The forming limits in non-axisymmetric square-cup deep drawing of aluminum alloy LF21, LY21(M) and steel st17 are predicted by means of the ductile fracture criterion (DFC) advanced by the author.
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- 利用作者提出的韧性断裂准则预测了铝合金板LF21;LY21(M)和钢板st17非轴对称的方盒件拉深成形极限;并与成形极限图的预测结果和实验结果进行比较.