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平面冲击波高速撞击下Zr41Ti14Cu12.5Ni10Be22.5大块非晶合金的损伤与断裂

DOI: 10.11858/gywlxb.2007.01.018, PP. 108-112

Keywords: 大块非晶合金,平面冲击波,损伤,断裂

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Abstract:

利用二级轻气炮研究了在平面冲击波高速撞击下,Zr41Ti14Cu12.5Ni10Be22.5大块非晶合金的损伤与断裂行为。实验结果表明:在高速冲击压缩下,大块非晶合金断裂面的角度小于通常压缩情况的角度,这是由高速撞击下材料极高的应变速率决定的;极高的应变速率变形和局域绝热剪切加热造成局部熔化;在温度和压力的共同作用下,非晶合金发生晶化现象。

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