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报导镁合金ＭＢ８薄壁圆管试件在比例加载时Ｐ-ｐ复杂应力状态下的实验结果，主要研究了：(１）初始屈服曲面；（２）强度极限曲面，（３）初始屈服曲面与强度极限曲面的关系．
The experimental results of P-p complex stress state of magnesium alloy MB8 thin-walled tube specimens are reported. The main results are as follows: (1) initial yield surface, (2) strength limit surface, (3) initial yield surface and strength limit Surface of the relationship.