In deep drawing of a cylindrical cup, is it always necessary that there to be tensile circumferential stresses on the element in the cup wall, a shown in Fig. 7.50b? Explain. January 8, 2021 Read More »
Explain the reasoning behind Eq. (7.20) for normal anisotropy, and Eq. (7.21) for planar January 8, 2021 Read More »
Explain why the three broken lines (simple tension, plane strain, and equal biaxial stretching) in Fig. 7.63a have those particular slopes. January 8, 2021 Read More »