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An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance

1
School of Engineering, University of Petroleum and Energy Studies (UPES), Dehradun 248007, Uttarakhand, India
2
Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
*
Authors to whom correspondence should be addressed.
Academic Editors: Haroon Mahmood and Marzena Pawlik
Polymers 2022, 14(8), 1548; https://doi.org/10.3390/polym14081548
Received: 22 March 2022 / Revised: 5 April 2022 / Accepted: 5 April 2022 / Published: 11 April 2022
(This article belongs to the Special Issue Advances in Graphene-Epoxy Nanocomposites)
Carbon fiber-reinforced polymer (CFRP) composites are used in a variety of applications such as aircraft, automobiles, body armors, and the sports sector owing to their ultra-strong and lightweight characteristics. However, the incorporation of an untreated pristine carbon fiber surface leads to a weak interfacial interaction with the polymeric matrix, thus triggering catastrophic failure of the composite material. Graphene oxide, a 2D-macromolecule consisting of several polar functional groups such as hydroxyl, carboxyl, and carbonyl on the basal planes and edges, tends to increase the surface area and has thus been applied between the fiber and matrix, helping to improve CFRP properties. Herein, we condense different routes of functionalization of GO nanosheets and their incorporation onto a fiber surface or in a carbon fiber-reinforced epoxy matrix, helping to improve the interfacial adhesion between the fiber and matrix, and thus allowing effective stress transfer and energy absorption. The improvement of the interfacial adhesion between the fiber and carbon fiber-reinforced epoxy matrix is due to the peculiar structure of GO nanoparticles composed of polar groups, especially on the edges of the nanosheets, able to provide strong interaction with the hosting cured epoxy matrix, and the “core” part similar to the structure of CFs, and hence able to establish strong π-π interactions with the reinforcing CFs. The article also covers the effect of functionalized graphene oxide incorporation on the mechanical, thermal, electrical, and viscoelastic properties of composite materials reinforced with carbon fibers. View Full-Text
Keywords: carbon fibers; graphene oxide; fiber-reinforced composites; interfacial adhesion; functional groups; mechanical performance carbon fibers; graphene oxide; fiber-reinforced composites; interfacial adhesion; functional groups; mechanical performance
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MDPI and ACS Style

Sharma, H.; Kumar, A.; Rana, S.; Guadagno, L. An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance. Polymers 2022, 14, 1548. https://doi.org/10.3390/polym14081548

AMA Style

Sharma H, Kumar A, Rana S, Guadagno L. An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance. Polymers. 2022; 14(8):1548. https://doi.org/10.3390/polym14081548

Chicago/Turabian Style

Sharma, Harsh, Ajay Kumar, Sravendra Rana, and Liberata Guadagno. 2022. "An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance" Polymers 14, no. 8: 1548. https://doi.org/10.3390/polym14081548

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