纳米级奥克托今的制备及性能研究

doi:10.3969/j.issn.1000-1093.2013.02.008

摘要/Abstract

摘要：

研究了使用HLG-50型粉碎机制备纳米奥克托今（HMX），以及应用纳米激光粒度仪跟踪其粒度分布，并通过扫描电子显微镜（SEM）观察其颗粒大小；采用傅里叶变换红外光谱（FT-IR）、拉曼光谱（Raman spectra）、X射线衍射（XRD）以及电感耦合等离子体发射光谱（ICP-AES）检测其成分，研究其纯度；使用热

重（TG）和差示扫描量热法（DSC）分析其热分解特性；同时表征了纳米HMX的摩擦感度、撞击感度和冲击波感度。结果表明，制备获得的纳米HMX产品其颗粒粒径大部分在100nm以下，并且引入的杂质极少；纳米HMX的热分解峰温度较原料HMX稍有提前，其摩擦感度与原料相比有较大幅度下降，撞击感度和冲击波感度分别降低132.6%和60.0%，安全性能明显提高，具有良好的应用前景，并对纳米HMX的降感机理进行了分析。

关键词: 兵器科学与技术, 钝感, 纳米HMX, 纯度, 热分解, 感度, 降感机理

Abstract:

Nano octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine (HMX) was prepared by the use of pulverized machine HLG50. The size distribution was traced by the nano laser particle size analyzer, and the particle size was characterized by SEM. The contaminants were detected by the use of FT-IR, Raman spectra, XRD and ICP-AES. The thermal decomposition of nano HMX was described by the TG/DSC simultaneous thermal analyzer. The friction, impact and shock

sensitivities were tested to indicate the stability. The result shows that the diameters of the most particles are less than 100nm and the impurities in the product were absolutely few. The peak temperature of its thermal decomposition decreased a little compared with the raw materials. The friction sensitivity reduced by a large margin, particularly the impact and the shock sensitivities decreased 132.6% and 60.0%, respectively. The stability increased so much that there would be a good application. By the way, the mechanism of reduced sensitivity was discussed.

Key words: ordnance science and technology, reduced sensitivity, nano HMX, purity, thermal decomposition, sensitivity, sensitivity reduction mechanism

刘杰，姜炜，李凤生，王毅，周赛，鲍克伟. 纳米级奥克托今的制备及性能研究[J]. 兵工学报, 2013, 34(2): 174-180.

LIU Jie, JIANG Wei, LI Feng-sheng, WANG Yi, ZHOU Sai, BAO Ke-wei. Preparation and Study of Nano Octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine[J]. Acta Armamentarii, 2013, 34(2): 174-180.

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纳米级奥克托今的制备及性能研究

Preparation and Study of Nano Octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine

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