Synergistically enhancing the electrical conductivity of carbon fibre reinforced polymers by vertical graphene and silver nanowires

被引：19

作者：

Sha, Zhao ^{[1
]}

Cheng, Xinying ^{[5
]}

Islam, Mohammad S. ^{[1
]}

Sangkarat, Pichsinee ^{[1
]}

Chang, Wenkai ^{[1
]}

Brown, Sonya A. ^{[1
]}

Wu, Shuying ^{[4
]}

Zhang, Jin ^{[1
]}

Han, Zhaojun ^{[1
,2
,3
]}

Peng, Shuhua ^{[1
]}

Wang, Chun H. ^{[1
]}

机构：

[1] Univ New South Wales, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia

[2] Univ New South Wales, Sch Chem Engn, Sydney, NSW 2052, Australia

[3] CSIRO Mfg, 36 Bradfield Rd, Lindfield, NSW 2070, Australia

[4] Macquarie Univ, Sch Engn, Sydney, NSW 2109, Australia

[5] Leibniz Univ Hannover, Inst Photon, D-30167 Hannover, Germany

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2023年 / 168卷

关键词：

Electrical conductivity; Carbon fibre reinforced polymers; Vertical graphene; Silver nanowires; LIGHTNING STRIKE PROTECTION; FIBER/EPOXY COMPOSITES; EPOXY NANOCOMPOSITES; AIRCRAFT; CFRP; PERFORMANCE; ELECTRODES; NANOTUBES; PLATELETS; TOUGHNESS;

D O I：

10.1016/j.compositesa.2023.107463

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Increasing the electrical conductivity of carbon fibre reinforced polymers (CFRPs) holds great promises for a range of applications, such as removing the need for metallic meshes in the protection against electromagnetic interference and lightning strikes. Herein, a hybrid method of improving the electrical conductivity of CFRPs by functionalizing carbon fibres with vertical graphene (VG) and modifying the matrix with silver nanowires (AgNWs) is introduced. The results revealed that the hybrid method increased the through-thickness and the in -plane electrical conductivities by almost 38 times and 39%, respectively, without adversely affecting mechanical properties. Finite element modelling revealed that the unprecedented synergy is due to the significant reduction in the contact resistance between carbon fibres by the combination of VGs on the fibres and the AgNWs in the matrix. Computational modelling showed that the electrical conductivity increase can reduce the joule heat density by around one thousand times under simplified lightning strike conditions.

引用

页数：11

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