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含能材料  2014 

新型含能材料NOG2Tz对HMX热分解行为的影响

DOI: 10.3969/j.issn.1006-9941.2014.01.005

Keywords: 有机化学,含能材料,奥克托今NOG2Tz相容性,热分解

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Abstract:

采用差示扫描量热法(DSC)测试了奥克托今(HMX)和3,6-双(3-硝基-1,2,4-噁二唑-5-胍基)-1,2,4,5-四嗪(NOG2Tz)不同质量比混合炸药的分解温度。以多重升温速率DSC研究了HMX纯品及混合炸药(80%HMX+20%NOG2Tz)的热行为,计算了其表观活化能、指前因子、自加速分解温度、热爆炸临界温度。结果表明,当HMX的质量分数为80%时,混合炸药的分解峰温较纯品HMX升高2℃,表观活化能增加约70kJ·mol-1,混合炸药相容性较好,表明加入定量NOG2Tz(<50%)可以提高HMX的热安定性。

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