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3-Phase Hierarchical Graphene-based Epoxy Nanocomposite Laminates for Automotive Applications

Elmarakbi, Ahmed, Karagiannidis, Panagiotis, Ciappa, Alessandra, Innocente, Franco, Galise, Francesco, Martorana, Brunetto, Bertocchi, Francesco, Cristiano, Francesco, Villaro Ábalos, Elvira and Gómez, Julio (2019) 3-Phase Hierarchical Graphene-based Epoxy Nanocomposite Laminates for Automotive Applications. Journal of Materials Science & Technology, 35 (10). pp. 2169-2177. ISSN 1005-0302

Item Type: Article

Abstract

Two different types of graphene flakes were produced following solution processing methods and dispersed using shear mixing in a bifunctional (A) and a multifunctional (B) epoxy resin at a concentration of 0.8 and 0.6 wt%, respectively. The graphene/epoxy resin mixtures were used to impregnate unidirectional carbon fibre tapes. These prepregs were stacked (seven plies) and cured to produce laminates. The interlaminar fracture toughness (mode-I) of the carbon fiber/graphene epoxy laminates with resin B showed over 56% improvement compared with the laminate without graphene. Single lap joints were prepared using the laminates as adherents and polyurethane adhesives (Sika 7666 and Sika 7888). The addition of graphene improved considerably the adhesion strength from 3.3 to 21 MPa (sample prepared with resin A and Sika 7888) highlighting the potential of graphene as a secondary filler in carbon fibre reinforced polymer composites.

Keywords
GrapheneCarbon fibre reinforced polymer (CFRP)Fracture toughness; Shear lap joints

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More Information

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Depositing User: Panagiotis Karagiannidis

Identifiers

Item ID: 10619
Identification Number: https://doi.org/10.1016/j.jmst.2019.05.033
ISSN: 1005-0302
URI: http://sure.sunderland.ac.uk/id/eprint/10619
Official URL: https://www.sciencedirect.com/science/article/pii/...

Users with ORCIDS

ORCID for Ahmed Elmarakbi: ORCID iD orcid.org/0000-0002-7479-3870
ORCID for Panagiotis Karagiannidis: ORCID iD orcid.org/0000-0002-2709-4161

Catalogue record

Date Deposited: 26 Mar 2019 09:11
Last Modified: 20 Aug 2020 14:13

Contributors

Author: Ahmed Elmarakbi ORCID iD
Author: Panagiotis Karagiannidis ORCID iD
Author: Alessandra Ciappa
Author: Franco Innocente
Author: Francesco Galise
Author: Brunetto Martorana
Author: Francesco Bertocchi
Author: Francesco Cristiano
Author: Elvira Villaro Ábalos
Author: Julio Gómez

University Divisions

Faculty of Technology
Faculty of Technology > School of Engineering

Subjects

Engineering > Automotive Engineering
Engineering > Mechanical Engineering

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