聚氨酯涂层对复合材料层合板抗反复低速冲击性能的影响*

岳海亮, 张国利, 王壮志, 郭瑞彦

Evaluation of Ressistance to Repeated Low-Velocity Impact of Composite Laminates with Polyurethane Coating

YUE Hailiang, ZHANG Guoli, WANG Zhuangzhi, GUO Ruiyan

表2 不同冲击能量反复冲击穿透[0/90]6 和[0/90]-PU6时的次数

Table 2 Total number of perforation for [0/90]6 and [0/90]6 -PU at different energy levels

[0/90]6 No. of drops to perforation [0/90]6 -PU6 No. of drops to perforation Impact energy Impact energy 5 J 8 5 J >60 6.5 J 6 6.5 J 51 7.5 J 3 7.5 J 12