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含能材料  2012 

环氧树脂复合材料端面包覆多孔粒状发射药的初步研究

DOI: 10.3969/j.issn.1006-9941.2012.02.005

Keywords: 高分子化学,发射药,环氧树脂,端面包覆,开孔率

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Abstract:

为了消除大口径火炮主装药粒在燃烧过程中端面的减面燃烧,改善火炮的弹丸行程压力曲线,以25/37硝基胍发射药做基药,在研究不同阻燃剂含量环氧树脂复合材料的力学性能、热膨胀性能、固化性能和相应配方包覆药开孔率的基础上,对包覆药的开孔率与包覆材料的组成和性能之间的关系进行了分析比较,最后得出结论:当混合阻燃剂(m(石英)m(二氧化钛)=12)占E44环氧树脂树脂(含43%的650聚酰胺固化剂)质量的40%,外加10%11的醇酮混合稀释剂时,在室温下固化可以得到开孔率达到99%以上的端面阻燃包覆药粒。

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