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含能材料  2011 

纳米复合Fe2O3/Al/RDX的制备与性能测试

DOI: 10.3969/j.issn.1006-9941.2011.06.030

Keywords: 应用化学,溶胶-凝胶法,复合材料,机械感度,爆速

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Abstract:

采用溶胶-凝胶法,结合超临界CO2流体干燥技术,制备了85%RDX的Fe2O3/Al/RDX含能材料。利用扫描电子显微镜(SEM)对样品进行了表征,其粒度为50~150nm。对比测试了样品和原料RDX撞击感度、摩擦感度,样品的特性落高比原料RDX(2.5kg,22.5cm,12型工具)提高27.7cm,其爆炸百分数比原料RDX(90°,3.92MPa,96%)降低88%。含RDX85%的Fe2O3/Al/RDX含能材料压制成密度为1.55g·cm-3的药柱,爆速为7185m·s-1,是一种钝感高能的纳米复合含能材料。

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