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超级铝热剂Al/Fe2O3的制备、表征及对环三亚甲基三硝胺热分解的影响

ZHAO Ning-Ning,HE Cui-Cui,LIU Jian-Bing,MA Hai-Xia,Ting An,ZHAO Feng-Qi,HU Rong-Zu

Wuli Huaxue Xuebao/ Acta Physico - Chimica Sinica（2013）

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Abstract
采用水热法制备了中空短棒状纳米Fe2O3,并用超声分散法将其与纳米Al颗粒复合为单金属氧化基超级铝热剂.利用X射线粉末衍射(XRD)、傅里叶变换红外(FTIR)光谱、扫描电镜及能量散射光谱仪(SEM-EDS)对样品进行表征.并运用差示扫描量热法(DSC)对比研究了超级铝热剂Al/Fe2O3、Al粉和纳米Fe2O3对环三亚甲基三硝胺(RDX)热分解特性的影响.结果表明:超级铝热剂的加入改变了RDX的热分解过程,并加剧了RDX的二次气相反应;随着超级铝热剂含量的增加,RDX的分解峰峰形发生了明显的改变;Al/Fe2O3、Al粉和Fe2O3对RDX热分解的作用主要表现为二次分解峰逐渐明显且峰温降低.
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Key words
Cyclotrimethylene trinitramine,Hydrothermal method,Nano-Fe2O3,Superthermite Al/Fe2O3,Thermal decomposition,Ultrasonically dispersed method
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