 da/dN
Watson, K. R., "Weapons Bay Durability and Damage Tolerancev. . Analysis", The Boeing Company, Wichita, KS, Contract No. F33657-78-C-
0108-PZ0036, Document No. D361-40041-1, September 1980.
BWO07 2024-T3511 KIc
Hananel, A., Watson, K., Knoff, K., and Sherrick, G., "FractureMechanics Testing of B-52/CHI Materials", Final Test Report, TheBoeing Company, Wichita, KS, Contract No. F33657-78-C-0108-PZ0036,Document No. D361-11197-1, December 1978.
DA001 2024-T351 R-curve, da/dN7075-T6511 R-curve, da/dN
7475-T7651 R-curve, da/dN
Fatigue Crack Growth Rate Data Sheets on Aluminum Alloys 2024, 7010,7050, 7075 and 7475, Stainless Steel Alloys 17-4PH and 17-7PH,and Alloy Steels 4340, A286, H-1l, H7-180 and 12-9-2, Sent fromPaul Abelkis, Douglas Aircraft Company, McDonnell Douglas Corporation,Long Beach, CA, March 1982.
EFMOI 2024-T3 da/dN7075(ALCLAD)-T6 da/dN
Mackay, T. L., "Fatigue Crack Propagation Rate at Low Delta Kof Two Aluminum Sheet Alloys - 2024-T3 and 7075-T6", EngineeringFracture Mechanics, Volume I, p 753-761, 1979.
FROOI 2024-T3 da/dN2024-T351 da/dN
Fatigue Crack Growth Rate Data on 2024 Aluminum Sheet and Plate,Data sent from J. Arrighi, Fairchild Republic Company, Farmingdale,
-. NY, March 4, 1982.
DO01 Kaarlela, W. T., and Nordquist, F. C., "Precision Aluminum ForgingsTest Program for the F-16 Airplane", General Dynamics, Fort WorthDivision, Report No. 16 PR678, April 1978.es
.e
.'-
,.-, . . . .'. -- --.- , . . < *.... .. .. ,. . -,. . . -, .-, - . - . .. .• . . : ' - , ., '- '' . ' . % = ' , , , , , --. , , ,
Downloaded from http://www.everyspec.com
. . w - - c .W W .* . ....* .,---w ; ..
.
TABLE 8.22 (can't)
*6 DO02 71175-T7354 da/dN
Kaarlela, W. T.. and Nordquist, F. C., "Crack Growth Rate (da/dN)Characteristics of 7175-T7354 Bulkhead Forgings", General Dynamics,Fort Worth Division, Report No. 16 PR721, June 1977,
GDO03 21.24-T851 KIc, da/dN
Kaarlela, W, T., "2124-T851 Metals Allowables Testing', General
D04 Dynamics, Fort Worth Division, Report 16 PR850, October 1978.G04 2024-T62 da/dN
2024-T81 da/dN
Wolnaski, Z. R., "2024-T81 and -T62 0.125-Inch Sheet Metal Allowables",General Dymanics, Fort Worth Division, Report No. 16 PR853. October 1978.
GDO05 2024-T62 Kc, R-curve2024-T81 Kc, R-curve7475-T7351 Kc, R-curve7475-T7651 Kc, R-curze
% Margolis, W. S., and Hordquist, F. C., "Plane Stress FractureToughness (Kc) of Aluminum Alloy 7475- one R~alf Inch Plate Tempers-17651 and -T7351 and of Aluminum Alloy 2024 - One Eighth Inch Sheet-T81 and -T62 Temper", General Dynamics, Fort Worth Division, TX,Report No. 16 PP.889. February 1978.
GDO06 7475-T7351 KICk da/dN, K1~c7475-T7651 da/dN, Ksc
Margolis, W. S., "P-16 Material Test Allowables for Aluminum Alloy7475, 3.0" Plate -17351 Temper and 0.5" Plate (92" Width) -T7651Temper and -T7351 Temper", General Dynamics, Fort Worth Division,Report No. 16 PP.926, April 1978.
CD008 7075-T73 da/d4
Margolis, W. S., "F-16 Material Test Allowable. of Aluminum AlloyForgings 7075-T73 and 7049-T73", General Dynamics, Fort WorthDivision, Report No. 16 PR956, July 1978,
G0O1I 2124-T851 KIc, c -uv7475-T7351 Kc, R-curve
Margolis, W. S., "Plane Stress (Kc) Fracture Toughness of ThinElements from Thick Plate of 2124-T851 and 7475-T7351 AluminumAlloys", General Dynamics, Fort Worth Division, Report No. 16 PP.1287,October 1979.
