A sheet metal part has a thickness of 0.100 in., and the material has a UTS of 40,000 psi, an ultimate strain of 0.200 Min., and a reduction of area of 20 percent at the UTS. Calculate the minimum...

A sheet metal part has a thickness of 0.100 in., and the material has a UTS of 40,000 psi, an ultimate strain of 0.200 Min., and a reduction of area of 20 percent at the UTS. Calculate the minimum bend radius based upon:

a. Ultimate strain (0.20 in.)

b. Reduction of area (0.15 in.)