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Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact

Feras Korkees Orcid Logo, Elliot Morris, William Jarrett, Russo Swart

Polymer Composites, Volume: 44, Issue: 6, Pages: 3325 - 3340

Swansea University Authors: Feras Korkees Orcid Logo, William Jarrett, Russo Swart

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DOI (Published version): 10.1002/pc.27324

Abstract

Composite failure due to in-service low energy impact damage and moisture absorption is a major risk for these materials within aerospace, automotive and other engineering sectors. Deterioration in post-impact flexural properties, and the tendency of thermosets to absorb moisture are some of the few...

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Published in: Polymer Composites
ISSN: 0272-8397 1548-0569
Published: Wiley 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa63073
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Deterioration in post-impact flexural properties, and the tendency of thermosets to absorb moisture are some of the few drawbacks of carbon fiber reinforced polymers (CFRPs). Adding graphene into the matrix is theorized to improve mechanical properties and reduce moisture uptake. This study evaluates the diffusion characteristics and flexural properties of carbon fiber/epoxy composites modified with NH2 functionalized graphene (CFRP/graphene nanoparticle [GNPs]) before and after impact under various environmental conditions. Adding GNPs to CFRP decreased the flexural strength and modulus by 24% and 25% respectively before impact. After impact, the flexural strength and modulus decreased by 7.4%–23.6% and 37%–67%, respectively. For both composites after undergoing impact, the residual strength and stiffness were considerably reduced due to delamination and transverse cracking. Samples with graphene inclusion experienced a slower rate of ethanol and water diffusion, for both unimpacted and impacted samples, by 46.4% and 44.8%, respectively. Moisture uptake also reduced the flexural properties of both composites. 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spelling v2 63073 2023-04-04 Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact 4d34f40e38537261da3ad49a0dd2be09 0000-0002-5131-6027 Feras Korkees Feras Korkees true false e354eb538950b53732aeb9090e9d9c1f William Jarrett William Jarrett true false 0839021fb433d20af4c44fa32835b685 Russo Swart Russo Swart true false 2023-04-04 MTLS Composite failure due to in-service low energy impact damage and moisture absorption is a major risk for these materials within aerospace, automotive and other engineering sectors. Deterioration in post-impact flexural properties, and the tendency of thermosets to absorb moisture are some of the few drawbacks of carbon fiber reinforced polymers (CFRPs). Adding graphene into the matrix is theorized to improve mechanical properties and reduce moisture uptake. This study evaluates the diffusion characteristics and flexural properties of carbon fiber/epoxy composites modified with NH2 functionalized graphene (CFRP/graphene nanoparticle [GNPs]) before and after impact under various environmental conditions. Adding GNPs to CFRP decreased the flexural strength and modulus by 24% and 25% respectively before impact. After impact, the flexural strength and modulus decreased by 7.4%–23.6% and 37%–67%, respectively. For both composites after undergoing impact, the residual strength and stiffness were considerably reduced due to delamination and transverse cracking. Samples with graphene inclusion experienced a slower rate of ethanol and water diffusion, for both unimpacted and impacted samples, by 46.4% and 44.8%, respectively. Moisture uptake also reduced the flexural properties of both composites. Scanning electron microscopy revealed good dispersion but poor bonding of graphene to the matrix, which is believed to be the reason for property reduction. Journal Article Polymer Composites 44 6 3325 3340 Wiley 0272-8397 1548-0569 Carbon fibers, drop-weight testing ,flexural properties, graphene nanocomposites, moisture diffusion 30 6 2023 2023-06-30 10.1002/pc.27324 http://dx.doi.org/10.1002/pc.27324 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University. 2023-07-26T13:46:10.1401424 2023-04-04T09:09:18.4463802 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Feras Korkees 0000-0002-5131-6027 1 Elliot Morris 2 William Jarrett 3 Russo Swart 4 63073__28052__048c03d4a55244d0bdfb63f87731a3a3.pdf 63073.VOR.pdf 2023-07-06T16:37:21.9720488 Output 4077697 application/pdf Version of Record true © 2023 The Authors. Polymer Composites published by Wiley Periodicals LLC on behalf of Society of Plastics Engineers. Distributed under the terms of a Creative Commons Attribution 4.0 License (CC BY 4.0). true eng https://creativecommons.org/licenses/by/4.0/
title Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
spellingShingle Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
Feras Korkees
William Jarrett
Russo Swart
title_short Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
title_full Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
title_fullStr Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
title_full_unstemmed Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
title_sort Characterization of moisture absorption and flexural performance of functionalized graphene modified carbon fiber composites under low energy impact
author_id_str_mv 4d34f40e38537261da3ad49a0dd2be09
e354eb538950b53732aeb9090e9d9c1f
0839021fb433d20af4c44fa32835b685
author_id_fullname_str_mv 4d34f40e38537261da3ad49a0dd2be09_***_Feras Korkees
e354eb538950b53732aeb9090e9d9c1f_***_William Jarrett
0839021fb433d20af4c44fa32835b685_***_Russo Swart
author Feras Korkees
William Jarrett
Russo Swart
author2 Feras Korkees
Elliot Morris
William Jarrett
Russo Swart
format Journal article
container_title Polymer Composites
container_volume 44
container_issue 6
container_start_page 3325
publishDate 2023
institution Swansea University
issn 0272-8397
1548-0569
doi_str_mv 10.1002/pc.27324
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
url http://dx.doi.org/10.1002/pc.27324
document_store_str 1
active_str 0
description Composite failure due to in-service low energy impact damage and moisture absorption is a major risk for these materials within aerospace, automotive and other engineering sectors. Deterioration in post-impact flexural properties, and the tendency of thermosets to absorb moisture are some of the few drawbacks of carbon fiber reinforced polymers (CFRPs). Adding graphene into the matrix is theorized to improve mechanical properties and reduce moisture uptake. This study evaluates the diffusion characteristics and flexural properties of carbon fiber/epoxy composites modified with NH2 functionalized graphene (CFRP/graphene nanoparticle [GNPs]) before and after impact under various environmental conditions. Adding GNPs to CFRP decreased the flexural strength and modulus by 24% and 25% respectively before impact. After impact, the flexural strength and modulus decreased by 7.4%–23.6% and 37%–67%, respectively. For both composites after undergoing impact, the residual strength and stiffness were considerably reduced due to delamination and transverse cracking. Samples with graphene inclusion experienced a slower rate of ethanol and water diffusion, for both unimpacted and impacted samples, by 46.4% and 44.8%, respectively. Moisture uptake also reduced the flexural properties of both composites. Scanning electron microscopy revealed good dispersion but poor bonding of graphene to the matrix, which is believed to be the reason for property reduction.
published_date 2023-06-30T13:45:25Z
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score 11.016235

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