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Incidence Pulse Shaping Techniques for Testing Quasi-Brittle SiCp/Al Composites with SHPB
Author(s): 
Pages: 488-491
Year: Issue:  4
Journal: Transactions of Beijing Institute of Technology

Abstract: 针对陶瓷体积分数为50%的准脆性 SiCp/Al复合材料恒应变率动态压缩实验,研究了入射波整形原则和理想入射波设计方法. 结果表明:采用原始透射波和修正后反射波叠加设计的新入射波,通过控制整形器尺寸和子弹初速获得了理想的入射波,实现对准脆性复合材料的恒应变率加载;以测试材料力学特性为基础设计的整形器,可调整入射波形使之与透射波具有相同形状. 针对准脆性SiCp/Al复合材料,SHPB实验中应变率只...
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