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

页数：14

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