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[1]张帆,李斌栋.TEX对HMX的包覆降感[J].火炸药学报,2018,41(4):394-398,403.[doi:10.14077/j.issn.1007-7812.2018.04.013]
 ZHANG Fan,LI Bin-dong.Study on Sensitivity Reduction of HMX Coated with TEX[J].,2018,41(4):394-398,403.[doi:10.14077/j.issn.1007-7812.2018.04.013]
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TEX对HMX的包覆降感()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
41卷
期数:
2018年第4期
页码:
394-398,403
栏目:
出版日期:
2018-08-23

文章信息/Info

Title:
Study on Sensitivity Reduction of HMX Coated with TEX
作者:
张帆 李斌栋
南京理工大学化工学院, 江苏 南京 210094
Author(s):
ZHANG Fan LI Bin-dong
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
关键词:
HMXTEX包覆降感粒度级配溶液-水悬浮包覆法
Keywords:
HMXTEXcoatingsensitivity reductionparticle gradationsolvent-aqueous suspension coating method
分类号:
TJ55;O641
DOI:
10.14077/j.issn.1007-7812.2018.04.013
文献标志码:
-
摘要:
为降低HMX的机械感度并保持其爆轰性能,采用溶液-水悬浮包覆法,利用4,10-二硝基-2,6,8,12-四氧杂-4,10-二氮杂四环[5.5.0.05,9.03,11]十二烷(TEX)和氟橡胶F2603对HMX进行包覆降感;考察了TEX与HMX的粒度级配、主炸药质量比以及黏结剂用量对包覆炸药感度的影响;观察了TEX/HMX包覆炸药的微观形貌,测试其晶型结构、撞击感度、摩擦感度和爆速等参数,并进行了对比分析。结果表明,TEX可在HMX的表面形成保护层;黏结剂F2603质量分数3%时为最佳用量,且包覆后HMX的晶型保持不变,仍为β型;超细TEX(d50=4.532 μm)和HMX(d50=10.234 μm)粒度级配下的降感效果最好,与原料HMX相比,TEX/HMX(质量分数30% TEX)混合炸药的撞击感度和摩擦感度分别降低了48%和68%,在装药密度为1.72 g/cm3时的实测爆速可达到7 932 m/s。
Abstract:
To reduce the mechanical sensitivity of HMX and maintain its detonation performance, the sensitivity reduction of coated HMX was carried out using 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo-[5.5.0.05,9.03,11] dodecane (TEX) and fluoro rubber F2603 via solvent-aqueous suspension coating method. The influence of particle gradation of TEX and HMX, mass ratio of main explosives TEX and HMX, and the amount of binder on the sensitivity of mixed explosive was studied. The micro morphology of TEX/HMX mixed explosive was coated, its crystal structure, impact sensitivities, friction sensitivities, and the detonation velocities etc. parameters were measured, and the comparative analysis was carried out. The results show that the protective layer can be formed on the surface of HMX. For binder F2603, the optimum dosage is mass fraction of 3%, and the crystal form of HMX remains unchanged after being coated, HMX is still β type. The effect of decreasing sensitivity under the particle gradation of superfine TEX (d50=4.532 μm) and HMX (d50=10.234 μm) is the best. Compared with raw HMX, the impact and friction sensitivity of the TEX/HMX (mass fraction 30%TEX) composite explosives reduce by 48% and 68%, respectively, and the measured detonation velocity can reach 7 932 m/s at a loading density of 1.72 g/cm3.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-01-09;改回日期:2018-05-20。
作者简介:张帆(1993-),男,硕士研究生,从事含能材料改性研究。E-mail:18251959035@163.com
通讯作者:李斌栋(1972-),男,研究员,从事含能材料合成及改性研究。E-mail:libindong@njust.edu.cn
更新日期/Last Update: 1900-01-01