corrosion aceros

7/25/2019 Corrosion Aceros

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REA DE CIENCIA Y TECNOLOGA

INGENIERA MECNICA

ANNIMO

ELEMENTOS DE MQUINAS

TEMA:CORROSIN EN EL ACERO

19/11/2015

QUITO ECUADOR


2/15

INDICE

INDICE................................................................................................................. 2

INTRODUCCIN...................................................................................................3OBJETIVOS GENERAL...........................................................................................4

OBJETIVOS ESPECFICOS..................................................................................... 4

MARCO TERICO................................................................................................. 5

TIPOS DE CORROSIN........................................................................................5

MTODOS CONTRA LA CORROSIN....................................................................7

Mt!" #$#%t&'()*+%".,............................................................................... 7

Mt!" !# -&& /)"+%.,.............................................................................. 7

Mt!" '(# !+"*+0(1#0 $ "++!! !#$ *#!+ %&&"+.,........................7P&t#%%+0 %0t& $ %&&"+0..........................................................................7

P&t#%%+0 %t!+%..........................................................................................

P$&+6%+0 %t!+%.......................................................................................

C0"+!#&%+0#" !# !+"# 8& $ 8&t#%%+0 %t!+% #0 t(-#&)" #0t#&&!"........................................................................................................................ 9

R#"8#%t $ #"t&(%t(& 8&t##&.............................................................9

R#"8#%t $ *#!+........................................................................................ 9

C&+t#&+" !# 8&t#%%+0......................................................................................:;R#"+"t++!! !#$ "(#$........................................................................................::

CONCLUSIONES................................................................................................. :2

RECOMENDACIONES.........................................................................................:2

BIBLIOGRAFA....................................................................................................:3


3/15

INTRODUCCIN

El pr!"# #r$%$&' #(" )'*' +("$l(,$, $*pl($r l'! )'"')(*("#'! #-r()'! . ! (*p$r#"" l$ *$#r($ *,($"# l$ ("!#($)(-" , !# #*$3

S pr#", )'" ll' "+')$r $r('! p"#'! , (!#$! !'%r " #*$ . ! , !*$(*p'r#$")($ ,"#r' , l$ )$rrr$ " (!#$ , l'! +)#'! (",!$%l! . l$ )'rr'!(-" ,&$ ".(p'! *$.("$r($! 4 !#r)#r$!3

S pl$"#$r" l$! p'!(%l! !'l)('"! $ !# +"-*"' "$#r$l , l'! *$#r($l! )'*' l' !'""#r '#r'! " !! ,(+r"#! r!('"!3

El #r$%$&' )'"!#$ , " ,!$rr'll' l )$l )'*' + (",()$,' 6$ !(,' r,$)#$,' *,($"# l$("!#($)(-" " #7#'!3


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OBJETIVOS GENERAL

D$r $ )'"')r $ l$! pr!'"$! l pr')!' , )'rr'!(-" , "$ *$"r$ "r$l3

OBJETIVOS ESPECFICOS

O%!r$r*'! l'! #(p'! , )'rr'!(-" l pr')!' 4 ,!$!# . ! r$l(8$ " l'!

,(+r"#! #(p'! , *$#r($l! )'" r!p)#' $ !# pr')!'3


5/15

MARCO TERICO

TIPOS DE CORROSIN

S )l$!(+()$" , $)r,' $ l$ $p$r(")($ ,l *#$l )'rr',' ,"#r' , l$! *! )'*"!

!#":

13 Corrosin uniforme:D'", l$ )'rr'!(-" .*()$ '

l)#r'.*()$ $)#;$ "(+'r**"# !'%r #',$ l$

!pr+()( ,l *#$l3

23 Corrosin galvnica:O)rr )$",' *#$l! ,(+r"#!

! ")"#r$" " )'"#$)#' $*%'! *#$l! p'!"

p'#")($l! l


6/15

=3 Corrosin por picaduras:A. ! pr',)" 6'4'! ' $&r'! p'r $"#! .*()'!3

>3 Corrosin intergranular:E! l$ . !

