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[1]周国安,马宏昊,沈兆武,等.以黏土颗粒为惰性剂的低爆速乳化炸药爆炸性能及爆轰机理[J].火炸药学报,2018,41(3):289-293,302.[doi:10.14077/j.issn.1007-7812.2018.03.013]
 ZHOU Guo-an,MA Hong-hao,SHEN Zhao-wu,et al.Detonation Properties and Mechanism of Low Detonation Velocity Emulsion Explosives with Clay Particles as the Inert Agents[J].,2018,41(3):289-293,302.[doi:10.14077/j.issn.1007-7812.2018.03.013]
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以黏土颗粒为惰性剂的低爆速乳化炸药爆炸性能及爆轰机理()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
41卷
期数:
2018年第3期
页码:
289-293,302
栏目:
出版日期:
2018-06-29

文章信息/Info

Title:
Detonation Properties and Mechanism of Low Detonation Velocity Emulsion Explosives with Clay Particles as the Inert Agents
作者:
周国安 马宏昊 沈兆武 杨明 黄泽春 胡立鹏
1. 中国科学技术大学中国科学院材料力学行为和设计重点实验室, 安徽 合肥 230027;
2. 中国科学技术大学火灾科学国家重点实验室, 安徽 合肥 230027
Author(s):
ZHOU Guo-an MA Hong-hao SHEN Zhao-wu YANG Ming HUANG Ze-chun HU Li-peng
1. CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230027, China;
2. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, China
关键词:
黏土颗粒乳化炸药爆轰参数水下爆炸爆轰机理
Keywords:
clay particlesemulsion explosivedetonation parametersunderwater explosiondetonation mechanism
分类号:
TJ55;TD235.21
DOI:
10.14077/j.issn.1007-7812.2018.03.013
文献标志码:
-
摘要:
以黏土颗粒为惰性添加剂制备出一种新型乳化炸药;采用探针法和铅柱压缩法分别测得该新型乳化炸药的爆速及猛度,并对黏土颗粒降低乳化炸药爆速的机理进行分析;通过水下爆炸试验测得不同配方的水下爆炸参数。结果表明,当黏土颗粒和玻璃微球质量分数分别在0~20%和5%~15%时,新型乳化炸药的爆速为2 815~4 420 m/s,猛度为7.9~18.9 mm;通过实验结果拟合得到新型乳化炸药爆速、猛度的经验公式分别为:D=4 923.1-9 930a-2 980b(m/s)、Δh=23.3-74a-20b(mm),其中,a、b分别为新型乳化炸药中玻璃微球和黏土颗粒的质量分数;水下爆炸实验结果表明,黏土颗粒含量对水下爆轰参数有着显著影响,当其质量分数达20%时,新型乳化炸药的峰值压力、冲击波冲量、比冲击波能、比气泡能和总能量相比传统乳化炸药分别下降了33.34%、13.19%、67.67%、71.73%和70.96%。
Abstract:
A novel emulsion explosive is developed using clay particles as an inert additive. Its detonation velocity and brisance were measured by probe method and lead cylinder compression method, respectively. The mechanism of clay particles to reduce the detonation velocity of the emulsion explosive was analyzed. The underwater detonation parameters of different formulas were tested by underwater explosion experiments. The results show that when the mass fraction of clay particles is 0-20% and the mass fraction of grass microspheres is 5%-15%, the detonation velocity of the novel emulsion explosive is 2 815-4 420 m/s and the brisance is 7.9-18.9 mm. The empirical formulas of detonation velocity and brisance of the novel emulsion explosive obtained by fitting experimental results are D=4 923.1-9 930a-2 980b(m/s) and Δh=23.3-74a-20b(mm) respectively, of which, a and b are the mass fraction of clay particles and grass microspheres, respectively. The results of the underwater explosion experiments reveal that the clay particle content has a significant influence on the results of underwater detonation parameters. When the mass fraction reaches 20%, the peak over pressure, shock wave impulse, specific shock wave energy, specific bubble energy and specific total energy of novel emulsion explosive decrease by 33.34%, 13.19%, 67.67%, 71.73% and 70.96%, respectively, compared with traditional emulsion explosives.

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备注/Memo

备注/Memo:
收稿日期:2018-01-08;改回日期:2018-04-09。
基金项目:国家自然科学基金(No.51674229、No.51374189);中央高校基本科研业务费专项资金(WK2480000002)
作者简介:周国安(1995-),男,硕士研究生,从事胶体乳化炸药的改性及应用研究。E-mail:guoanzh@mail.ustc.edu.cn
通讯作者:马宏昊(1980-),男,博士,副教授,从事爆破器材与工业安全等领域的研究。E-mail:hhma@ustc.edu.cn
更新日期/Last Update: 1900-01-01