Effect of mechanically exfoliated graphite flakes on morphological, mechanical, and thermal properties of epoxy

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dc.authorid0000-0002-4092-5273
dc.authorid0000-0002-2849-8547
dc.contributor.authorGül, Ayşenuren_US
dc.contributor.authorKamali, Ali Rezaen_US
dc.date.accessioned2025-08-21T08:28:46Z
dc.date.available2025-08-21T08:28:46Z
dc.date.issued2024-11-11
dc.departmentIşık Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering and Natural Sciences, Department of Mechanical Engineeringen_US
dc.descriptionThis work was funded by the Department of Materials Science and Metallurgy, University of Cambridge, TUBITAK (2219-International Postdoctoral Research Fellowship Program for Turkish Citizens), and the National Natural Science Foundation of China (52250610222).en_US
dc.description.abstractCarbon-reinforced polymer composites form an important category of advanced materials, and there is an increasing demand to enhance their performance using more convenient and scalable processes at low costs. In the present study, graphitic flakes were prepared by the mechanical exfoliation of synthetic graphite electrodes and utilized as an abundant and potentially low-cost filler to fabricate epoxy-based composites with different additive ratios of 1–10 wt.%. The morphological, structural, thermal, and mechanical properties of these composites were investigated. It was found that the thermal conductivity of the composites increases by adding graphite, and this increase mainly depends on the ratio of the graphite additive. The addition of graphite was found to have a diverse effect on the mechanical properties of the composites: the tensile strength of the composites decreases with the addition of graphite, whilst their compressive strength and elastic modulus are enhanced. The results demonstrate that incorporating 5 wt% of commercially available graphite into epoxy not only raises the thermal conductivity of the material from 0.223 to 0.485 W/m·K, but also enhances its compressive strength from 66 MPa to 72 MPa. The diverse influence of graphite provides opportunities to prepare epoxy composites with desirable properties for different applications.en_US
dc.description.sponsorshipDepartment of Materials Science and Metallurgy, University of Cambridgeen_US
dc.description.sponsorshipTürkiye Bilimsel ve Teknolojik Araştırma Kurumuen_US
dc.description.sponsorshipNational Natural Science Foundation of Chinaen_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationGül, A. & Kamali, A. R. (2024). Effect of mechanically exfoliated graphite flakes on morphological, mechanical, and thermal properties of epoxy. Journal of Composites Science, 8(11), 1-12. doi:10.3390/jcs8110466en_US
dc.identifier.doi10.3390/jcs8110466
dc.identifier.endpage12
dc.identifier.issn2504-477X
dc.identifier.issue11
dc.identifier.scopus2-s2.0-85210580095
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/11729/6637
dc.identifier.urihttps://doi.org/10.3390/jcs8110466
dc.identifier.volume8
dc.identifier.wosWOS:001365296700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakEmerging Sources Citation Index (ESCI)en_US
dc.institutionauthorGül, Ayşenuren_US
dc.institutionauthorid0000-0002-4092-5273
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)en_US
dc.relation.ispartofJournal of Composites Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCompressive strengthen_US
dc.subjectElastic modulusen_US
dc.subjectEpoxy resinen_US
dc.subjectGraphiteen_US
dc.subjectTensile strengthen_US
dc.subjectThermal conductivityen_US
dc.subjectExpanded graphiteen_US
dc.subjectBoron-nitrideen_US
dc.subjectConductivityen_US
dc.subjectGrapheneen_US
dc.subjectPerformanceen_US
dc.subjectCompositesen_US
dc.titleEffect of mechanically exfoliated graphite flakes on morphological, mechanical, and thermal properties of epoxyen_US
dc.typeArticleen_US
dspace.entity.typePublicationen_US

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