冲击波和破片复合作用下装药起爆实验研究  

Experimental study on initiation of charge under combined shock wave and fragment impact

作　　者：欧阳昌明[1] 段卓平[1] 孙宝平[1] 刘彦[1] 黄风雷[1] 

机构地区：[1]北京理工大学爆炸科学与技术国家重点实验室,北京100081

出　　处：《爆炸与冲击》2013年第S1期63-66,共4页Explosion and Shock Waves

基　　金：国家自然科学基金重点项目(10832003);国家自然科学基金项目(11076032)

摘　　要：为研究冲击波和破片复合作用下装药的起爆特性,采用分步实验方法,先对装药进行预冲击波加载,再对损伤药柱进行破片撞击,得到了未损伤装药和3种不同冲击压力下受冲击损伤装药的破片撞击起爆临界速度范围。研究结果表明:在1.12GPa冲击压力作用下,装药损伤对破片撞击起爆阈值影响不大;当冲击压力大于1.75GPa时,装药的损伤对破片撞击起爆起到了敏化作用。A series of step-by-step experiments were performed.The charge was first loaded by shock wave,and then the damaged charge was impacted by fragment.The impact velocity thresholds were obtained the initiation of the undamaged and damaged charges under three different shock pressures. The results show that when the shock pressure is 1.12GPa,the damage of the charge does not affect the impact velocity threshold to initiate the damaged charge under fragment impact;when the shock pressure is higher than 1.75GPa,the initiation of the damaged charge under fragment impact is sensitized by its damage.

关 键 词：爆炸力学 起爆 破片撞击 冲击载荷 损伤装药 

分 类 号：TJ410.34[兵器科学与技术—火炮、自动武器与弹药工程]