Effect of diffusion annealing on duplex coated pure titanium produced by hot-dip aluminizing and micro-arc oxidation

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dc.authorid0000-0001-8199-4032en_US
dc.contributor.authorYürektürk, Yakup
dc.date.accessioned2022-10-12T11:24:23Z
dc.date.available2022-10-12T11:24:23Z
dc.date.issued2022en_US
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.description.abstractIn the present study, an Al2O3 ceramic coating was formed on a pure titanium surface with the application of the duplex coating technology produced by combining hot-dip aluminizing (HDA) and micro-arc oxidation (MAO) processes. Due to the porous nature of MAO coating with the structural and mechanical differences between the MAO (Al2O3) and HDA layers (Al, Al3Ti), diffusion annealing treatment was applied to duplex coated (HDA + MAO) titanium samples. With the diffusion annealing treatment, a composite layer with a thickness of about 125 mu m was formed beneath the modified MAO coating, which showed a denser structure by penetrating TiO2 into the MAO. MAO coatings with and without diffusion annealing exhibited compressive residual stresses with values of-1530 and-850 MPa, respectively. Microhardness and elastic modulus of the diffusion annealing-treated MAO coating reached 1230.1 HV and 241.3 GPa, respectively. The diffusion annealing-treated MAO coating provided-29% less coefficient of friction and-8.4 times greater relative wear resistance than that of MAO coating without diffusion annealing.en_US
dc.identifier.uri1879-3347
dc.identifier.urihttps://hdl.handle.net/20.500.12885/2090
dc.identifier.volume433en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.institutionauthorYürektürk, Yakup
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE SAen_US
dc.relation.ispartofSURFACE & COATINGS TECHNOLOGYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTitaniumen_US
dc.subjectHot-dip aluminizingen_US
dc.subjectMicro-arc oxidationen_US
dc.subjectDiffusion annealingen_US
dc.subjectWearen_US
dc.titleEffect of diffusion annealing on duplex coated pure titanium produced by hot-dip aluminizing and micro-arc oxidationen_US
dc.typeArticleen_US

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