Precipitation of carbides in a nickel-based cast heat-resistant alloy during thermal exposure: evolution of microstructure, hardness and corrosion properties

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dc.contributor.authorÖztürk, Kubilay
dc.contributor.authorKısasöz, Alptekin
dc.contributor.authorÖzer, Gökhan
dc.contributor.authorKaraaslan, Ahmet
dc.date.accessioned2024-06-13T20:18:27Z
dc.date.available2024-06-13T20:18:27Z
dc.date.issued2023
dc.departmentFakülteler, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü
dc.description.abstractNi-based G-NiCr28W alloy, which is widely preferred in high-temperature applications, has an austenite matrix as well as carbides dispersed in the structure. The morphology of the carbides in the structure varies depending on the chemical composition and heat treatment. Carbide phases commonly seen in these alloys are MC, M7C3, and M23C6. These carbides can transform into each other and the mechanical properties of the alloy can be affected by the carbide transformation. In this study, the effects of the carbides on the morphology, distribution, and strength of the alloy were investigated following the solution treatment applied at different temperatures and durations. Samples were characterized by light metal microscopy, SEM, EDS, XRD analysis, hardness, and potentiodynamic polarization tests. After the process, due to the excess of more stable carbides and their homogeneous distribution within the structure, the highest hardness and corrosion values were revealed in the sample that was processed at 1000 & DEG;C for 100 h.
dc.identifier.doi10.1515/mt-2022-0243
dc.identifier.endpage243
dc.identifier.issn0025-5300
dc.identifier.issn2195-8572
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85147546306
dc.identifier.scopusqualityQ2
dc.identifier.startpage233
dc.identifier.urihttps://doi.org/10.1515/mt-2022-0243
dc.identifier.urihttps://hdl.handle.net/11501/1354
dc.identifier.volume65
dc.identifier.wosWOS:000925852200008
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKaraaslan, Ahmet
dc.language.isoen
dc.publisherWalter de Gruyter GmbH
dc.relation.ispartofMaterials Testing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCasting
dc.subjectCorrosion Behavior
dc.subjectG-Nicr28w Alloy
dc.subjectHeat Treatment
dc.subjectNickel Alloy
dc.titlePrecipitation of carbides in a nickel-based cast heat-resistant alloy during thermal exposure: evolution of microstructure, hardness and corrosion properties
dc.typeArticle

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