The strength coefficient 35,000 lb/in2 and strain-hardening exponent-0.40 for a metal used in a forming operation in which the workpart is reduced in cross-sectional area by stretching. If the average flow stress on the part is 20,000 Ib/in2, determine the amount of reduction in cross-sectional area experienced by the part.

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To determine the amount of reduction in crosssectional area experienced by the part during the formi... View the full answer