LG0OI 7175-T73511 KIc, Kc, Ktscc
Carter, F. J. et al., "C-5A wing Modification Program - MaterialCharacterization Program -7175-T73511 Extrusions Final Report".Locktheed-Georgia Company, Marietta, GA, Contract N(,. F33657-75-
- C-0178, Report No. LG75ER 0186-2. September 1977.
LG002 7050(ALCIAD)T7 Kc7475(ALCLAD)-T61 Kc
% Fuselage Materials Tests -Kc Data on Aluminum 7050-176 and7475-T61 Materials - sent from E. J. Batch, Lockheed GeorgiaCompany, Marietta. GA. October 1982.
.N 8.22-15
Downloaded from http://www.everyspec.com
TABLE 8.22 (con't)
LG003 7175-T73511 KIc7175-T76511 KIc
Wygonik, R. H., "Evaluation of the R-curve for Fracture :oughness.4' % Quality Assurance Testing of Thin 7175 Aluminum Extrusions", Alcoa
Laboratories, Alcoa Center, PA, for Lockheed-Georgia, Contract
PO-RW18554, December 1981.
MAOO2 2124-T851 KlC, da/dN7175-T73652 Kic, da/dN
Fracture Toughness of Ti-6A1-4V Plate and Forging, Aluminum 2124-T851 Plate and 7175-T73652 Forging and Fatigue Crack Growth Ratefor Ti-6A1-4V Plate and Forging, Ti-6AI-6V-2Sn Extrusion, Aluminum2124-TS51 Place and Aluminum 7175-T73652 Forging, Data submittedby D. L. Rich of McDonnell Aircraft Company, St. Louis, Me,Attachment #2, Received March 12, 1982.
MA005 7050-T7651 da/dN, Kacc7075-T7351 KIc, da/dN, Kiscc
7175-T73652 Kic, da/dN, KIScc7475-T7351 KIc, KIScc
Garland, K., and Krieg, J. F., "Final Report - Basic FractureData for F-18 Materials", McDonnell Aircraft Company, St. Lous, 'l,Report No. 3 NA-66-7KW, Attachment #5, March 1977.
MA006 7075-T7351 da/dN
Garland, K., and Krieg, J. F., "Evaluation of the Effect of MaterialCyclic Softening and Hardening on Crack Initiation Life and CrackGrowth, with and without Overloads, as a Function of Stress Ratio", '-
McDonnell Aircraft Comapny, St. Louis, MO, April 1978.
MAO07 7049-T7351 da/dN7075-T6 da/dN
Garland, K., and Krieg, J. F., "Enviroment Load Interaction Effectson Crack Growth", McDonnell Aircraft Company, St. Louis, MO,Report No. 703-116, June 1978.
"% MAO08 7075-T6 da/dN7075-T651 da/dN
Garland, K., and Krieg, J. F., "Evaluation of Stress Level ZEfectsUnder Plane Stress and Plane Strain Conditions", McDonnell AircraftCompany, St. Louis, MC, Report No. TR 301-346, TM 256-5597. July 1979,
MAO09 7075-T6 da/dN- '- 7075-T651 da/dN
.. Garland, K., and Krieg, J. F., "Evaluation of Crack Growth Gagesfor Service Life Tracking Program", McDonnell Aircraft Company, St.Louis, MO, Report No. TR 703-325, TM 256-5298, December 1978.
MACUo 7075-T65 Kic, da/dN7075-T7352 Kic, da/dN7079-T6 da/dN7178-T651 da/dN
"Final Report, F/RF-4C/D Damage Tolerance and Life AssessmentStudy - Volume IT", McDonnell Aircraft Company, St. Louis, MO,Contract No. AFSC F33657-73-A-0062, Report No. MDC A2883, February 197
@1 8.22-16
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. .,..
ABLE 8.22 (con't)
MAOL 05-T651 K, da/dN7075-T7352 K, da/dN7178-T76 dadN
"Model F-4E Slatted Airplane Fatigue and Damage Tolerance Assessment,Volume [1", McDonnell Aircraft Company, St. Lauis, MO, Contract No.F33657-73-A-0004-OO15, Report No. MDC A3390, July 1975.
