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含能材料  2011 

黑索今基含硼炸药的爆热性能

DOI: 10.3969/j.issn.1006-9941.2011.04.001

Keywords: 物理化学,黑索今,,爆轰,爆热,含硼炸药

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Abstract:

为了研究黑索今(RDX)基含硼(B)炸药的能量特性,采用GJB772A-1997方法701.1对7种含硼粉的RDX炸药:RDX/B/EVA(乙烯-醋酸乙烯共聚物)-90/8/2、RDX/B/EVA-88/10/2、RDX/B/EVA-86/12/2、RDX/B/EVA-83/15/2、RDX/B/EVA-78/20/2、RDX/B/EVA-75/23/2、RDX/B/EVA-68/30/2的爆热进行了测试并进行了理论计算。结果表明,硼粉含量为8%~20%时,混合炸药的爆热与硼粉含量之间存在线性关系,硼粉能够提高混合炸药的爆热。测量和计算的最大爆热值分别是7162kJ·kg-1和8967kJ·kg-1,分别对应为B/O比为0.87的组分为RDX/B/EVA-78/20/2的含硼炸药和B/O比为0.61的组分为RDX/B/EVA-83/15/2的含硼炸药。当爆热值达到最大后,随硼粉含量的增加,爆热值减小。

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