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含能材料  2015 

不同粒度铝粉在HMX基炸药中的能量释放特性

DOI: 10.11943/j.issn.1006-9941.2015.10.013

Keywords: 爆轰 铝粉粒度 准静态压力 密闭条件 含铝炸药

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Abstract:

为研究铝粉在HMX基炸药中的能量释放特性, 采用压力传感器对不含铝粉的HMX/HTPB 88/12炸药及含有粒度为13, 130 μm铝粉的HMX/Al/HTPB 53/35/12炸药在密闭空间中爆炸后的准静态压力进行了测量。结果表明: HMX/HTPB 88/12和HMX/Al/HTPB 53/35/12炸药爆炸后在密闭条件下均能产生准静态压力。HMX/Al/HTPB 53/35/12炸药的准静态压力是HMX/HTPB 88/12炸药的1.24倍。铝粉颗粒度分别是13 μm和130 μm的HMX/Al/HTPB 53/35/12-炸药在密闭空间中爆炸产生的准静态压力分别是378 kPa和347 kPa, 说明内爆条件下, 当铝粉含量为35%时, 与含大颗粒铝粉炸药相比, 含小粒度铝粉炸药能够释放更多能量, 提高密闭空间中的准静态压力

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