")"#r$ l')$l(8$,$ " l'! l*(#! ,r$"' !#' 'r(("$ p


7/15

MTODOS CONTRA LA CORROSINL$! *,(,$! *! (*p'r#$"#! p$r$ l )'"#r'l , l$ )'rr'!(-" ! #'*$" ,!,

l ,(!?' *(!*' ,l .(p' " l$ !l))(-" , l'! *$#r($l! , )'"!#r))(-" *!

$pr'p($,'! 4 " l$! )$r$)#r!#()$! *! )'""("#! ,l pr'p(' ,(!?'3

D *$"r$ $,()('"$l )'" "+'.! p$r#()l$r*"# $ l$ 'pr$)(-" , pl$"#$

l'! *


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P&t#%%+0 %t!+%L$ pr'#))(-" )$#-,()$ ! "$ #

P$r$ ! +")('"$*("#' pr)#()' r.(r , " l)#r',' $7(l($r "',' "$ +"# ,

)'rr("# )'"#("$ )4' #r*("$l p'!(#(' ! )'")#$ $l l)#r',' $7(l($r 4 l #r*("$l


9/15

"$#(' $ l$ !#r)#r$ $ pr'#r +l4",' l$ )'rr("# ,!, l l)#r',' $ #r$

l)#r-l(#' ll$",' $ l$ !#r)#r$3

I"+l4" " l'! ,#$ll! , ,(!?' 4 )'"!#r))(-" p$r*#r' , '*#r$ 4 #$*$?' , l$!#r)#r$ 4 , l'! "','! l$ r!(!#((,$, ,l *,(' l)#r-l(#' l$ +"# , )'rr("# #)3

C0"+!#&%+0#" !# !+"# 8& $ 8&t#%%+0 %t!+% #0 t(-#&)"#0t#&&!"L$ pr'4))(-" , " !(!#*$ , pr'#))(-" )$#-,()$ r.(r , l$ ("!#($)(-" ,

)$r$)#r!#()$! r!p)#' $ l$ !#r)#r$ $ pr'#r 4 $l *,('3

R#"8#%t $ #"t&(%t(& 8&t##&13 M$#r($l , l$ !#r)#r$

23 E!p)(+()$)('"! 4 pr'p(,$,! ,l r!#(*("#' pr'#)#'r !( 7(!#

=3 C$r$)#r!#()$! , )'"!#r))(-" 4 ,(*"!('"! '*3 M$p$! pl$"'! , l')$l(8$)(-" ,(!?' 4 ,#$ll! , )'"!#r))(-"

53 L')$l(8$)(-" 4 )$r$)#r!#()$! , '#r$! !#r)#r$! *#l()$! "#rr$,$! ' !*r(,$! "

l$! pr'7(*(,$,!

B3 I"+'r*$)(-" r+r"# $ l'! !(!#*$! , pr'#))(-" )$#-,()$ l'! )$r$)#r!#()'! !(!#*$!

, 'pr$)(-" $pl()$,'! " l$! !#r)#r$! $l,$?$!

3 A"l(!(! , )'",()('"! , 'pr$)(-" , l"$! , #r$"!*(!(-" l


10/15

1 M,()('"! , l$ r!(!#((,$, l


11/15

L'! )r(#r('! , p'#")($l *"(*' , pr'#))(-" . ! #(l(8$r ! , F50 * r!p)#' $l

C/SO>C )'*' *"(*' 4 pr*(#(",' r)'*",$r $! *(!*' " *7(*' p'#")($l ,

pr'#))(-" . p,$ !#$r "#r l'! 1200 * $ @1=00 * !(" pr*(#(r $l'r! *!

