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超高速碰撞下C-SiC复合材料双层防护结构的力学特性

DOI: 10.11858/gywlxb.2012.01.003, PP. 18-26

Keywords: C-SiC复合材料,弹道极限方程,超高速碰撞,双层结构

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Abstract:

C-SiC复合材料是一种随着航空航天技术发展而研制开发的新型材料,具有优异的力学性能,可以很好地满足航天器防护系统的使用要求,因此其超高速碰撞力学性能研究具有重要意义。基于现有的有关C-SiC复合材料力学性能的实验数据和模拟结果,推导得到模拟C-SiC复合材料超高速碰撞时所需的一系列参数。利用AUTODYN进行数值模拟,获得了C-SiC复合材料双层防护结构在超高速碰撞下的特性及弹道极限曲线,总结得出预测C-SiC复合材料双层防护结构的弹道极限方程。

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