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含能材料  2011 

以环状硝胺为基的几种塑料黏结炸药的初步研究(英文)

DOI: 10.3969/j.issn.1006-9941.2011.01.003

Keywords: 爆炸力学,塑料黏结炸药,摩擦感度,撞击感度,爆速

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Abstract:

用聚异丁烯(PIB),丙烯腈-聚丁橡胶(ABR),维通A黏结剂和RDX,HMX,BCHMX和ε-HNIW四种硝胺炸药制备了一系列塑性炸药。PETN和以PETN为基的三种塑性炸药用于比较。测试了这些炸药的爆速,撞击和摩擦感度。摩擦感度与撞击感度的关系以及两种感度与D2的关系表明摩擦力向硝胺炸药分子反应中心的转移机理不同于撞击能的转移机理。从摩擦和撞击反应的相互比较以及降低ε-HNIW感度等级中发现撞击感度依赖于硝铵炸药的晶体品质,而摩擦感度的依赖却不明显。测试爆速D与含PIB和ABR黏结剂的PBX装药密度之间的关系表明,ε-HNIW的密度为2.04g?cm-3时,爆速D为9.800mm?μs-1。

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