|本期目录/Table of Contents|

[1]李雪交,缪广红,杨明,等.蜂窝型低爆速乳化炸药的制备及应用[J].火炸药学报,2018,41(2):153-158.[doi:10.14077/j.issn.1007-7812.2018.02.009]
 LI Xue-jiao,MIAO Guang-hong,YANG Ming,et al.Preparation and Application of Low Detonation Emulsion Explosive with Honeycomb Structure[J].,2018,41(2):153-158.[doi:10.14077/j.issn.1007-7812.2018.02.009]
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蜂窝型低爆速乳化炸药的制备及应用()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
41卷
期数:
2018年第2期
页码:
153-158
栏目:
出版日期:
2018-04-27

文章信息/Info

Title:
Preparation and Application of Low Detonation Emulsion Explosive with Honeycomb Structure
作者:
李雪交 缪广红 杨明 汪泉 马宏昊 沈兆武 黄文尧 毕志雄
1. 安徽理工大学化学工程学院, 安徽 淮南 232001;
2. 安徽理工大学力学与光电物理学院, 安徽 淮南 232001;
3. 中国科学技术大学近代力学系材料力学行为和设计重点实验室, 安徽 合肥 232007
Author(s):
LI Xue-jiao MIAO Guang-hong YANG Ming WANG Quan MA Hong-hao SHEN Zhao-wu HUANG Wen-yao BI Zhi-xiong
1. School of Chemical Engineering, Anhui University of Science & Technology, Huainan Anhui 232001, China;
2. School of Mechanics and Optoelectronic Physics, Anhui University of Science and Technology, Huainan Anhui 232001, China;
3. CSC Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 232007, China
关键词:
玻璃微球爆速蜂窝结构乳化炸药爆炸复合
Keywords:
glass microspheredetonation velocityhoneycomb emulsion explosiveexplosion welding
分类号:
TJ55;TQ56
DOI:
10.14077/j.issn.1007-7812.2018.02.009
文献标志码:
-
摘要:
针对目前爆炸复合炸药存在的问题,采用玻璃微球作为敏化剂和稀释剂,通过改变玻璃微球尺寸与含量,利用电测法测量爆速,研究其对乳化炸药爆轰性能的影响;制备爆速为2 530.5 m/s的蜂窝结构乳化炸药,分析了玻璃微球尺寸和含量对乳化炸药密度及爆速的影响;然后进行铜/钢爆炸复合,再通过金相显微镜(OM)观察复合板界面的结合性能。结果表明,小尺寸(粒径为5~100 μm)玻璃微球的敏化效果和调节爆速效果均比大尺寸(粒径为70~200 μm)玻璃微球的要好;乳化炸药的玻璃微球质量分数小于1%或者大于40%时,均会发生拒爆现象;小尺寸(粒径为5~100 μm)玻璃微球的质量分数在5%~30%时,随着玻璃微球含量的增加,乳化炸药爆速从4 915 m/s降至1 923 m/s,密度从1.14 g/cm3降至0.70 g/cm3;爆速2 530.5 m/s的铝蜂窝结构炸药临界厚度为9 mm,蜂窝板可以降低乳化炸药的临界直径;铜/钢复合板界面呈小波状,具有良好的结合质量。
Abstract:
Aiming at the existing problems of explosion welding explosive, glass microspheres are used as sensitizing agent and diluent, by changing the size and content of glass microsphere, the effect of size and content of glass microsphere on detonation properties of emulsion explosive were studied by using electrical measuring methods to measure detonation velocity. Aluminum honeycomb explosive with the detonation velocity of 2 530.5 m/s was manufactured, and the effect of size and content of glass microsphere on the density and detonation velocity of emulsion explosive was studied. Copper/steel explosion welding was conducted and the bonding quality of the clad plate at the interface was observed by metallographic microscope (OM). The results show that sensitization effect and detonation velocity adjustment effect of glass microsphere with small size (particle diameter:5-100 μm) are good than those of glass microsphere with large size (particle diameter:70-200 μm). When glass microsphere content of emulsion explosive is less than 1% or greater than 40%, the phenomenon of misfire will happen. When glass microsphere content with small size (particle diameter:5-100 μm) is greater than 5% and less than 30%, detonation velocity and density of emulsion explosive respectively decrease from 4 915 m/s to 1923m/s and from 1.14 g/cm3 to 0.70 g/cm3 with the increase of glass microsphere content. The critical thickness of aluminum honeycomb explosive with the detonation velocity of 2 530.5 m/s is 9 mm.The aluminum honeycomb panel can decrease the critical diameter of emulsion explosive. The interface of copper/steel clad plate shows small wave shape and has good bonding quality.

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备注/Memo

备注/Memo:
收稿日期:2017-10-31;改回日期:2018-02-05。
基金项目:国家自然科学基金(No.11502001);中国博士后基金面上项目(No.2014M561808);安徽省高校自然科学基金重点项目(No.KJ2017A089)
作者简介:李雪交(1986-),男,博士,讲师,从事爆炸力学与爆炸安全性研究。E-mail:117896855@qq.com
更新日期/Last Update: 1900-01-01