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Stress-strain relationship for alloy

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Reference no: EM13887137

Measurements on the surface of a deformed sheet after unloading indicate that e1 = 0.154 and e2 = 0.070. Assume that the von Mises criterion is appropriate and that the loading was proportional (i.e., the ratio α = σy/σxremained constant during loading). It has been found that the tensile stress-strain relationship for this alloy can be approximated by σ = 150 + 185ε, where σ is the true stress in MPa and ε is the true strain.

A. What was the effective strain?

B. What was the effective stress?

C. What was the value of the largest principal stress?

Reference no: EM13887137

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