The table below gives physical properties for three types of fibers used to rein
ID: 1858406 • Letter: T
Question
The table below gives physical properties for three types of fibers used to reinforce polymer resins to make PMC materials.
FIBER TYPE>>
CARBON
ARAMID
E-GLASS
Modulus of Elasticity- MSI
33
18
10.5
Tensile Strength- KSI
580
400
500
Specific Modulus of Elasticity- MSI
18.3
12.5
4.1
Specific Tensile Strength- KSI
322
278
197
Specific Gravity- g/cc
1.8
1.44
2.54
Relative Cost
High
Moderate
Low
MSI = million lb/in2
KSI = thousand lb/in2
FIBER TYPE>>
CARBON
ARAMID
E-GLASS
Modulus of Elasticity- MSI
33
18
10.5
Tensile Strength- KSI
580
400
500
Specific Modulus of Elasticity- MSI
18.3
12.5
4.1
Specific Tensile Strength- KSI
322
278
197
Specific Gravity- g/cc
1.8
1.44
2.54
Relative Cost
High
Moderate
Low
Explanation / Answer
Carbon ::: it has high modulus of elesticity . low thermal expension coffiecient , exibit high resistace
Aramid ::: it is a very tough material , it provides benifit when used as a stregtheing material for special application . due to high cost aramid can be replaced by glass or carbon
E- glass ::: it has low durability , so it has high reduction factor
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