氟橡胶包覆对CL-20机械感度及爆轰特性的影响研究  

Influence of Fluorine Rubber Coating on Mechanical Sensitivities and Detonation Characteristics of CL-20

作　　者：过光飞 吴三震 徐飞扬 马腾 徐森[1,2] 刘大斌 GUO Guangfei;WU Sanzhen;XU Feiyang;MA Teng;XU Sen;LIU Dabin(School of Chemistry and Chemical Engineering,Nanjing University of Science and Technology,Jiangsu Nanjing,210094;China National Quality Inspection and Testing Center for Industrial Explosive Materials,Jiangsu Nanjing,210094)

机构地区：[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

出　　处：《爆破器材》2024年第2期1-6,共6页Explosive Materials

基　　金：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)。

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5612.03 kJ/kg和8975.81m/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。In order to investigate the influence of crystal surface passivation on the safety and detonation perfor-mance 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 5612.03 kJ/kg and 8975.81 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.

关 键 词：CL-20 包覆 机械感度 爆轰性能 

分 类 号：TJ55[兵器科学与技术—军事化学与烟火技术]