Effect of hot rolling process parameters on the microstructure and mechanical properties of continuously cooled low-carbon high-strength low-alloy (HSLA) steel

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dc.authoridAlan, Emre/0000-0002-1894-0231
dc.authoridAYHAN, Ismail Irfan/0009-0007-3720-7354
dc.contributor.authorKucukakarsu, Furkan Yilmaz
dc.contributor.authorAyhan, Ismail Irfan
dc.contributor.authorAlan, Emre
dc.contributor.authorTastemur, Demet
dc.contributor.authorGunduz, Suleyman
dc.date.accessioned2024-09-29T16:06:14Z
dc.date.available2024-09-29T16:06:14Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractIn this work, high-strength low-alloy (HSLA) steel with 0.22 wt% carbon was produced in laboratory scale and hot rolled with a total deformation of 42% via 4, 5, or 6 passes. After multipass hot rolling process, samples were examined either in as-rolled (AR) or as-rolled and heat-treated (ARH) conditions. The results indicated that microstructural and mechanical properties of HSLA steels are influenced by hot rolling conditions for both cases. It was observed that strength values in AR samples have a tendency to increase with increment in rolling pass number. In contrast to AR samples, it was seen that the mechanical properties were slightly decreased in ARH samples that were austenitized at 1150 degrees C for 45 min and then cooled in still air. Microstructural investigations showed that finer precipitates in AR samples are obviously more than that of ARH samples, as an evidence for higher strength results by precipitation hardening. In addition to precipitation strengthening, refinement of lath bainite and amount of blocky martensite/austenite in AR samples favor the increase in strength.en_US
dc.identifier.doi10.1515/mt-2021-2220
dc.identifier.endpage1149en_US
dc.identifier.issn0025-5300
dc.identifier.issn2195-8572
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85135961319en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1136en_US
dc.identifier.urihttps://doi.org/10.1515/mt-2021-2220
dc.identifier.urihttps://hdl.handle.net/20.500.14619/6717
dc.identifier.volume64en_US
dc.identifier.wosWOS:000835877200004en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
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.subjecthot rollingen_US
dc.subjectmechanical propertiesen_US
dc.subjectmicroalloyed steelen_US
dc.subjectmicrostructureen_US
dc.subjectmultipass rollingen_US
dc.titleEffect of hot rolling process parameters on the microstructure and mechanical properties of continuously cooled low-carbon high-strength low-alloy (HSLA) steelen_US
dc.typeArticleen_US

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