A microstructure evolution model for numerical prediction of austenite grain size distribution

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dc.contributor.authorJung, KHko
dc.contributor.authorLee, HWko
dc.contributor.authorIm, Yong-Taekko
dc.date.accessioned2013-03-09T07:56:59Z-
dc.date.available2013-03-09T07:56:59Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-09-
dc.identifier.citationINTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, v.52, no.9, pp.1136 - 1144-
dc.identifier.issn0020-7403-
dc.identifier.urihttp://hdl.handle.net/10203/95795-
dc.description.abstractIn this study, a mathematical model has been developed to predict austenite grain size (AGS) of hot rolled steel. Using the compression test, the static (SRX) and metadynamic (MDRX) recrystallization characteristics of medium carbon steel were studied. Compression tests were carried out at various temperatures in the range 900-1100 degrees C with strain rates ranging from 01 to 10 s(-1). The time required for 50% recrystallization for the SRX and MDRX was determined by carrying out double compression tests, respectively. Grain growth equation after full recrystallization was also derived by compression tests with various interpass times. The currently determined microstructure model has been integrated with a three-dimensional non-isothermal finite element program. The predicted results based on the model proposed in the present investigation for hot bar rolling processes were compared with the experimental data available in the literature. It was found that the proposed model was beneficial to understand the effect of recrystallization behavior and control the microstructure evolution during the hot bar rolling. (C) 2009 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectMETADYNAMIC RECRYSTALLIZATION-
dc.subjectMICROALLOYED STEELS-
dc.subjectHOT DEFORMATION-
dc.subjectKINETICS-
dc.titleA microstructure evolution model for numerical prediction of austenite grain size distribution-
dc.typeArticle-
dc.identifier.wosid000280538500007-
dc.identifier.scopusid2-s2.0-77955307301-
dc.type.rimsART-
dc.citation.volume52-
dc.citation.issue9-
dc.citation.beginningpage1136-
dc.citation.endingpage1144-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF MECHANICAL SCIENCES-
dc.contributor.localauthorIm, Yong-Taek-
dc.contributor.nonIdAuthorJung, KH-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorAustenite grain size (AGS)-
dc.subject.keywordAuthorStatic recrystallization (SRX)-
dc.subject.keywordAuthorMetadynamic recrystallization (MDRX)-
dc.subject.keywordAuthorFinite element analysis-
dc.subject.keywordPlusMETADYNAMIC RECRYSTALLIZATION-
dc.subject.keywordPlusMICROALLOYED STEELS-
dc.subject.keywordPlusHOT DEFORMATION-
dc.subject.keywordPlusKINETICS-
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