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含能材料  2013 

含能钾盐消焰剂对硝胺改性双基推进剂性能的影响

Keywords: 物理化学,消焰剂,硝胺改性双基推进剂,低特征信号,燃烧性能,热分解

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Abstract:

用燃速测试、DSC实验、发动机羽焰测定和红外热像仪,对比研究了在硝胺改性双基推进剂配方中加入含能亚硝酸复合钾盐(KE)和K2SO4,对推进剂燃烧性能、热分解特性和发动机羽焰的影响,并初步探讨了其影响机理。结果表明,与K2SO4相比,KE能够促进NC/NG双基组分和RDX的热分解,降低推进剂热分解放热量的程度较小,对推进剂燃烧性能的影响较小,且抑制硝胺改性双基推进剂二次燃烧的效果也较好。

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