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Multi-Functional Carbon Fibre Composites using Carbon Nanotubes as an Alternative to Polymer Sizing

Pozegic, TR, Anguita, JV, Hamerton, I, Jayawardena, KDGI, Chen, J-S, Stolojan, V, Ballocchi, P, Walsh, R and Silva, SRP (2016) Multi-Functional Carbon Fibre Composites using Carbon Nanotubes as an Alternative to Polymer Sizing Scientific Reports, 6, 37334.

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Abstract

Carbon fibre reinforced polymers (CFRP) were introduced to the aerospace, automobile and civil engineering industries for their high strength and low weight. A key feature of CFRP is the polymer sizing - a coating applied to the surface of the carbon fibres to assist handling, improve the interfacial adhesion between fibre and polymer matrix and allow this matrix to wet-out the carbon fibres. In this paper, we introduce an alternative material to the polymer sizing, namely carbon nanotubes (CNTs) on the carbon fibres, which in addition imparts electrical and thermal functionality. High quality CNTs are grown at a high density as a result of a 35 nm aluminium interlayer which has previously been shown to minimise diffusion of the catalyst in the carbon fibre substrate. A CNT modified-CFRP show 300%, 450% and 230% improvements in the electrical conductivity on the ‘surface’, ‘through-thickness’ and ‘volume’ directions, respectively. Furthermore, through-thickness thermal conductivity calculations reveal a 107% increase. These improvements suggest the potential of a direct replacement for lightning strike solutions and to enhance the efficiency of current de-icing solutions employed in the aerospace industry.

Item Type: Article
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute
Faculty of Engineering and Physical Sciences > Electronic Engineering
Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Authors :
NameEmailORCID
Pozegic, TRUNSPECIFIEDUNSPECIFIED
Anguita, JVUNSPECIFIEDUNSPECIFIED
Hamerton, IUNSPECIFIEDUNSPECIFIED
Jayawardena, KDGIUNSPECIFIEDUNSPECIFIED
Chen, J-SUNSPECIFIEDUNSPECIFIED
Stolojan, VUNSPECIFIEDUNSPECIFIED
Ballocchi, PUNSPECIFIEDUNSPECIFIED
Walsh, RUNSPECIFIEDUNSPECIFIED
Silva, SRPUNSPECIFIEDUNSPECIFIED
Date : 23 November 2016
Identification Number : 10.1038/srep37334
Copyright Disclaimer : © The Author(s) 2016. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Uncontrolled Keywords : Carbon nanotubes and fullerenes, Composites
Depositing User : Symplectic Elements
Date Deposited : 25 Apr 2017 07:44
Last Modified : 31 Oct 2017 19:19
URI: http://epubs.surrey.ac.uk/id/eprint/814008

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