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含能材料  2011 

绝热加速量热仪表征含能材料热感度的探讨

DOI: 10.3969/j.issn.1006-9941.2011.06.013

Keywords: 物理化学,安全工程,热感度,含能材料,绝热加速量热仪,爆炸延滞期,爆发点

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Abstract:

对现有的固体含能材料热感度表征方法进行了简述,并针对现有表征方法无法适用于液态含能材料热感度测试的局限性,提出了采用绝热加速量热仪(ARC)表征含能材料热感度的方法。用ARC测试了4种固体含能材料太安(PETN)、黑索今(RDX)、奥克托今(HMX)、梯恩梯(TNT)以及2种液态含能材料硝基乙烷(NE)、硝酸异辛酯(EHN)的绝热分解过程,根据所得热动力学数据计算得出了这些被测试样不同爆炸延滞期对应的爆发点。就4种固体含能材料而言,ARC测试得到的热感度排序为PETN>RDX>HMX>TNT,此结果与传统的伍德合金浴法的测试结论一致,认为ARC可以应用于固体及液态含能材料的热感度测试。6种被测试样的热感度排序为EHN>PETN>RDX>HMX>TNT>NE。

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