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含能材料  2010 

球形化HMX制备及性能研究

DOI: 10.3969/j.issn.1006-9941.2010.05.006

Keywords: 物理化学,球形HMX,堆积密度,力学性能

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Abstract:

对溶剂侵蚀法进行了改进,获得了一种能够制备表面光滑球形HMX晶体颗粒的方法。用光学显微镜、扫描电镜和激光粒度仪表征了球形HMX的粒度和形貌,采用差示扫描量热法(DSC)比较了球形化前后HMX的热性能,用标准容器法和压缩刚度法分别测试了球形化前后HMX晶体的堆积密度和力学性能。研究结果表明,球形化后HMX呈球形度高,表面光滑,该方法不改变原有HMX的颗粒粒径分布,对热性能和机械感度未产生影响,但可将松装堆积密度提高13%以上,力学性能也得到了明显改善。

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