MDO0L 2219-T851 KIc2219-T852 Kic
Davis, R. J,, and Rowe, R. A., "Mechanical Properties of SRBRolled-Ring Forgings and Large Hand Forgings", McDonnell DouglasAstronautics Company, Huntington Beach, CA, Report MDC G8545, June 1980.
CO1 2024-T851 Ktc 7075-T7651 KIc2024-T8510 KIc 7075(ALCLAD)-T7651 Kic2124-T851 KIc 7079-T651 KIc2219-T851 KiC 7079-T851 KIc2419-T851 KIc 7175-T76511 KIc7075-T651 KIc 7178-T7651 KIc7075-T6510 Kic 7475-T651 K1 c7075-T6511 K 7475-T7351 KIc7075-T7351 KIC
Collis, S. F., et al., "Fracture Toughness Data Bank for AluminumAlloy Mill Products", Aluminum Company of America, Alcoa Laboratories,Alcoa Center, PA, Data Submitted by Alcoa, Reynolds Metals, KaiserAluminum, and Martin Marietta Aluminum and Prepared for MetalProperties council, Inc., August 1979.
MROO1 7075-7651 da/dN7075-T7351 Kic, da/dNX7090-T7E69 da/dN
X7091-T7E70 da/dN
"Damage Tolerant Test Data on X7090, X7091, and 7075 Aluminum",Materials Research Laboratory, Inc., Glenwood, IL, Under Contract
to ARBADCOM, (DAAKIO-79-C-0278), Received June 1982.
NCOOI 7050-T736 KIc7050-T73651 KI7149-T73511 KIc
Plane Strain Fracture Toughness Data Sets on Aluminum, Steel andTitanium Alloys, Data Sent from P. G. Porter of Northrop Corporation,March 1, 1982.
NCOO2 7050-T736 da/dN7050-T73651 da/dN7075-T7351 da/dN7149-T73511 da/dN
Fatigue Crack Growth Rate Data on Aluminum, Steel and Titanium
Alloys, Data Sent From P. G. Porter of Northrop Corporation,March 1, 1982.
4CO03 2024-T851 KI. , da/dN
2124-T851 KIc, da/dN7050-T73651 KIc7075-T7351 KIc, da/dN
Chanani, G. R., et al., "Methodology for Evaluation of Fatigue, 4 ~ Crack-Growth Resistance of Aluminum Alloys Under Spectrum Loading",
Northrop Corporation, Aircraft Division, Hawthorne, CA, Contract*. No. N00019-80-C-0427, April 1982.
8.22-17
,,,..
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TABLE 8.22 Cco~n't)
RAOOL 2124-T851 KtC
iumrnarv of ?lane-Strain Fracture 7ouzhness and Notch-:ensiie-ests-Revnolds Metals Company, Mecallurgical Research Division,-iniond, %'A, Project 36-KFP-3M04, Steptember 978 - ,une '980.
RA0O2 2124-T851 KI,
Summary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmnond,VA. Project 38-Ky?, November 1978,
RA003 7475-T7351 Kid
Summary of Plane-Strain Fracture Toughness and Notch-TensileTests-Reynolds Metals Company. Metallurgical Research DivisionRichmond, VA, Project 38KF'N-7475 Alloy, March 1978 - November 1978.
RADO04 7475-T7351 K1
IcI
Summary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmond,VA, Project 37-KFN-7475 Alloy, August 1977 - December 1977.
RA005 7475-T7351 KIC
Summary of Plane-Strain Fracture Tougnness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmond,VA, Project 38-KFN-3M04-7475 Alloy, May 1980.
Rh%006 7475-T7351 KIc
Summary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmond,VA, Project 38-KFP-7475 Alloy, September 1977 - November 1977.
'I, A007 7475-T7651 KIc
Summary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmond,VA, Project 37-KFP-7475 Alloy, 1977.
RA008 7050-173651 K~c
P Summary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Metallurgical Research Division, Richmond,VA, Project 37-KFP-7050 Alloy-T73651, January 197A
RA009 7050-173651 KIc
Summary of Plane-Strain F,:acture Toughness and Notch-Tensile Tests-Reynolds Metals Company, Mataliurgical Research Division. Richmond,VA, Project 37-KFM-7050 Alloy-T73651, 1977.
