[1]曾江保,刘杰,王龙祥,等.纳米HMX的制备及热性能分析和感度研究[J].爆破器材,2014,43(01):8-12.[doi:10.3969/j.issn.1001-8352.2014.01.002]
　ZENG Jiangbao,LIU Jie,WANG Longxiang,et al.Preparation, Thermal Performance Analysis and Sensitivities Study of Nano HMX[J].EXPLOSIVE MATERIALS,2014,43(01):8-12.[doi:10.3969/j.issn.1001-8352.2014.01.002]
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纳米HMX的制备及热性能分析和感度研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
43
期数:
2014年01
页码:
8-12
栏目:
基础理论
出版日期:
2014-02-20

文章信息/Info

Title:
Preparation, Thermal Performance Analysis and Sensitivities Study of Nano HMX
文章编号:
4689
作者:
曾江保; 刘杰; 王龙祥; 刘巧娥; 李青; 王毅; 姜炜; 李凤生
南京理工大学国家特种超细粉体工程技术研究中心（江苏南京，210094）
Author(s):
ZENG Jiangbao;  LIU Jie;  WANG Longxiang;  LIU Qiaoe;  LI Qing;  WANG Yi;  JIANG Wei;  LI Fengsheng
National Spercial Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
纳米HMX; 制备; 机械球磨; 热性能; 感度
Keywords:
Nano HMX;  Preparation;  mechanical milling;  Thermal performance;  Sensitivities
分类号:
TJ55;TQ564.4+2
DOI:
10.3969/j.issn.1001-8352.2014.01.002
文献标志码:
A
摘要:
采用机械球磨法批量制备了纳米奥克托今（HMX），用激光粒度仪分析其粒度分布，并用扫描电子显微镜（SEM）观察其大小和形貌；使用热重分析仪（TG）和差示扫描量热仪（DSC）分析其热分解特性和热安定性；同时对纳米HMX的5 s爆发点和感度进行了测试。结果表明，制备的HMX颗粒大部分在100 nm以下;与原料HMX相比，纳米HMX的最大热失重温度降低了3.66℃，表观活化能Ea降低了11.19 kJ/mol，自发火温度降低了2.11K;5 s爆发点降低了4.9℃，纳米HMX的静电感度和火焰感度与原料HMX相当，纳米HMX的摩擦感度、撞击感度和冲击波感度分别降低了32.5%、20.2%和56.4%。
Abstract:
Nano HMX was prepared by the ball milling method. The particle size distribution was analyzed by a laser particle size analyzer. At the same time, the particle size and the morphology of nano HMX were characterized through SEM. The thermal decomposition features and thermal stability of nano HMX were examined by a TG/DSC. Furthermore, the explosion temperature in five seconds and the sensitivities of nano HMX were also tested. It was found that most of the particles were below 100 nm. The maximum weight loss temperature, the apparent activation energy Ea, the selfignition temperature and the explosion temperature in five seconds were lower than those of raw HMX by 3.66℃, 11.19 kJ/mol, 2.11K and 4.9℃ respectively. The electrostatic sensitivity and the sensitivity to flame of nano HMX were the same as raw HMX. The friction, impact and shock sensitivities of nano HMX were decreased by 32.5%, 20.2% and 56.4%, respectively.

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备注/Memo

备注/Memo:
收稿日期：2013-08-09
基金项目：国家自然科学基金（51206081）; 中央高校基本科研业务费专项（30920130112003）
作者简介：曾江保（1989~），男，硕士研究生，主要从事含能材料超细化研究。通信作者：姜炜（1974~），男，副研究员，主要从事纳米含能材料的研究。
更新日期/Last Update: 2014-02-28