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弹道学报  2015 

DNTF在螺压高能硝胺改性双基推进剂中的应用

Keywords: 改性双基推进剂,-二硝基呋咱基氧化呋咱,工艺性能,力学性能,燃烧特性

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Abstract:

为探索3,4-二硝基呋咱基氧化呋咱(DNTF)对改性双基推进剂(RDX/Al/CMDB)的影响,以DNTF逐渐取代螺压高能硝胺改性双基推进剂中的RDX进行验证试验。表征了引入DNTF后改性双基推进剂的工艺性能、力学性能、燃烧性能、安全性能以及能量特性。研究结果表明:DNTF的引入对推进剂加工工艺性能及化学安定性无不良影响;DNTF的引入不仅可以提高推进剂能量,对改善推进剂力学性能以及降低机械感度也是有益的。DNTF的引入可以适当提高推进剂燃速;在引入的DNTF含量不超过10%时,燃速压力指数所受影响不明显。

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