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3 不同厚度的试样完全穿透需要的冲击次数

Table 3 The total number to perforation of specimens with different thickness

Laminate No. of drops to perforation Laminate No. of drops to perforation [0/90]6 3 [0/90]6-PU 12 [0/90]7 5 [0/90]7-PU 24 [0/90]8 6 [0/90]8-PU 128