Investigation of the structural properties and corrosion behavior of few-layered graphene reinforced Al-Zn matrix P/M composites

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dc.authorid0000-0003-4345-9199
dc.contributor.authorBorand, Gokce
dc.contributor.authorSenyurt, Berk
dc.contributor.authorAgaogullari, Duygu
dc.contributor.authorUzunsoy, Deniz
dc.contributor.authorAkcamli, Nazli
dc.date.accessioned2026-02-08T15:15:29Z
dc.date.available2026-02-08T15:15:29Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractA powder metallurgical production route was employed to produce Al-7.5 wt% Zn matrix composites reinforced with few-layered graphene (FLG). The in-house synthesized FLG by the electric arc discharge (EAD) method was incorporated into the Al-7.5Zn matrix through mechanical alloying (MA) in varying amounts (0, 0.5, 1.0, and 2.0 wt%). The mechanically alloyed (MAed) powders were consolidated by uniaxial pressing, and they were subjected to pressureless sintering at 635 degrees C for 2 h. The effects of FLG contents (0, 0.5, 1, and 2 wt%) and MA duration (0, 2, 4, and 8 h) were investigated regarding the microstructural, mechanical, tribological, and corrosion properties of bulk composites. The hardness values of 4 h MAed FLG/Al-7.5Zn composites having graphene in amounts of 0, 0.5, 1, and 2 wt% were determined as 77, 89, 107, and 119 HV, respectively. Compared to Al-7.5Zn alloy, 2 wt% FLG addition significantly increased the hardness of 4 h MAed Al-7.5Zn composites by approximately 54 %. In line with the hardness results, the addition of FLG notably and gradually enhanced the wear resistance of the composites. The Al-7.5Zn matrix displayed an ultimate compressive strength (sigma ucs) of 180 MPa, which significantly rose to 287 MPa for the Al-7.5Zn-1FLG composite, indicating a 1.6-times enhancement. Moreover, the addition of this amount of graphene did not degrade the corrosion performance of the Al-Zn matrix; in fact, it resulted in a slight improvement in the corrosion resistance of the composites.
dc.description.sponsorshipScientific and Technological Research Council of Trkiye (TUBITAK) [118M185]
dc.description.sponsorshipThis study was financially supported by The Scientific and Technological Research Council of Tuerkiye (TUBITAK) with project number 118M185.
dc.identifier.doi10.1016/j.solidstatesciences.2025.107980
dc.identifier.issn1293-2558
dc.identifier.issn1873-3085
dc.identifier.scopus2-s2.0-105005746076
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.solidstatesciences.2025.107980
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5789
dc.identifier.volume167
dc.identifier.wosWOS:001501293200001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofSolid State Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectAMCs
dc.subjectGraphene
dc.subjectPowder metallurgy
dc.subjectMechanical
dc.subjectTribological
dc.subjectAnd electrochemical properties
dc.titleInvestigation of the structural properties and corrosion behavior of few-layered graphene reinforced Al-Zn matrix P/M composites
dc.typeArticle

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