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Progress in Predicting the Effective Elastic Properties of PBX
Author(s): 
Pages: 119-123
Year: Issue:  1
Journal: Chinese Journal of Energetic Materials

Keyword:  固体力学高聚物粘结炸药(PBX)细观力学配方设计有效性能体积模量剪切模量;
Abstract: 高聚物粘结炸药(PBX)是一种颗粒高度填充的含能复合材料,其单质炸药晶体的体积百分含量通常达到了85%以上.在室温和低应变率条件下,炸药晶体与粘结剂两相模量对比可达3~4个数量级,PBX的这两个特点使传统复合材料相关理论不再适用.因此,PBX有效弹性性能的模拟与预测对复合材料力学和细观力学提出了巨大挑战.本文介绍了国内外在PBX有效弹性性能模拟与预测方面所进行的工作,对各种预测方法的优缺点以及应用前景进行了简要的评述,指出了PBX有效性能模拟与预测需要解决的问题以及下一步工作的重点.
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