[1]过光飞①,吴三震①,徐飞扬①,等.氟橡胶包覆对CL-20机械感度及爆轰特性的影响研究[J].爆破器材,2024,53(02):1-6.[doi:10.3969/j.issn.1001-8352.2024.02.001]
　GUO Guangfei,WU Sanzhen,XU Feiyang,et al.Influence of Fluorine Rubber Coating on Mechanical Sensitivities and Detonation Characteristics of CL-20[J].EXPLOSIVE MATERIALS,2024,53(02):1-6.[doi:10.3969/j.issn.1001-8352.2024.02.001]
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氟橡胶包覆对CL-20机械感度及爆轰特性的影响研究
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
53
期数:
2024年02
页码:
1-6
栏目:
基础理论
出版日期:
2024-04-03

文章信息/Info

Title:
Influence of Fluorine Rubber Coating on Mechanical Sensitivities and Detonation Characteristics of CL-20
文章编号:
5864
作者:
过光飞①; 吴三震①; 徐飞扬①; 马腾①; 徐森①②; 刘大斌①
①南京理工大学化学与化工学院（江苏南京,210094）
②国家民用爆破器材质量检验检测中心（江苏南京,210094）
Author(s):
GUO Guangfei①;  WU Sanzhen①;  XU Feiyang①;  MA Teng①;  XU Sen①②;  LIU Dabin①
①School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
②China National Quality Inspection and Testing Center for Industrial Explosive Materials (Jiangsu Nanjing, 210094)
关键词:
CL-20; 包覆; 机械感度; 爆轰性能
Keywords:
CL-20;  coating;  mechanical sensitivity;  detonation performance
分类号:
TJ55
DOI:
10.3969/j.issn.1001-8352.2024.02.001
文献标志码:
A
摘要:
为研究 CL-20 晶体表面钝化对安全及爆轰性能的影响，采用氟橡胶 F2311 作为黏结剂，基于水悬浮法对比研究了 CL-20 包覆前、后的机械感度及爆轰性能变化规律。实验结果表明： F2311包覆可以显著改善 CL-20 材料的表面缺陷；在 －20 、 0 、 20 、 40 °C 与 80 °C 条件下，F2311包覆可明显提高 CL-20 的临界撞击能与临界摩擦载荷；在 －40 ℃环境下，包覆对 CL-20 临界撞击能与临界摩擦载荷无影响，原因可能与包覆材料的玻璃化转变温度有关；包覆后样品的实测爆热与爆速可达到 5 612.03 kJ/kg 和 8 975.81m/s，与 CL-20 相比分别减小了8.70 % 和 2.39 %。研究结论对 CL-20的安全储存、使用和高效能量输出具有一定的参考价值。
Abstract:
In order to investigate the influence of crystal surface passivation on the safety and detonation performance of CL-20, fluorine rubber (F2311) was used as a binder, and the changes in mechanical sensitivity and detonation performance of CL-20 before and after coating were compared using water suspension method. The experimental results indicate that coating CL-20 with F2311 can significantly improve the surface defects of CL-20 materials. At －20, 0, 20, 40 ℃ and 80 ℃, the critical impact energy and critical friction load of CL-20 coated with F2311 increase significantly. At －40℃, the coating has no effect on the critical impact energy and critical friction load of CL-20, which may be related to the glass transition temperature of the coating material. The measured detonation heat and detonation velocity of the coated samples can reach 5 612.03 kJ/kg and 8 975.81 m/s, respectively, which reduce by 8.70% and 2.39% compared to CL-20. It has certain guidance for the secure storage, use, and efficient energy output of CL-20.

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备注/Memo

备注/Memo:
收稿日期：2023-07-18
基金项目：装备预研国防科技重点实验室基金(6142603200509,6142603180408)；中国博士后科学基金面上资助(2023M731695)
第一作者：过光飞（2001—），男，硕士研究生，主要从事火炸药的安全应用。E-mail：guoguangfei147@163.com
通信作者：徐森(1981—),男，教授，博导，主要从事含能材料安全性研究。E-mail:xusen@njust.edu.com
更新日期/Last Update: 2024-04-02