Development of Sizing-free Multi-Functional Carbon Fibre Nanocomposites

T.R. Pozegic; K.D.G.I. Jayawardena; J-S. Chen; J.V. Anguita; P. Ballocchi; V. Stolojan; S.R.P. Silva; I. Hamerton

doi:10.1016/j.compositesa.2016.07.012

Development of Sizing-free Multi-Functional Carbon Fibre Nanocomposites

T.R. Pozegic, K.D.G.I. Jayawardena, J-S. Chen, J.V. Anguita, P. Ballocchi, V. Stolojan, S.R.P. Silva, I. Hamerton

Bristol Composites Institute

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Abstract

High quality multi-walled carbon nanotubes (CNTs) grown at high density using a low temperature growth method are used as an alternative material to polymer sizing and is utilised in a series of epoxy composites reinforced with carbon fibres to provide improved physical and electrical properties. We report improvements for sizing-sensitive mechanical and physical properties, such as the interfacial adhesion, shear properties and handling of the fibres, whilst retaining resin-infusion capability. Following fibre volume fraction normalisation, the carbon nanotube-modified carbon fibre composite offers improvements of 146 % increase in Young’s modulus; 20% increase in ultimate shear stress; 74 % increase in shear chord modulus and an 83 % improvement in the initial fracture toughness. The addition of CNTs imparts electrical functionalisation to the composite, enhancements in the surface direction are 400%, demonstrating a suitable route to sizing-free composites with enhanced mechanical and electrical functionality.

Original language	English
Pages (from-to)	306–319
Number of pages	14
Journal	Composites Part A: Applied Science and Manufacturing
Volume	90
Early online date	18 Jul 2016
DOIs	https://doi.org/10.1016/j.compositesa.2016.07.012
Publication status	Published - 1 Nov 2016

Keywords

A multifunctional composites
A nanocomposite
A carbon nanotubes and nanofibers
Polymer sizing

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This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at http://dx.doi.org/10.1016/j.compositesa.2016.07.012. Please refer to any applicable terms of use of the publisher.
Accepted author manuscript, 2.56 MBLicence: CC BY-NC-ND
Supplementary information PDF
This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at http://dx.doi.org/10.1016/j.compositesa.2016.07.012. Please refer to any applicable terms of use of the publisher.
Accepted author manuscript, 449 KBLicence: CC BY-NC-ND

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Professor Ian Hamerton
- ian.hamertonbristol.acuk
- School of Civil, Aerospace and Design Engineering - Professor of Polymers and Composites
- Bristol Composites Institute
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title = "Development of Sizing-free Multi-Functional Carbon Fibre Nanocomposites",

abstract = "High quality multi-walled carbon nanotubes (CNTs) grown at high density using a low temperature growth method are used as an alternative material to polymer sizing and is utilised in a series of epoxy composites reinforced with carbon fibres to provide improved physical and electrical properties. We report improvements for sizing-sensitive mechanical and physical properties, such as the interfacial adhesion, shear properties and handling of the fibres, whilst retaining resin-infusion capability. Following fibre volume fraction normalisation, the carbon nanotube-modified carbon fibre composite offers improvements of 146 \% increase in Young{\textquoteright}s modulus; 20\% increase in ultimate shear stress; 74 \% increase in shear chord modulus and an 83 \% improvement in the initial fracture toughness. The addition of CNTs imparts electrical functionalisation to the composite, enhancements in the surface direction are 400\%, demonstrating a suitable route to sizing-free composites with enhanced mechanical and electrical functionality.",

keywords = "A multifunctional composites, A nanocomposite, A carbon nanotubes and nanofibers, Polymer sizing",

author = "T.R. Pozegic and K.D.G.I. Jayawardena and J-S. Chen and J.V. Anguita and P. Ballocchi and V. Stolojan and S.R.P. Silva and I. Hamerton",

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doi = "10.1016/j.compositesa.2016.07.012",

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AU - Pozegic, T.R.

AU - Jayawardena, K.D.G.I.

AU - Chen, J-S.

AU - Anguita, J.V.

AU - Ballocchi, P.

AU - Stolojan, V.

AU - Silva, S.R.P.

AU - Hamerton, I.

PY - 2016/11/1

Y1 - 2016/11/1

N2 - High quality multi-walled carbon nanotubes (CNTs) grown at high density using a low temperature growth method are used as an alternative material to polymer sizing and is utilised in a series of epoxy composites reinforced with carbon fibres to provide improved physical and electrical properties. We report improvements for sizing-sensitive mechanical and physical properties, such as the interfacial adhesion, shear properties and handling of the fibres, whilst retaining resin-infusion capability. Following fibre volume fraction normalisation, the carbon nanotube-modified carbon fibre composite offers improvements of 146 % increase in Young’s modulus; 20% increase in ultimate shear stress; 74 % increase in shear chord modulus and an 83 % improvement in the initial fracture toughness. The addition of CNTs imparts electrical functionalisation to the composite, enhancements in the surface direction are 400%, demonstrating a suitable route to sizing-free composites with enhanced mechanical and electrical functionality.

AB - High quality multi-walled carbon nanotubes (CNTs) grown at high density using a low temperature growth method are used as an alternative material to polymer sizing and is utilised in a series of epoxy composites reinforced with carbon fibres to provide improved physical and electrical properties. We report improvements for sizing-sensitive mechanical and physical properties, such as the interfacial adhesion, shear properties and handling of the fibres, whilst retaining resin-infusion capability. Following fibre volume fraction normalisation, the carbon nanotube-modified carbon fibre composite offers improvements of 146 % increase in Young’s modulus; 20% increase in ultimate shear stress; 74 % increase in shear chord modulus and an 83 % improvement in the initial fracture toughness. The addition of CNTs imparts electrical functionalisation to the composite, enhancements in the surface direction are 400%, demonstrating a suitable route to sizing-free composites with enhanced mechanical and electrical functionality.

KW - A multifunctional composites

KW - A nanocomposite

KW - A carbon nanotubes and nanofibers

KW - Polymer sizing

U2 - 10.1016/j.compositesa.2016.07.012

DO - 10.1016/j.compositesa.2016.07.012

M3 - Article (Academic Journal)

SN - 1359-835X

VL - 90

SP - 306

EP - 319

JO - Composites Part A: Applied Science and Manufacturing

JF - Composites Part A: Applied Science and Manufacturing

ER -

Development of Sizing-free Multi-Functional Carbon Fibre Nanocomposites

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