Mechanical properties of ultra-high-strength steels at elevated temperatures

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dc.contributor.authorŞen, Nuri
dc.contributor.authorDurucan, Gökhan
dc.contributor.authorElkoca, Oktay
dc.contributor.authorUygur, İlyas
dc.date.accessioned2020-04-30T23:19:09Z
dc.date.available2020-04-30T23:19:09Z
dc.date.issued2019
dc.departmentDÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.descriptionELKOCA, OKTAY/0000-0002-0007-0741en_US
dc.descriptionWOS: 000494015900001en_US
dc.description.abstractThis paper presents an experimental study on the mechanical properties of ultra-high-strength steels at elevated temperatures. Tensile tests were carried out at 300-600 degrees C on Docol 1200M and Docol 1400M steel samples. The results indicate that as the temperature increases Young's Modulus, yield strength (YS) and ultimate tensile strength (UTS) display a decrease. YS/UTS ratios at 300 degrees C are lower than those at room temperature, they make peaks at 400 and 500 degrees C for Docol 1400M and Docol 1200M, respectively, and then decrease again beyond those temperatures. While total elongation continuously increases, uniform elongation slightly decreases with increasing temperature. Present carbides in tempered matrix continue to grow and new carbides are observed at the grain boundaries. Considering all roll forming parameters, 300 degrees C seems the most convenient temperature for warm forming. In this sense, the warm roll forming has a potential for forming complex-shaped parts by reconciling strength with formability.en_US
dc.description.sponsorshipDuzce University Research FundDuzce University [2016.06.05.457]en_US
dc.description.sponsorshipThe authors gratefully acknowledge the financial support provided by the Duzce University Research Fund (project no.: 2016.06.05.457).en_US
dc.identifier.doi10.1080/03019233.2019.1683699en_US
dc.identifier.endpage952en_US
dc.identifier.issn0301-9233
dc.identifier.issn1743-2812
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage944en_US
dc.identifier.urihttps://doi.org/10.1080/03019233.2019.1683699
dc.identifier.urihttps://hdl.handle.net/20.500.12684/3667
dc.identifier.volume46en_US
dc.identifier.wosWOS:000494015900001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofIronmaking & Steelmakingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectUltra-high-strength steelsen_US
dc.subjectmartensitic steelsen_US
dc.subjectroll formingen_US
dc.subjectwarm formingen_US
dc.titleMechanical properties of ultra-high-strength steels at elevated temperaturesen_US
dc.typeArticleen_US

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