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含能材料  2012 

环氧树脂和石墨对高氯酸钾类烟火药撞击感度的影响

DOI: 10.3969/j.issn.1006-9941.2012.03.008

Keywords: 物理化学,烟火药,粘合剂,石墨,撞击感度,热重-差热分析

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Abstract:

为了揭示高氯酸钾类烟火药的安全性,制备了本工作称为样品1#~7#的7种50/50/m/n-KClO4/Al/环氧树脂/石墨混合物体系(m=n=0;m=3,n=0;m=5,n=0;m=5,n=1;m=5,n=2;m=5,n=3;m=5,n=4)。用GJB772A-1997-601.1,热重-差热分析(TG-DTA)和扫描电子显微镜(SEM)研究了环氧树脂和石墨对高氯酸钾类烟火药撞击感度的影响。结果表明:样品1#~7#的撞击感度爆炸百分数分别为0,60,76,40,12,2和0。与样品1#比较,样品1#中加入环氧树脂使样品2#和3#的撞击感度爆炸百分数升高,且随样品1#中环氧树脂含量的增加,撞击感度爆炸百分数升高。与样品3#比较,样品3#中加入石墨使样品4#~7#的撞击感度爆炸百分数降低,且随样品3#中石墨含量的增加,撞击感度爆炸百分数以4#>5#>6#>7#次序降低。探讨了环氧树脂对KClO4/Al二元体系起增感作用和石墨起减感作用的原因。

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