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

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 w...

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Main Authors: Harsh Sharma, Ajay Kumar, Sravendra Rana, Liberata Guadagno
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/14/8/1548
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author Harsh Sharma
Ajay Kumar
Sravendra Rana
Liberata Guadagno
author_facet Harsh Sharma
Ajay Kumar
Sravendra Rana
Liberata Guadagno
author_sort Harsh Sharma
collection DOAJ
description 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.
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spelling doaj.art-dcc58204ce434c0ea5a32f1a0b973b452023-12-03T13:52:27ZengMDPI AGPolymers2073-43602022-04-01148154810.3390/polym14081548An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites PerformanceHarsh Sharma0Ajay Kumar1Sravendra Rana2Liberata Guadagno3School of Engineering, University of Petroleum and Energy Studies (UPES), Dehradun 248007, Uttarakhand, IndiaSchool of Engineering, University of Petroleum and Energy Studies (UPES), Dehradun 248007, Uttarakhand, IndiaSchool of Engineering, University of Petroleum and Energy Studies (UPES), Dehradun 248007, Uttarakhand, IndiaDepartment of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, ItalyCarbon 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.https://www.mdpi.com/2073-4360/14/8/1548carbon fibersgraphene oxidefiber-reinforced compositesinterfacial adhesionfunctional groupsmechanical performance
spellingShingle Harsh Sharma
Ajay Kumar
Sravendra Rana
Liberata Guadagno
An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
Polymers
carbon fibers
graphene oxide
fiber-reinforced composites
interfacial adhesion
functional groups
mechanical performance
title An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
title_full An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
title_fullStr An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
title_full_unstemmed An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
title_short An Overview on Carbon Fiber-Reinforced Epoxy Composites: Effect of Graphene Oxide Incorporation on Composites Performance
title_sort overview on carbon fiber reinforced epoxy composites effect of graphene oxide incorporation on composites performance
topic carbon fibers
graphene oxide
fiber-reinforced composites
interfacial adhesion
functional groups
mechanical performance
url https://www.mdpi.com/2073-4360/14/8/1548
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