Improving the impact damage resistance of composite laminates using CNF/Z-pin multi-scale toughening

被引：10
|
作者：
Zhao, Guozhi [1 ]
Li, Mengjia [1 ]
Li, Xiping [1 ]
Zheng, Jiajia [1 ]
Zhang, Ziang [1 ]
Hu, Zhonglue [1 ]
Zhao, Yuan [1 ]
Chen, Puhui [2 ]
机构：
[1] Zhejiang Normal Univ, Key Lab Urban Rail Transit Intelligent Operat & Ma, Jinhua 321004, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2023年 / 189卷
关键词：
CNF-reinforced; Multi-scale synergistic reinforced; Z-pin; Impact behavior; Damage mechanics; LOW-VELOCITY IMPACT; CARBON-FIBER COMPOSITES; FRACTURE-TOUGHNESS; EPOXY NANOCOMPOSITES; MODE-I; DELAMINATION; COMPRESSION; PERFORMANCE; IMPROVEMENT; STRENGTH;
D O I：
10.1016/j.tws.2023.110895
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper investigated the effect of CNF (carbon nanofibre)/Z-pin multi-scale synergistic reinforcement on improving the impact damage resistance of carbon fiber-reinforced composite laminates. The out-of-plane low-velocity impact response of unreinforced, CNF-reinforced, Z-pin-reinforced and CNF/Z-pin multi-scale synergistic reinforced laminates were investigated. The use of CNF concurrently with Z-pin can not only eliminate the incapability of Z-pin in improving the damage resistance at low energy (damage initiation) but can also synergistically maximize the improvement of the impact resistance at high energy (damage propagation). At 50 J impact energy, the damaged area of CNF, Z-pin and CNF/Z-pin reinforced laminates were reduced by 10.3%, 29.5% and 34.8%.
引用
收藏
页数：14
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