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含能材料  2013 

压制PBX中炸药晶体损伤的研究进展

Keywords: 材料科学,高聚物粘结炸药(PBX),晶体,压制,损伤,模型

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Abstract:

综述了压制高聚物粘结炸药(PBX)中炸药晶体在机械载荷作用下晶体的微(细)观结构演化,演化过程中损伤的表征和损伤对PBX炸药宏观性能的影响,讨论了压制压力、压制温度、晶体品质和粘结体系对PBX压制过程中晶体损伤的影响,在此基础上讨论了损伤机制和多种构建PBX中晶体损伤的物理模型,认为通过改变压制方式、压制温度、晶体品质和粘结体系可减少晶体压制损伤的产生;利用流形元法、离散元法、图像处理技术等可实现对PBX炸药进行较真实的建模。

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