particle reinforced and fiber reinforced composites overview
TRANSCRIPT
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Presented by:
Josephine L. SueltoECE 3-1
Composite Materials
by Filler Type
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Composite Materials
Combination of two or more materials
Designed to display a combination of the best
characteristics of each material
• fiberglass (strength from glass and flexibility from
the polymer)
Bonded together (adhesive) or mechanically lockedtogether
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Composite Materials
Composite = matrix + fiber
atrix- component that s!rro!nds the fiber
-hold the fiber in a favorable orientation
"iber - reinforcing material or fillers
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Classification of Composite
Materials by Matrix:
etal atrix
Ceramic atrix
#olymer ($esin) atrix
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Classification of Composite
Materials by Filler Type:
#article%reinforced composites
"iber%reinforced composites
&tr!ct!ral composites
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Particle Reinforced Composites
#article- a min!te portion of matter - no long dimension-
any shape or si'e
#articles !sed are- small mineral particles (ceramics and glasses)-
metal particles (al!min!m)- amorpho!s materials (polymers carbon black)
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Particle Reinforced Composites
#articles are !sed to- increase the mod!l!s of the matrix* and to
decrease the permeability and d!ctility of the
matrix- s!pport higher tensile* compressive and shear
stresses- extend the strength or other properties of
inexpensive composites
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Particle Reinforced Composites
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Particle Reinforced Composites
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Particle Reinforced Composites
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Fiber Reinforced Composites
"ibers- have very high mod!l!s of the matrix- have strong covalent bonds along fiber,s length-
are diffic!lt to process-
relatively expensive
echanical properties depend on- properties of fiber -
degree of load application- length of fiber* their orientation and vol!me fraction
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Fiber Alignment
Contin!o!s "ibers- -ighest strength and stiffness
Discontin!o!s "ibers
- .sed only for man!fact!ring economics
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Fiber Alignment
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Fiber Reinforced Composites
/ircrafts
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Fiber Reinforced Composites
&pacecraft
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Fiber Reinforced Composites
$acing cars
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Fiber Reinforced Composites
0ennis rackets
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Fiber Reinforced Composites
1ind t!rbines
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Composite Production Methods
"ilament 1inding
- Contin!o!s filaments wo!nd onto mandrel
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Composite Production Methods
#repreg #rod!ction
- composite ind!stry,s term for contin!o!s fiber
reinforcement pre%impregnated with a polymerresin that is only partially c!red
- delivered in tape form to the man!fact!rer who
then molds and f!lly c!res the prod!ct witho!thaving to add any resin
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Composite Production Methods
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Thank you for listening.
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eferen!es:
http22sciencerankorg2pages25::;2Composite%aterials%#article%reinforced%compositeshtml
http22sciencerankorg2pages25:::2Composite%
aterials%"iber%reinforced%compositeshtml
http22wwwscaledcom2indexhtml http22compositeabo!tcom2gi2dynamic2offsitehtm3
site=httpE?/EF"EF"poissonmedalca
EF"DesignGprosEF"6:G6HEF"compositeEF"
@ario!s #ower#oint presentations
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!ui"
5 Combination of two or more materials
F 0wo composite prod!ction methods
? 3
I / min!te portion of matter which has no longdimension and comes in any shape or si'e
; /nother term for reinforcing materials or fiber
: &trongest fiber alignment
H Combination of cobalt and t!ngsten carbide