Evaluation of Physical and Mechanical Properties of Graphene Oxide Reinforced Epoxy/Kevlar Hybrid Composites

Evaluation of Physical and Mechanical Properties of Graphene Oxide Reinforced Epoxy/Kevlar Hybrid Composites | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Evaluation of Physical and Mechanical Properties of Graphene Oxide Reinforced Epoxy/Kevlar Hybrid Composites Md Shadman Hassin, Mohammad Omar Faruk, Mir Iffat Ali, Shahida Begum This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4282666/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 30 Apr, 2024 Read the published version in Hybrid Advances → Version 1 posted You are reading this latest preprint version Abstract Graphene is a miracle material with low density, excellent mechanical strength, electrical conductivity, molecular barrier properties and many other remarkable properties. Hence, recent research has been more focused on delving into various application areas of graphene. In this study, the effects of graphene oxide (GO) on the mechanical properties of composites based on epoxy resin and Kevlar fibers were investigated. The composites were fabricated by incorporating varying concentrations (1%, 3%, 5%, 10%, and 16%) of graphene oxide (GO) into an epoxy matrix. The matrix was reinforced by two different wt.% (12.5% and 25%) of Kevlar fibers (KF). The hybrid composites were manufactured by hand lay-up process in a silicon mold at room temperature. Mechanical characterizations such as flexural, impact and hardness test exhibited an enhancement of the mechanical properties of the composites. Moreover, the measured density showed a significant reduction in density with increasing wt.% of GO. As a result, it was possible to fabricate a composite with a significant increase of specific flexural strength and specific flexural modulus. A microstructural analysis of the composites was performed by Scanning Electron Microscopy (SEM) and Energy Dispersive X-Ray Analysis (EDX). From the SEM images, it was revealed that the interphase bonding of the GO particles with Kevlar fibers and matrix was strong, thereby resulting in improved mechanical performance. It was observed that 5 wt.% GO incorporation along with 25wt.% KF showed improved flexural strength, hardness and impact strength than that of sample fabricated only with Kevlar. Graphene Oxide Aramid Fiber Hybrid Composite Mechanical Tests Microstructure Analysis Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 30 Apr, 2024 Read the published version in Hybrid Advances → Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4282666","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":292612970,"identity":"90286ef4-91da-444f-babc-472129340dc7","order_by":0,"name":"Md Shadman Hassin","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABC0lEQVRIiWNgGAWjYHACAyA+wMDADKQSGBjkQEIHHpCixRisJYEoLVCQ2MAA0YsTyLcf3rrh54478vLtvIc/PKjZlj4/7PBDoC12croNOKw4k1Z2s/fMM8MNh/nSJBKO3c7deDvNAKgl2djsAA4tDDlmN3jbDjNuYOYxY0hgA2qZnQDSciBxGw4t8v1vzG7+bTtsP7+Zx/hDwr/b6Yaz0z/g1cJwI8fsNtCWxIbDPAYSiW23E+Slc/DbYnDjWdlt2bbDyRsO85hJJPbdNtwgnVNwIMEAt1/k+5O33Xzbdth2fv8Z448/vt2Wl5+dvvnDhwo7OVxasNh7ABIsJAD5BlJUj4JRMApGwUgAAJd5bIvuxBf4AAAAAElFTkSuQmCC","orcid":"","institution":"Military Institute of Science and Technology","correspondingAuthor":true,"prefix":"","firstName":"Md","middleName":"Shadman","lastName":"Hassin","suffix":""},{"id":292612971,"identity":"3984bfd2-b710-4f1d-a7c2-f728f1041d4b","order_by":1,"name":"Mohammad Omar Faruk","email":"","orcid":"","institution":"Military Institute of Science and Technology","correspondingAuthor":false,"prefix":"","firstName":"Mohammad","middleName":"Omar","lastName":"Faruk","suffix":""},{"id":292612972,"identity":"951d47fa-278e-4a6e-894f-ecbfbe8b3150","order_by":2,"name":"Mir Iffat Ali","email":"","orcid":"","institution":"Military Institute of Science and Technology","correspondingAuthor":false,"prefix":"","firstName":"Mir","middleName":"Iffat","lastName":"Ali","suffix":""},{"id":292612973,"identity":"b233324b-65d5-4380-bc55-8dc64f7971a2","order_by":3,"name":"Shahida Begum","email":"","orcid":"","institution":"Military Institute of Science and Technology","correspondingAuthor":false,"prefix":"","firstName":"Shahida","middleName":"","lastName":"Begum","suffix":""}],"badges":[],"createdAt":"2024-04-17 14:50:02","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4282666/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4282666/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1016/j.hybadv.2024.100217","type":"published","date":"2024-05-01T00:36:29+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":57378383,"identity":"30bbb666-237b-4c88-8fb5-aaa3ede52800","added_by":"auto","created_at":"2024-05-30 00:36:37","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":711964,"visible":true,"origin":"","legend":"","description":"","filename":"EvaluationofPhysicalandMechanicalPropertiesofGrapheneOxideReinforcedEpoxyKevlarHybridComposites.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4282666/v1_covered_c298efd6-8598-4911-b672-1a65ffda0cd0.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Evaluation of Physical and Mechanical Properties of Graphene Oxide Reinforced Epoxy/Kevlar Hybrid Composites","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Graphene Oxide, Aramid Fiber, Hybrid Composite, Mechanical Tests, Microstructure Analysis","lastPublishedDoi":"10.21203/rs.3.rs-4282666/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4282666/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"Graphene is a miracle material with low density, excellent mechanical strength, electrical conductivity, molecular barrier properties and many other remarkable properties. 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