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An aluminum alloy specimen with a radius of 028 in was subjected to tension until fracture and produced results shown in

An aluminum alloy specimen with a radius of 028 in was subjected to tension until fracture and produced results shown in

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,

10-3 in./in.

8

0.6

17

1.5

27

2.4

35

3.2

43

4.0

50

4.6

58

5.2

62

5.8

64

6.2

65

6.5

67

7.3

68

8.1

70

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.

 
mahesh 01-Jul-2020

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