Question: A part made from annealed AISI 1018 steel undergoes a 20 percent cold-work operation. (a) Obtain the yield strength and ultimate strength before and after

A part made from annealed AISI 1018 steel undergoes a 20 percent cold-work operation.

(a) Obtain the yield strength and ultimate strength before and after the cold-work operation. Determine the percent increase in each strength.

(b) Determine the ratios of ultimate strength to yield strength before and after the cold-work operation. What does the result indicate about the change of ductility of the part?

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