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含能材料  2014 

高格尼能钝感浇注PBX设计及性能

DOI: 10.3969/j.issn.1006-9941.2014.04.012

Keywords: 化学工程,高聚物粘结炸药(PBX),格尼能,低易损性,爆速

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Abstract:

通过系列浇注高聚物粘结炸药(PBX)的爆轰性能,拟合得到爆速与HMX含量的线性关系,研究了HMX颗粒特性及钝感剂含量对混合炸药机械感度的影响。结果表明,采用高品质HMX和3%的钝感剂时,混合炸药的安全性最好。在此基础上设计制备了一种组成及性能与B2273A(HMX/丁羟粘结剂90/10)接近的HMX基高固相浇注PBX炸药GO-1(HMX/丁羟粘结剂90/10)。其摩擦感度和撞击感度分别为5%和0,冲击波感度I50为17.7mm,爆速为8587m·s-1,格尼系数为2.80,爆轰性能、金属加速能力和安全性能优良,该炸药在枪击试验、烤燃试验中均为燃烧的低反应等级。

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