Delamination toughening of carbon fiber/epoxy laminates by hierarchical carbon nanotube-short carbon fiber interleaves

被引：119

作者：

Zhou, Helezi ^{[1
,2
]}

Du, Xusheng ^{[2
]}

Liu, Hong-Yuan ^{[2
]}

Zhou, Huamin ^{[1
]}

Zhang, Yun ^{[1
]}

Mai, Yiu-Wing ^{[2
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China

[2] Univ Sydney, Ctr Adv Mat Technol, Sch Aerosp Mech & Mechatron Engn, J07, Sydney, NSW J07, Australia

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2017年 / 140卷

基金：

澳大利亚研究理事会;

关键词：

Polymer-matrix composites (PMCs); Carbon fibers; Carbon nanotubes; Delamination; Fracture toughness; Interface; INTERLAMINAR FRACTURE-TOUGHNESS; EPOXY COMPOSITES; FLAME SYNTHESIS; KEVLAR FIBERS; REINFORCEMENT; RESIN; CFRP; IMPROVEMENT; INTERLAYER; SUBSTRATE;

D O I：

10.1016/j.compscitech.2016.12.018

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

In this study, hierarchical short carbon fibers (SCFs) synthesized with carbon nanotubes (CNTs) were used as CNT-SCF interleaves to increase the mode I delamination fracture energy G(IC) of carbon fiber/epoxy (CF/EP) composite laminates. Even at a relatively low CNT-SCF areal density, 1.0 mg/cm(2), Gic (1.17 kJ/m(2)) was increased by 125% compared to the control laminates (0.52 kJ/m(2)), which is a very high value compared to those results obtained by other interleaving methods in CF/EP laminates. The toughening effects of SCFs in bulk epoxy and interleaved CF/EP laminates were also studied to better understand the failure mechanisms of the hierarchical CNT-SCF structure. SEM observations revealed synergistic toughening mechanisms in these CNT-SCF interleaved CF/EP laminates. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：46 / 53

页数：8

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