Effect of functionalized graphene nanoplatelet dispersion on thermal and electrical properties of hybrid carbon fiber reinforced aviation epoxy laminated composite

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dc.authoriddemir, BILGE/0000-0002-3617-9749
dc.authoridAydin, Hamide/0000-0002-8267-2040
dc.contributor.authorBilgi, Cahit
dc.contributor.authorDemir, Bilge
dc.contributor.authorAydin, Hamide
dc.contributor.authorUstun, Burcu
dc.contributor.authorKurtan, Umran
dc.date.accessioned2024-09-29T15:57:51Z
dc.date.available2024-09-29T15:57:51Z
dc.date.issued2024
dc.departmentKarabük Üniversitesien_US
dc.description.abstractCarbon fiber reinforced polymers (CFRP) alone cannot meet the increasing requirements of the aerospace industry. Therefore, graphene nanoplatelets (GNPs) dispersed homogeneously in the matrix offer unique advantages. This study aimed to increase the thermal and electrical properties by adding functionalized GNPs (f f-GNP) to the aviation epoxy matrix (Araldite LY5052) in CFRP at different rates (neat- 0.5-1-1.5 wt%) for the first time and to provide homogeneous dispersion with surfactant. The results showed that FGNP as an additive achieved significant homogeneity. While the glass transition temperature (Tg) g ) in the neat composite is 121 degrees C, it is 123 degrees C, 127 degrees C and 133 degrees C in nanocomposites with 0.5-1-1.5 wt% additives, respectively. In addition, the melting point is 366 degrees C in the neat composite and 368.6 degrees C, 370 degrees C, and 370.3 degrees C in the nanocomposites with 0.5-1-1.5 wt% additives, respectively. The oxygen groups in the additive increased the energy barrier, thus increasing the percolation threshold. There was a 50 % increase in electrical conductivity in the sample with 0.5 wt% doping with bulk current density and an 18 % increase with 1 wt% doping with surface current density. Meanwhile, the it-it bonds formed by the surfactant with GNPs and the hydrogen bonds formed with the matrix served as a bridge by filling the gaps in the interphase, significantly increasing the flow of heat and electricity.en_US
dc.description.sponsorshipScientific Research Project Coordinator of Karabuek University [KBUEBAP-21-DR-080]; The Turkish Aerospace Industry (TAI)en_US
dc.description.sponsorshipThis study was supported by the Scientific Research Project Coordinator of Karabuek University within the scope of the KBUEBAP-21-DR-080 project. The Turkish Aerospace Industry (TAI) supported some of the experimental studies. The authors greatly appreciate the sponsorships of the abovementioned universities and companies for their generous support.en_US
dc.identifier.doi10.1016/j.matchemphys.2024.129702
dc.identifier.issn0254-0584
dc.identifier.issn1879-3312
dc.identifier.scopus2-s2.0-85199951952en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.matchemphys.2024.129702
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5045
dc.identifier.volume325en_US
dc.identifier.wosWOS:001288244700001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofMaterials Chemistry and Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGraphene nanoplatelet (GNP)en_US
dc.subjectAviation epoxy nanocompositesen_US
dc.subjectDispersionen_US
dc.subjectCarbon fiber reinforced polymer (CFRP)en_US
dc.subjectHybrid laminated compositesen_US
dc.titleEffect of functionalized graphene nanoplatelet dispersion on thermal and electrical properties of hybrid carbon fiber reinforced aviation epoxy laminated compositeen_US
dc.typeArticleen_US

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