爆炸成型弹丸侵彻不同材料靶板后效破片特性试验研究  

Experimental Research on the Characteristics of Behind-armor Debris from Explosively Formed Projectile Penetrating Targets of Different Materials

作　　者：黄炫宁 李伟兵[1] 李文彬[1] 尹贵祥 郭腾飞 HUANG Xuanning;LI Weibing;LI Wenbin;YIN Guixiang;GUO Tengfei(ZNDY of Ministerial Key Laboratory,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,China;Xi'an Modern Control Technology Research Institute,Xi'an 710065,Shaanxi,China)

机构地区：[1]南京理工大学智能弹药技术国防重点学科实验室,江苏南京210094 [2]西安现代控制技术研究所,陕西西安710065

出　　处：《兵工学报》2024年第1期58-68,共11页Acta Armamentarii

基　　金：国家自然科学基金项目(11972018)。

摘　　要：为研究靶板材料性能对爆炸成型弹丸(Explosively Formed Projectile,EFP)侵彻靶后破片特性的影响,开展EFP侵彻不同材料靶板(Q235钢、45号钢、装甲钢、2A12铝)后效破片特性试验,采用X光摄影方法观测靶后破片云形态及膨胀尺寸,通过布置多层纤维板获得破片散布特性,并对靶后破片进行回收。研究结果表明:在靶板密度一定的情况下,靶板强度主要影响破片云轴向膨胀能力,对径向膨胀能力影响很小;靶后破片环形毁伤区的飞散角位于20°~25°范围内差别不大,但是靶板背面出口崩落会造成靶后破片飞散角出现极大值,随着钢靶强度的增大,靶后破片径向散布增强,破片总数减小,但是大质量段钢破片数量增多;不同强度钢靶产生的钢破片平均尺寸满足Kipp等提出的基于材料流动应力的碎片尺寸模型。In order to study the effect of target material properties on the characteristics of behind-armor debris(BAD)generated by explosively formed projectile(EFP)penetration,the experimental research on the characteristics of BAD from EFP penetrating into the targets made of different materials,including Q235 steel,45#steel,armor steel and 2A12 aluminum,was carried out.The morphology and expansion size of BAD cloud was observed by X-ray photography,and the fragment dispersion characteristics was obtained by arranging multi-layered witness fiber plates,meanwhile the BAD were recovered.The results show that,when the target material density is constant,the strength of the target mainly affects the axial expansion capacity of the debris cloud,but has little effect on the radial expansion capacity.The dispersion angle of annular damage region of BAD is in the range of 20°-25°,but the back surface of the target is spalled to cause a maximum value of dispersion angle.With the increase of the strength of steel target,the radial dispersion of BAD increases,the total number of fragments decreases,while the number of steel fragments in the large mass segment increases.The average size of steel fragments produced by steel targets with different yield strengths satisfies the fragment size model based on material flow stress proposed in Ref.[19].

关 键 词：爆炸成型弹丸 靶后破片 径向散布 质量分布 破片尺寸 

分 类 号：TJ410.333[兵器科学与技术—火炮、自动武器与弹药工程]