2. An aluminum alloy specimen with a radius of 0.28 in. was subjected to tension untilfracture and produced results shown in Table P4.3.Table P4.3Stress, ksiStrain, 10 ° in./in.0.080.6171.5272.43.235434.04.650585.2625.8646.2656.5677.3688.19.7a. Using a spreadsheet program, plot the stress-strain relationship.b. Calculate the modulus of elasticity of the aluminum alloy.c. Determine the proportional limit.d. What is the maximum load if the stress in the bar is not to exceed theproportional limit?e. Determine the 0.2% offset yield strength.f. Determine the tensile strength.g. Determine the percent of elongation at failure.

2. An aluminum alloy specimen with a radius of 0.28 in. was subjected to tension until fracture and produced results shown in Table P4.3. Table P4.3 Stress, ksi Strain, 10 ° in./in. 0.0 8 17 27 0.6 1.5 2.4 35 3.2 43 4.0 50 4.6

2. An aluminum alloy specimen with a radius of 0.28 in. was subjected to tension until fracture and produced results shown in Table P4.3. Table P4.3 Stress, ksi Strain, 10 ° in./in. 0.0 8 17 27 0.6 1.5 2.4 35 3.2 43 4.0 50 4.6

Structural Analysis

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ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Planar Stresses

Question

2. An aluminum alloy specimen with a radius of 0.28 in. was subjected to tension until
fracture and produced results shown in Table P4.3.
Table P4.3
Stress, ksi
Strain, 10 ° in./in.
0.0
8
0.6
17
1.5
27
2.4
3.2
35
43
4.0
4.6
50
58
5.2
62
5.8
64
6.2
65
6.5
67
7.3
68
8.1
9.7
a. Using a spreadsheet program, plot the stress-strain relationship.
b. Calculate the modulus of elasticity of the aluminum alloy.
c. Determine the proportional limit.
d. What is the maximum load if the stress in the bar is not to exceed the
proportional limit?
e. Determine the 0.2% offset yield strength.
f. Determine the tensile strength.
g. Determine the percent of elongation at failure.

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