高氯酸铵包覆层对硼粉燃烧性能的影响

doi:10.3969/j.issn.1000-1093.2014.02.009

兵工学报 ›› 2014, Vol. 35 ›› Issue (2): 194-199.doi: 10.3969/j.issn.1000-1093.2014.02.009

高氯酸铵包覆层对硼粉燃烧性能的影响

谢中元₁, 周霖²，王浩¹，赵凯¹，罗一鸣¹，张宏亮³

(1.西安近代化学研究所, 陕西西安 710065；2. 北京理工大学爆炸科学与技术国家重点实验室，北京 100081；3.中国兵器科学研究院，北京 100089）

收稿日期:2013-05-07 修回日期:2013-05-07 上线日期:2014-03-25
作者简介:谢中元(1982—)，男，副研究员，博士
基金资助:
国家“863”计划项目（A2220061374）

Combustion Performance of Boron Coated with AP

XIE Zhong-yuan¹, ZHOU Lin², WANG Hao¹, ZHAO Kai¹, LUO Yi-ming¹, ZHANG Hong-liang³

（1. Xi’an Modern Chemistry Research Institute, Xi’an 710065, Shaanxi, China;2. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;3. China Research and Development Academy of Machinery Equipment, Beijing 100089, China）

Received:2013-05-07 Revised:2013-05-07 Online:2014-03-25

摘要/Abstract

摘要： 为揭示高氯酸铵（AP）包覆层对硼燃烧性能的影响规律，采用溶剂蒸发法制备了AP包覆硼（AP/B）复合粒子。借助扫描电镜评估了AP/B复合粒子的包覆效果，利用CO₂激光点火装置研究了AP/B复合粒子点火燃烧特性，通过量热弹测试了DNTF基AP/B复合粒子炸药的爆热值。结果表明：严格控制溶剂蒸发法工艺参数可使AP均匀地析出在硼的表面上，并实现硼的较好包覆；AP包覆层可以改善硼的燃烧完全性，AP/B复合粒子相比于硼粉以及AP燃烧更为剧烈且光照强度瞬间增至最大值；AP/B复合粒子可明显提高炸药能量释放率，DNTF基AP/B复合粒子炸药爆热值（7 696 kJ/kg）较相同配方未包覆炸药爆热值（7 208 kJ/kg）提高6.5%以上。为揭示高氯酸铵（AP）包覆层对硼燃烧性能的影响规律，采用溶剂蒸发法制备了AP包覆硼（AP/B）复合粒子。借助扫描电镜评估了AP/B复合粒子的包覆效果，利用CO₂激光点火装置研究了AP/B复合粒子点火燃烧特性，通过量热弹测试了DNTF基AP/B复合粒子炸药的爆热值。结果表明：严格控制溶剂蒸发法工艺参数可使AP均匀地析出在硼的表面上，并实现硼的较好包覆；AP包覆层可以改善硼的燃烧完全性，AP/B复合粒子相比于硼粉以及AP燃烧更为剧烈且光照强度瞬间增至最大值；AP/B复合粒子可明显提高炸药能量释放率，DNTF基AP/B复合粒子炸药爆热值（7 696 kJ/kg）较相同配方未包覆炸药爆热值（7 208 kJ/kg）提高6.5%以上。

关键词: 兵器科学与技术, 含硼炸药, 高氯酸铵/硼复合粒子, 高氯酸铵包覆层, 燃烧性能, 爆热

Abstract: In order to study the combustion performance of boron (B) coated with AP, the AP/B composite particles are prepared by solvent evaporation method. SEM is used to observe the surface morphology of coating layers. The CO₂ laser ignition devices are selected to study its ignition and combustion characteristics. A calorimetric bomb is used to test the explosion heat of DNTF-based explosives with AP/B composite particles. Experiment results show that AP is homogeneously crystallized on the surface of boron and the fine coating layers can be obtained by strictly controlling the technical parameters and using the solvent evaporation method. In comparison with classical boron particles, the combustion characteristics of AP/B composite particles are significantly improved, and the light intensity is instantaneously approximated to its maximum value. The explosion heat (7 696 kJ/kg) of DNTF-based explosives with AP/B composite particles is 6.5 percent higher than that of uncoated explosive (7 208 kJ/kg), which indicates that the release energy can be effectively increased by coating technique.

Key words: ordnance science and technology, boron-containing explosive, AP/B composite particle, AP coating layer, combustion performance, explosion heat

中图分类号:

TJ012.1

谢中元₁, 周霖，王浩，赵凯，罗一鸣，张宏亮. 高氯酸铵包覆层对硼粉燃烧性能的影响[J]. 兵工学报, 2014, 35(2): 194-199.

XIE Zhong-yuan, ZHOU Lin, WANG Hao, ZHAO Kai, LUO Yi-ming, ZHANG Hong-liang. Combustion Performance of Boron Coated with AP[J]. Acta Armamentarii, 2014, 35(2): 194-199.

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高氯酸铵包覆层对硼粉燃烧性能的影响

Combustion Performance of Boron Coated with AP

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