轴对称侵入体对半无限靶体的侵彻分析

本文对半无限靶体的侵彻问题进行了初步的探讨。在某些简化假定前提下,研究了靶体内塑性波的传播,给出了侵入体表面压力的计算公式。所得结果与试验及数值分析结果符合较好。     

L4纯铝高速变形时应变率效应的实验研究

本文讨论了Hopkinson扭杆(TSHB)技术及对L4纯铝进行的材料动力性能实验。实验表明,该材料具有应变率敏感特征且敏感系数与应变的量值无关。文中给出了一个可以描述L4纯铝在高应变率情况下的本构方程。     

固体材料在高应变率条件下的TSHB实验技术*

本文介绍了分离式Hopkinson扭杆技术(TSHB),它克服了压杆技术的主要缺陷.具有测试精确,容易获得较大变形等特点.文中给出了在我们自制试验机上获得的部分工程材料的动态应力应变曲线.     

THE TSHB TECHNIQUE FOR MATERIAL TESTING AT HIGH RATES OF STRAIN

The material testing technique of Torsional Split Hopkinson Bar(TSHB)isinvestigated in this paper.It can solve nearly all the problems of Split Hopkinson PressureBar(SHPB).Furthermore. accurate experimental results can be obtained in largedeformation condition.In this paper some dynamic stress-strain curves of some engineeringmaterials are also given which are obtained from a TSHB apparatus made by ourselves.     

The TSHB technique for material testing at high rates of strain

The material testing technique of Torsional Split Hopkinson Bar (TSHB) is investigated in this paper. It can solve nearly all the problems of Split Hopkinson Pressure Bar (SHPB). Furthermore, accurate experimental results can be obtained in large deformation condition. In this paper some dynamic stress-strain curves of some engineering materials are also given which are obtained from a TSHB apparatus made by ourselves.Projects Supported by the Science Fund of the Chinese Academia Sinica.