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含能材料  2012 

复合球形药对改性双基推进剂力学性能和燃烧性能的影响

DOI: 10.3969/j.issn.1006-9941.2012.05.016

Keywords: 物理化学,复合球形药,改性双基推进剂,力学性能,压强指数

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Abstract:

将RDX、铝粉、催化剂等用硝化棉包覆,制成复合球形药,然后用这种复合球形药制备出改性双基推进剂,测试了这种推进剂的力学性能和燃烧性能。结果表明,采用复合球形药制备的改性双基推进剂比用双基球形药制备的改性双基推进剂的力学性能大幅度提高,低温断裂延伸率从7.84%提高到26.86%,高温最大拉伸强度提高了0.97倍,燃速压强指数从0.38降低到0.30。

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