一、一般情况 材料动态力学性质是工程实践提出来的课题,历史很长了,但至今仍是不少重大工程问题的拦路虎。 在高能粒子束破坏材料的研究中,如激光打靶,必须根据应力波导致的材料破坏,反过来对激光源的性能研制提出要求,这就必须首先摸清材料动态破坏的规律,做为全部工作的先行和基础。 First, the general situation Dynamic mechanical properties of materials proposed by the engineering practice of the subject, a long history, but it is still a lot of major engineering problems Roadblocks. In the research of high-energy particle beam damage materials, such as laser shooting, the damage of materials caused by stress waves must be taken into account and the performance of laser sources must be raised in turn. In this case, we must first find out the law of dynamic failure of materials, The first and basis.