Question

A rectangular workpiece has the following original dimensions: 2a=100mm, h=25mm, and width=20mm. The metal has a strengh coefficient of 400MPa and strain-hardening exponent of 0.5. It is being forged in plane strain with mu=0.2. Calculate the force required when the height is reduced by 20 percent. Do not use average pressure formulas.

Answer 1

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