2503501225Yield: 307 lb, 0.1375 inGap: 4.5"Width: 0.5"300Thickness: 0.125"200Area: 0.5 x 0.125 in? = 0.0625 in250YIELD POINTLDYield Force: 307 1b175Yield Stress: 307/0.0625 psi =2004912 psi% Elongation at vield:(0.1375/4.5) x 100% = 3.05%200 lb, 0.075 inIbf150150BREAKING POoINTBreak: 130 lb, 0.25 inBreaking Force: 130 lbBreaking Stress: 130/0.0625 psi=2080 psiA100125% elongation at break(0.25/4.5) x 100% = 5.5%50100POSITION, in250500.7501.001.251.Ibf75TENSILE MODULUS CALCULATIONS:In principal, tensile modulus is the SLOPE of force vs. distance graph. You choose any randomforce, calculate the stress and distance at that point. Then calculate the stress and elongation.50o Choose the point at 200 lb and 0.075 in. This is a random choice•o Stress at 200 1b is 200/0.0625 psi = 3200 psiO Elongation at 0.075 in is (0.075/4.5) x 100% = 1.66o Tensile Modulus = 3200/1.66 psi = 1920 psi25POSITION, in.250.500.7501.001.251.501.752.002.252.50 4. If the thickness and width of the dog bone for PP are 0.12" and 0.5",respectively, and the initial length is 4.5":a. Calculate the yield point (lb), yield stress (psi) and elongation at yieldb. Calculate the break point (lb), stress at break (psi)c. Calculate elongation at break (%)d. Calculate Modulus of Elasticity (psi)

Answered: Image /qna-images/answer/27f8421e-c999-40d5-84bf-03f748edfaea.jpg

4. If the thickness and width of the dog bone for PP are 0.12" and 0.5", respectively, and the initial length is 4.5": a. Calculate the yield point (Ib), yield stress (psi) and elongation at yield b. Calculate the break point (lb), stress at break (psi) c. Calculate elongation at break (%) d. Calculate Modulus of Elasticity (psi)

4. If the thickness and width of the dog bone for PP are 0.12" and 0.5", respectively, and the initial length is 4.5": a. Calculate the yield point (Ib), yield stress (psi) and elongation at yield b. Calculate the break point (lb), stress at break (psi) c. Calculate elongation at break (%) d. Calculate Modulus of Elasticity (psi)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.

Question

250
3501
225
Yield: 307 lb, 0.1375 in
Gap: 4.5"
Width: 0.5"
300
Thickness: 0.125"
200
Area: 0.5 x 0.125 in? = 0.0625 in
250
YIELD POINT
L
D
Yield Force: 307 1b
175
Yield Stress: 307/0.0625 psi =
200
4912 psi
% Elongation at vield:
(0.1375/4.5) x 100% = 3.05%
200 lb, 0.075 in
Ibf
150
150
BREAKING POoINT
Break: 130 lb, 0.25 in
Breaking Force: 130 lb
Breaking Stress: 130/0.0625 psi=
2080 psi
A
100
125
% elongation at break
(0.25/4.5) x 100% = 5.5%
50
100
POSITION, in
250
500
.750
1.00
1.25
1.
Ibf
75
TENSILE MODULUS CALCULATIONS:
In principal, tensile modulus is the SLOPE of force vs. distance graph. You choose any random
force, calculate the stress and distance at that point. Then calculate the stress and elongation.
50
o Choose the point at 200 lb and 0.075 in. This is a random choice
•
o Stress at 200 1b is 200/0.0625 psi = 3200 psi
O Elongation at 0.075 in is (0.075/4.5) x 100% = 1.66
o Tensile Modulus = 3200/1.66 psi = 1920 psi
25
POSITION, in
.250
.500
.750
1.00
1.25
1.50
1.75
2.00
2.25
2.50

4. If the thickness and width of the dog bone for PP are 0.12" and 0.5",
respectively, and the initial length is 4.5":
a. Calculate the yield point (lb), yield stress (psi) and elongation at yield
b. Calculate the break point (lb), stress at break (psi)
c. Calculate elongation at break (%)
d. Calculate Modulus of Elasticity (psi)

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