Effect of Sensitizing Methods on the Detonation Performances of MgH2-based Hydrogen Storage Emulsion Explosives

被引:0
|
作者
Cheng Y.-F. [1 ,2 ]
Wang Q. [1 ,2 ]
Shen Z.-W. [2 ]
Gong Y. [1 ]
Tang Y.-F. [1 ]
Yuan H.-P. [1 ]
Qian H. [1 ]
机构
[1] School of Chemical Engineering, Anhui University of Science and Technology, Huainan
[2] Department of Modern Mechanics, University of Science and Technology of China, Hefei
来源
Wang, Quan (quanwang@aust.edu.cn) | 1600年 / Institute of Chemical Materials, China Academy of Engineering Physics卷 / 25期
关键词
Detonation performance; Emulsion explosive; Hydrogen storage material; Sensitization; Underwater explosion;
D O I
10.11943/j.issn.1006-9941.2017.02.013
中图分类号
学科分类号
摘要
To study the effect of sensitizing methods on the detonation performances of MgH2-based hydrogen storage emulsion explosives, the underwater explosion and brisance testing experiments of two kinds of hydrogen storage emulsion explosives were carried out. With the help of experimental data and theoretical analysis, the relationships between the work capability and brisance of MgH2-based hydrogen storage emulsion explosives were studied and the theory of using the specific impulse to express the brisance of explosive was adjusted. The results show that in the physical and chemical sensitization of MgH2-based hydrogen storage emulsion explosives, MgH2 powders play the roles of energetic additive and chemical foaming agents, respectively. Compared with the chemical sensitization, the specific shock wave energy, specific bubble energy and total energy of the physical sensitization of MgH2-based hydrogen storage emulsion explosives are decreased by 11.98%, 5.38% and 8.66%, respectively, but its brisance (lead block compression value) is increased by 5.15 mm, which means that sensitizing methods have significant impact on the work capability and brisance of MgH2-based hydrogen storage emulsion explosives. © 2017, Editorial Board of Chinese Journal of Energetic Materials. All right reserved.
引用
收藏
页码:167 / 172
页数:5
相关论文
共 20 条
  • [1] Wang X.-G., Emulsion Explosives, (1993)
  • [2] Ye Z.-W., Lu C.-X., Preparation and properties of high energy emulsion explosive, Chinese Journal of Explosives & Propellants, 29, 6, pp. 6-15, (2006)
  • [3] Biegan'ska J., Using nitrocellulose powder in emulsion explosives, Combustion, Explosion, and Shock Waves, 47, 3, pp. 366-368, (2011)
  • [4] Mei Z.-H., Qian H., Liu D.-B., Et al., Preparation of emulsion explosive for military-civil, Chinese Journal of Explosives & Propellants, 35, 1, pp. 32-34, (2012)
  • [5] Chen D.-L., Sun J.-H., Yan S.-L., Et al., Relationship between structure changes and desensitization of emulsion explosives under dynamic pressure, Chinese Journal of Energetic Materials(Hanneng Cailiao), 14, 4, pp. 302-305, (2006)
  • [6] Matsuzawa T., Murakami M., Detonability of emulsion explosives under dynamic pressure, Journal of the Industrial Explosives Society(Japan), 43, 5, pp. 317-322, (1982)
  • [7] Ma H., Cheng Y., Shen Z., Et al., Magnesium hydride type hydrogen-stored emulsion explosive
  • [8] Cheng Y., Ma H., Shen Z., Detonation characteristics of emulsion explosives sensitized by MgH<sub>2</sub>, Combustion, Explosion, and Shock Waves, 49, 5, pp. 614-619, (2013)
  • [9] Cheng Y., Ma H., Shen Z., Explosion power and pressure desensitization resisting property of emulsion explosives sensitized by MgH<sub>2</sub>, Journal of Energetic Materials, 32, pp. 207-218, (2014)
  • [10] Cheng Y., Ma H., Shen Z., Pressure desensitization influential factors and mechanism of magnesium hydride sensitized emulsion explosives, Propellants, Explosives, Pyrotechnics, 39, pp. 267-274, (2014)