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含能材料  2014 

HMX基PBX炸药的等熵压缩实验研究

DOI: 10.3969/j.issn.1006-9941.2014.02.017

Keywords: 爆炸力学,高聚物粘结炸药(PBX),动力学响应,磁驱动,准等熵压缩

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Abstract:

利用磁驱动准等熵压缩加载实验技术,研究了某奥克托今(HMX)基高聚物粘结炸药(PBX)未反应固体炸药峰值压力8GPa内的动力学响应特点。实验在保持多样品加载压力历史一致的前提下,同时加载多个不同厚度实验样品,用激光干涉测速方法获得了样品的速度响应历史曲线,对实验数据进行了Lagrange分析处理,获得了该PBX炸药样品8GPa内的准等熵压缩线,多发实验获得的准等熵压缩线在该压力范围内一致,基于该状态方程的拟合参数对实验结果进行了流体动力学计算,计算结果与实验结果吻合较好。

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