A tensile test specimen having a diameter of 0.505 in. and a gage length of 2.00

Question

A tensile test specimen having a diameter of 0.505 in. and a gage length of 2.00 in. was tested to fracture. Load and deformation data obtained during the test were as follows: Determine The modulus of elasticity. The proportional limit. The ultimate strength. The yield strength (0.05% offset). The yield strength (0.2% offset). The fracture stress. The true fracture stress if the final diameter of the specimen at the location of the fracture was 0.425 in. The tangent modulus at a stress level of 46,000 psi.

Explanation / Answer

a)modulus of elasticity-266.622 *10^4

b)propotional limit - 256*10^4

c)ultimate strength-0.20

f)fracture stress- 13000

g)true fracture stress- 0.141

tried my best ,hope this will help somewhat

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