The data below were obtained from a tensile test of a metal specimen with a rect

Question

The data below were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011 in2 in area and a gage length of 2.0 inches. The specimen was not loaded to failure.

???????????a. Generate a table of stress and strain values

b. Plot these values and draw a best-fit line to obtain a stress-strain curve

c. Determine the modulus of elasticity from the slope of the linear portion of the curve

d. Estimate the value of the proportional limit.

e. Use the 0.2% offset method to determine the yield stress.

Explanation / Answer

stress=F/area = strain=elongation/length modulus of elasticity =stress/strain input these values in the excel sheet and write these respectives formulae, you can also generate the stress,strain curve.

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