[1]谢锐①,袁玉红①②,储召栋①,等.TiH2粉末对乳化炸药热分解特性和气体产物成分的影响[J].爆破器材,2025,54(03):34-41.[doi:10.3969/j.issn.1001-8352.2025.03.006]
　XIE Rui,YUAN Yuhong,CHU Zhaodong,et al.Effect of TiH2 Powder on Thermal Decomposition Characteristics and Gas Product Compositions of Emulsion Explosives[J].EXPLOSIVE MATERIALS,2025,54(03):34-41.[doi:10.3969/j.issn.1001-8352.2025.03.006]
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TiH2粉末对乳化炸药热分解特性和气体产物成分的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
54
期数:
2025年03
页码:
34-41
栏目:
爆炸材料
出版日期:
2025-06-04

文章信息/Info

Title:
Effect of TiH2 Powder on Thermal Decomposition Characteristics and Gas Product Compositions of Emulsion Explosives
文章编号:
5994
作者:
谢锐①; 袁玉红①②; 储召栋①; 李子涵③; 韦箫①
①安徽红星机电科技股份有限公司(安徽合肥, 231135)
②南京理工大学化学与化工学院(江苏南京, 210094)
③安徽理工大学化工与爆破学院(安徽淮南, 232001）
Author(s):
XIE Rui①;  YUAN Yuhong①②;  CHU Zhaodong①;  LI Zihan③;  WEI Xiao①
① Anhui Hongxing Electromechanical Technology Co., Ltd. (Anhui Hefei, 231135)
② School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
③ School of Chemical and Blasting Engineering, Anhui University of Science and Technology (Anhui Huainan, 232001)
关键词:
乳化炸药; TiH2 粉末; 高威力; 热分解; 安全性
Keywords:
emulsion explosive;  TiH2 powder;  high power;  thermal decomposition;  safety
分类号:
TJ55; TQ560.7
DOI:
10.3969/j.issn.1001-8352.2025.03.006
文献标志码:
A
摘要:
在乳化炸药中添加高热值储氢材料TiH2粉末可以显著提高爆轰性能，但同时也可能会降低安全性能，限制了TiH2粉末在乳化炸药中的推广与应用。为了研究含能添加剂TiH2粉末对乳化炸药相容性和热稳定性的影响，采用TGA-FTIR联用仪分析了加入TiH2粉末后乳化炸药的热分解特性和逸出气体产物的组成，利用落锤实验对乳化炸药撞击感度进行了测试。结果表明，TiH2粉末可以降低乳化炸药的初始分解温度，促进热分解反应。纯乳化炸药样品的平均活化能为112.32 kJ/mol；当在乳化炸药中加入质量分数为6% 的TiH2粉末时，平均活化能降低为100.19 kJ/mol。根据热分析实验结果，探究了添加TiH2粉末的乳化炸药的热分解机理。此外，添加TiH2并未对乳化炸药的机械感度产生明显影响。有利于进一步了解储氢型乳化炸药的热分解特性及反应机理，为高能乳化炸药的配方优化和工业生产提供参考。
Abstract:
The addition of high calorific value hydrogen storage material of TiH2 powder to emulsion explosives could significantly improve detonation performance, but TiH2 powder may also reduce safety performance, limiting the promotion and application of TiH2 in emulsion explosives. In order to investigate the effect of energetic additive TiH2 powder on the compatibility and thermal stability of emulsion explosives, TGA-FTIR was used to study the thermal decomposition characteristics and gas product composition of emulsion explosives containing TiH2 powder. The impact sensitivity of explosives was tested using drop hammer tests. The results indicate that TiH2 powder can lower the initial decomposition temperature of emulsion explosives and promote thermal decomposition reactions. The average activation energy of the pure emulsion explosive sample is 112.32 kJ/mol. When 6% TiH2 powder is added to the emulsion explosive, the average activation energy decreases to 100.19 kJ/mol. Based on the results of thermal analysis, the thermal decomposition mechanism of emulsion explosives with TiH2 powder was investigated. In addition, the addition of TiH2 did not have a significant effect on the mechanical sensitivity of emulsion explosives. It is helpful for further understanding the thermal decomposition characteristics and reaction mechanism of hydrogen storage emulsion explosives, providing references for the formulation optimization and industrial production of high-energy emulsion explosives.

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备注/Memo

备注/Memo:
收稿日期：2024-12-02
基金项目：国家自然科学基金面上项目(11972046)；安徽省高校自然科学基金杰青项目（2023AH020026）
第一作者：谢锐(1976—)，男，高级工程师，主要从事含能材料的安全性研究。E-mail: xierui9374@sina.cn
通信作者：韦箫(1999—)，男，硕士，助理工程师，主要从事爆破器材的爆轰性能和安全性研究。E-mail: 1823739862@qq.com
更新日期/Last Update: 2025-06-03