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通过对高速变形的黄铜进行细观分析,探讨了动载下黄铜的变形和破坏机理;进一步阐述了动载下材料变形及断裂过程是由其内部的微孔洞和微裂纹的演化而造成的,这一过程分为形核、长大及微孔洞聚合。
The deformation and failure mechanism of brass under dynamic loading were discussed through the mesoanalysis of high-speed deformation brass. The deformation and fracture process of the material under dynamic loading were further analyzed by the evolution of microcavities and microcracks Caused by the process is divided into nucleation, growth and micropore aggregation.