Answered: TABLE P4.3 Stress, MPa Strain, 10 3 m/m…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

An aluminum alloy bar with a radius of 7 mm was subjected to tension until
fracture and produced results shown in Table P4.3.
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.

TABLE P4.3
Stress, MPa
Strain, 10 3 m/m
Stress, MPa
Strain, 10 ° m/m
0.0
399.9
5.2
55.2
0.6
427.5
5.8
117.2
1.5
441.3
6.2
186.2
2.4
448.2
6.5
241.3
3.2
462.0
7.3
296.5
4.0
468.9
8.1
344.8
4.6
482.7
9.7

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