超高分子量聚乙烯织物/聚脲柔性复合材料的抗破片侵彻机制
刘东炎, 郑成燕, 王晓旭, 钱坤, 张典堂

Projectile penetration mechanism of ultra-high molecular weight polyethylene fabric/polyurea flexible composites
LIU Dongyan, ZHENG Chengyan, WANG Xiaoxu, QIAN Kun, ZHANG Diantang
表3 2D-C、3D-C的弹速分布及各背弹面弹孔损伤面积
Tab.3 Velocity distributions of 2D-C and 3D-C and damage areas of bullet holes in back surfaces
试样类型 弹孔编号 弹片速度/(m·s-1) 弹击结果 V50/(m·s-1) SEA/(J·m3·kg-1) 损伤面积/mm2
2D-C 1 568.667 未穿透 559.2 272.01 1 450.68
2 569.476 未穿透 1 450.68
3 579.039 未穿透 1 450.68
4 585.138 穿透 1 884.96
5 586.338 穿透 1 727.88
6 606.466 穿透 1 507.97
3D-C a 600.420 未穿透 587.1 280.88 1 950.93
b 605.327 未穿透 2 186.55
c 609.570 未穿透 3 392.92
d 617.284 穿透 3 298.67
e 632.111 穿透 2 799.16
f 652.742 穿透 3 647.39