The stress-strain relation shown in the Figure below was obtained during the tensile test ofan aluminum alloy specimen. Calculate:a-Modulus of Elasticity within the linear portion (in ksi)Stress, psiAnswer:60000500004000030000200001000000 0.001 0.002 0.003 0.004Strain0.005 0.006 0.007 0.008 b-Yield strength using 0.006 extension strain method (in psi).Answer:c- If the yield stress is considered failure stress, what is the maximum working stress (psi) tobe applied to this material if a factor of safety of 1.25 is used?Answer:

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The stress-strain relation shown in the Figure below was obtained during the tensile test of an aluminum alloy specimen. Calculate: a- Modulus of Elasticity within the linear portion (in ksi)

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Concept explainers

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

Question

The stress-strain relation shown in the Figure below was obtained during the tensile test of
an aluminum alloy specimen. Calculate:
a-Modulus of Elasticity within the linear portion (in ksi)
Stress, psi
Answer:
60000
50000
40000
30000
20000
10000
0
0 0.001 0.002 0.003 0.004
Strain
0.005 0.006 0.007 0.008

b-Yield strength using 0.006 extension strain method (in psi).
Answer:
c- If the yield stress is considered failure stress, what is the maximum working stress (psi) to
be applied to this material if a factor of safety of 1.25 is used?
Answer:

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