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含能材料  2014 

三基发射药烧蚀性影响因素的实验研究

DOI: 10.3969/j.issn.1006-9941.2014.03.022

Keywords: 材料学,发射药,烧蚀性,半密闭爆发器,烧蚀管,爆热,爆温

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Abstract:

为研究影响发射药烧蚀性的关键因素及其影响规律,制备了8种三基发射药样品,采用半密闭爆发器烧蚀管实验测定了烧蚀率,对比分析了爆热、爆温和燃气组分三因素与发射药烧蚀性之间的规律。结果表明,发射药的爆温是影响烧蚀性的关键因素,在3100~3700K范围内烧蚀率随着爆温的升高明显线性增加;发射药的爆热对烧蚀性的影响不明显,烧蚀时间或压力冲量对烧蚀性的影响更大;发射药燃气组分中H2O对烧蚀率的影响最大,但燃气组分对烧蚀性的影响关系复杂,难以进行单独的定量描述。

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