"$#('! p!#' . ! )'rr l r(!' , !'%r pr'#))(-" . $+)#$ , !'%r *$"r$ $l

r)%r(*("#' , l$ p("#r$ 4$ . 6$4 r(!'! , r$))(-" )$#-,()$ , r,))(-" ,

6(,r-"' $!'!' . ! *$"(+(!#$ )'*' " $*p'll$*("#' " l$ p("#r$3

Resisti#id$d de% s&e%oC$",' ! ,(!?$ pr'#))(-" )$#-,()$ ' !(*pl*"# )$",' ! !#,($ l$ ("+l")($ , l$)'rr'!(-" " " *,(' " l )$l ! ("!#$l$r .(p'! ' ! #",r "$ l"$ ! ")!$r('("!#($r l$! )$r$)#r!#()$! ,l *,(' "#r !#$! )$r$)#r!#()$! rl$)('"$,$ ,(r)#$*"#)'" l +"-*"' )'rr'!(' ! ")"#r$ l$ r!(!#((,$, ,l *,('3

L$ r!(!#((,$, ! l$ r)pr')$ , l$ )'",)#((,$, ' )$p$)(,$, ,l !l' p$r$ )'",)(r)'rr("# l


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13/15

CONCLUSIONES

E" l #r$%$&' ! )'"+(r*$ . l$ l)6$ 4 )'"#r'l , l$ )'rr'!(-" ! " $r# ,"#r' ,l

*$"#"(*("#' )(,$,' , l'! $)r'! 4 . !#$ r$ ! %$!#$"# $*pl($ ,$,' l !("

";*r' , )'",()('"! $ l'! )$l! ! ")"#r$" !'*#(,'! l'! *#$l! . +'r*$"

.(p'! 4 6rr$*("#$!3

El pr')!' , )'rr'!(-" ,% !r (!#' )'*' " 6)6' . p'" " (,")($ l pr')!'

"$#r$l , . l'! *#$l! l" $ ! )'",()(-" pr(*(#($ 4 . ll' )'"ll$ $l

,#r('r' ,l *(!*'3 N' '%!#$"# ! !# pr')!' l . pr'')$ l$ ("!#($)(-" 4 l

pl$"#$*("#' , +-r*l$! . pr*(#$" $l$r$r l$ (,$ ;#(l , l'! *$#r($l! !'*#(,'!

$ !# pr')!'3

E!# l 6)6' , . 6$4 . $6'",$r " !#'! )'"')(*("#'! p! ll'! +'r*$r" p$r#

("#r$l , l$ l$%'r . ,% ,!*p?$r " I""(r' " l )(,$,' , l$ )'rr'!(-"3

RECOMENDACIONES

S( ! ll$ $ '%!r$r " "$ )'"!#r))(-" . 7(!#" !"#'*$! , )'rr'!(-" )'*'

*$")6$ , -7(,'! 4 +(!r$)('"! " l $)r' , l$ !#r)#r$ ! ,% l(*("$r #','

l *$#r($l3 E! ")!$r(' . !#$ *,(,$ ! r$l() 6$!#$ l$ p$r# p'!#r('r , l$

$r*$,r$ ,&$",' l(%r! "'! ,'! )"#*#r'! $lr,,'r , l$ *(!*$ )'" l +(" ,

p',r r$l(8$r "$ )'rr)#$ l(*p(8$ 4 $! l(*("$r )'*pl#$*"# #','! l'!

pr',)#'! , )'rr'!(-" ,l $)r' 4 pr*(#(r . l *$#r($l , rp$r$)(-" "l$

)'rr)#$*"# l$! %$rr$!3 P',*'! ll$r $ ,)(r . !( l$! p


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15/15

BIBLIOGRAFA D*"$l, R3 A!Kl$", Pr$,p P3 Pll< )(")($ (""(r$ " l'! *$#r($l!

)$r#$ ,()(-" E,3 Pr"#() 6$ll 199F M5BF9/2>=F>/1/P$prJ20P$r,!@

Pr(#'3p,+ 6##p://!3(K(p,($3'r/(K(/C'rr'!(JC=J=" (ll($* 3 S*(#6 $$, H$!6*( ",$*"#'! , l$ C(")($ I""(r$ ,

M$#r($l! E,3 M) Gr$ H(ll M

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