R.A010 7050-T73651 Kc
Sumary of Plane-Strain Fracture Toughness and Notch-Tensile Tests-Reynolds Metals Company, metallurgical Research Division, Richlmo'no.VA, Project 38-KFP-7050 Alloy-T 73651, 1977.
%
Tr22-1 8.2(cnt
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TABLE 8.22 (con't)
R1002 7178-T651 da/dN
Data Sheets Containing Fatigue Crack Growth Rate Data on 7178-T651Aluminum Plate Supplied by J. Stolpestad, Rockvell incernational,North American Aircraft Division, March 1982.
R1003 2219-T851 da/dN
Chang, J. B,. and Stolpestad, J. H., "Improved Methods forPredicting Spectrum Loading Effects - Phase I Report, Volume II -Test Data", Rockwell International Corporation, Los Angeles Division,Los Angeles, CA, Report AFFDL-TR-79-3036. March 1978.
R1006 2024-T852 Klscc 7075-T73 Klscc2124-T851 Klscc 7075-T7351 Ktsc,2219-T851 Ktscc 7075-T73511 Klscc7049-T7352 KIscc 7075-T7651 Klscc7050-T73651 KIlcc 7175-T73652 Klscc
Ferguson, R. R., and Berryman, R. C., "Fracture Mechanics Evaluationof B-1 Materials", Rockwell International, B-I Division, Los Angeles.CA, Contract No. F33657-70-C-0800, Report No. AFML-R-76-137,October 1976.
UDOO02 7010-T73651 da/dN
Carvay, R. R., "An Empirical Model for Loading Ratio Effect onFatigue Crack Growth Rate Data", Univristy of Dayton ResearchInstitute, Dayton, OH, Contract No. F33615-80-C-5011, Report No.AIVAL-TR-81-4140, November 1981.
UDO03 7010-T73651 Kic, da/dN, Klscc
Cervay, R. R., "Mechanical Property Evaluation of Aluminum Alloy7010-T73651", University of Dayton Research Institute, Dayton, OR,Contract No. F33615-78-C-5002, Report No. AFWAL-TR-80-4094, July 1980.
UDOO4 2419-T851 KIc, da/dN
Ruschau, J. J., "Mechanical Property Data for Aluminum Alloy. 2419-T851 Plate", University of Dayton Research Institute, Dayton,
OH, Coutract No. Y33615-74-C-5024, Report No. AFML-TR-75-136,September 1975.
UDOOS 2124-T851 KIc, da/dN
Ruschau, J. J., "Complete Fatigue Crack Growth Rate Curves forAluminum Alloy 2124-T851 Including Typical Crack Growth Models",
t. University of Dayton Research Institute, Dayton, OH, Contract No.
.9. F33615-78-C-5002, Report No. AFML-TR-78-L55, November 1978.
UDO06 2024-T3 da/dN7075-T73 da/dN
uschau, J. J., "The Effect of Negative R-Ratio on Fatigue CrackGrowth Rate Properties for Aluminum 7075-T73 and 2024-T3". Universityof Dayton Research Institute, Dayton, OH, Contract No. F33615-78-C-5002, Technical Mmorandum UDR-TM-80-07, March 1980.
8.22-19
U ) *. . ... . ..
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TABLE 8.22 (can't)
110009 2024-T351 da/dN
Cerway. &- R.. "As Empirical 4odal for Load Ratio and Test* Temperature Effects on the Fatigue Crack Growth Rate of Aluminum
Alloy 2024-T351". University of Dayton Research Institute, Dayton,ONl, Contract No@. F33615-8O-C-5011. R~eport NIo. ANAL-R-82-4025,March 1982.
UDOIO 2219-T851 da/dN
* Killer, M. S., and Gallagher. J. P.. "An Analysis of SeveralFatigue Crack Growth Rate (FCC!) Decriptions", University, ofDayton Research Institute, Dayton. ONl.
WAO01 7049-T73511 c7050-T73511 KICi da/dl7075-T73511 Kl,. da/dN
Petrak, G. J.. 'Utfects of Purity Level on the Ifchanical Propertiesof 7000-Series Al~umI" Air force Wright Aeronautical Laboratories(AIVAL/1LISA). Alr Force Systems Comand. JIfl, ORl, Project NIo.2413. April 1980.
iv8222
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