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含能材料  2011 

固体推进剂慢速烤燃特性的影响因素研究

DOI: 10.3969/j.issn.1006-9941.2011.06.016

Keywords: 物理化学,固体推进剂,慢速烤燃,影响因素

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Abstract:

以HTPE推进剂、GAP推进剂为对象,采用慢速烤燃试验装置结合热电偶测温及传感器测压技术,研究了固体推进剂慢速烤燃特性的影响因素,包括配方组成、燃速、升温速率、约束条件、自由体积等。HTPE推进剂具有优异的慢速烤燃特性,10%HMX的加入使其慢速烤燃的响应程度增加,自由体积对其慢速烤燃的响应程度没有明显影响;燃速从10.1mm·s-1增加到32.2mm·s-1,升温速率从3.3℃·h-1增加到1℃·min-1,对GAP推进剂慢速烤燃的响应程度影响较小;增加夹板约束后,HTPE推进剂和GAP推进剂慢速烤燃的响应程度增加。

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