通过锡铅超塑性材料的挤压实验，探讨了超塑态挤压变形力的计算问题。
By way of experimental study, This paper approached the problem o calculating extrusion force of the superplastic tin-lead alloy.
采用大变形刚塑性有限元法模拟超塑性材料轴对称锥形模约束胀形过程。
The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.
本文的试验结果可作为其它类型超塑性材料超塑成形后力学性能分析的参考。
There is much in this articles results that we can use for reference to other type superplastic materials mechanical properties analysis after superplastic forming.
这类超弹性-塑性材料中可以发生空穴的生成现象，得到了在表面拉仲作用下球体中空穴生成时空穴半径与临界拉伸之间的关系式和临界拉伸。
Cavitation phenomenon may be found in this elastic-plastic material. Formulae between the cavity radius and the stretch were obtained. The critical stretch was given too.
这类超弹性-塑性材料中可以发生空穴的生成现象，得到了在表面拉仲作用下球体中空穴生成时空穴半径与临界拉伸之间的关系式和临界拉伸。
Cavitation phenomenon may be found in this elastic-plastic material. Formulae between the cavity radius and the stretch were obtained. The critical stretch was given too.
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