The effect of austempering on the microstructure and mechanical properties of PM Fe-0.8c steel aloyed with copper and nickel

dc.contributor.authorGokmese, Hakan
dc.contributor.authorSaricicek, Nurullah
dc.contributor.authorGural, Ahmet
dc.date.accessioned2024-02-23T14:34:40Z
dc.date.available2024-02-23T14:34:40Z
dc.date.issued2019
dc.departmentNEÜen_US
dc.description.abstractThe effects of austempering heat treatment on the microstructure and mechanical properties of sintered steel containing 3 % Cu and 3 % Ni powders with addition of 0.8 % graphite powders were examined. For this purpose, the powder mixtures containing 3 % Cu, 3 % Ni, and 0.8% graphite powder were compacted under 700 MPa of pressure within molds in accordance with the standard tensile and impact test specimen dimensions. All of the green compacts were sintered under an argon (99.99 %) gas atmosphere for 20 min at 1 150 degrees C. The austempering heat treatments were applied to the sintered specimens for different periods ranging from 15 to 120 min in a salt bath at 350 degrees C in order to obtain a bainitic structure after the austenitization process at 850 degrees C. The hardness, tensile, and charpy impact tests were carried out at room temperature. It was found that there was a decrease in the hardness value depending on the austempering conditions; moreover, a significant increase was observed in the tensile and impact toughness values. Remarkable strength and ductility values were obtained with the austempering applied for 60-120 min.en_US
dc.identifier.doi10.3139/146.111811
dc.identifier.endpage852en_US
dc.identifier.issn1862-5282
dc.identifier.issn2195-8556
dc.identifier.issue9en_US
dc.identifier.scopus2-s2.0-85115296469en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage844en_US
dc.identifier.urihttps://doi.org/10.3139/146.111811
dc.identifier.urihttps://hdl.handle.net/20.500.12452/15700
dc.identifier.volume110en_US
dc.identifier.wosWOS:000485876100006en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCarl Hanser Verlagen_US
dc.relation.ispartofInternational Journal Of Materials Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPm Steelen_US
dc.subjectAustemperingen_US
dc.subjectTensile Strengthen_US
dc.subjectImpact Toughnessen_US
dc.subjectMicrostructureen_US
dc.titleThe effect of austempering on the microstructure and mechanical properties of PM Fe-0.8c steel aloyed with copper and nickelen_US
dc.typeArticleen_US

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