Effect of tempering temperature on mechanical properties and microstructure of AISI 4140 and AISI 4340 tempered steels

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dc.contributor.authorSaraç, Erdem
dc.contributor.authorÖzbek, Nursel Altan
dc.date.accessioned2023-07-26T11:58:46Z
dc.date.available2023-07-26T11:58:46Z
dc.date.issued2022
dc.departmentDÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractThe AISI 4140 and AISI 4340 tempered steels are widely used in industry. This study investigated the effects of the tempering temperature on the mechanical properties of these steels. The steels were kept at 850 degrees C for 30 min, left in an oil environment, and then subjected to hardening. The samples were then tempered for 1 h at four different temperatures (300, 450, 550, and 650 degrees C). Hardness measurements were performed to determine the mechanical properties of the materials. In addition, the samples were subjected to tensile, notch impact, and wear tests. The samples were also examined microstructurally. The results revealed that the hardness, impact energy, and wear rates of samples of both steels decreased when tempering was applied after quenching. As the tempering temperature was increased, these values tended to decrease. However, the impact value increased in parallel with the tempering heat treatment and tempering temperature.en_US
dc.description.sponsorshipDuzce University Research Fund [BAP-2018]en_US
dc.description.sponsorshipThis project is supported by Duzce University Research Fund Project Number: BAP-2018. 22.01.722. In addition, the authors thank ERDEMIR TAS for making use of the laboratory facilities during the study.en_US
dc.identifier.doi10.1515/mt-2021-2151
dc.identifier.endpage841en_US
dc.identifier.issn0025-5300
dc.identifier.issn2195-8572
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-85131864435en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage832en_US
dc.identifier.urihttps://doi.org/10.1515/mt-2021-2151
dc.identifier.urihttps://hdl.handle.net/20.500.12684/13566
dc.identifier.volume64en_US
dc.identifier.wosWOS:000807109800008en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖzbek, Nursel Altan
dc.institutionauthorSaraç, Erdem
dc.language.isoenen_US
dc.publisherWalter De Gruyter Gmbhen_US
dc.relation.ispartofMaterials Testingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.subjectHardness; Impact Energy; Microstructure; Tempering Temperature; Wearen_US
dc.subjectHeat-Treatment; Alloy-Steelen_US
dc.titleEffect of tempering temperature on mechanical properties and microstructure of AISI 4140 and AISI 4340 tempered steelsen_US
dc.typeArticleen_US

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