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Cited 38 time in webofscience Cited 49 time in scopus
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dc.contributor.authorHyo Kyung Sung-
dc.contributor.authorSang Yong Shin-
dc.contributor.authorByoungchul Hwang-
dc.contributor.authorChang Gil Lee-
dc.contributor.authorKim, NJ-
dc.contributor.authorLee, S-
dc.date.accessioned2016-03-31T09:02:00Z-
dc.date.available2016-03-31T09:02:00Z-
dc.date.created2012-03-27-
dc.date.issued2011-12-15-
dc.identifier.issn0921-5093-
dc.identifier.other2011-OAK-0000025444-
dc.identifier.urihttps://oasis.postech.ac.kr/handle/2014.oak/16511-
dc.description.abstractThe effects of carbon equivalent and cooling rateon tensile and Charpy impact properties of high-strength bainitic steels were investigated. Eight steel plates were fabricated with varying C, Cr, and Nb additions under two different cooling rates, and their microstructures, tensile, and Charpy impact properties were evaluated. Volume fractions of microstructural components present in the steels increased in the order of granular bainite, acicular ferrite, bainitic ferrite, and martensite as the carbon equivalent or cooling rate increased, which resulted in decreased ductility and upper shelf energy and increased energy transition temperature in spite of increased strength. In the steels containing about 50 vol.% of bainitic ferrite and martensite, the tensile strength was about 900 MPa, while the elongation and upper shelf energy were about 20% and 200J, respectively. In order to achieve the best combination of tensile strength, ductility, and upper shelf energy, e.g., 860-900 MPa, 20%, and 200J, respectively, granular bainite, and acicular ferrite were produced by controlling the carbon equivalent and cooling rate, while about 50 vol.% of bainitic ferrite and martensite were maintained to keep the high strength. (C) 2011 Elsevier B.V. All rights reserved.-
dc.description.statementofresponsibilityX-
dc.languageEnglish-
dc.publisherELSEVIER-
dc.relation.isPartOfMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING-
dc.subjectHigh-strength bainitic steel-
dc.subjectCarbon equivalent-
dc.subjectCooling rate-
dc.subjectALLOYING ELEMENTS-
dc.subjectACICULAR FERRITE-
dc.subjectMICROSTRUCTURES-
dc.subjectTRANSFORMATION-
dc.subjectDEFORMATION-
dc.subjectBEHAVIOR-
dc.subjectTEMPERATURE-
dc.subjectMORPHOLOGY-
dc.subjectAUSTENITE-
dc.subjectEQUATION-
dc.titleEffects of carbon equivalent and cooling rate on tensile and Charpy impact properties of high-strength bainitic steels-
dc.typeArticle-
dc.contributor.college철강대학원-
dc.identifier.doi10.1016/J.MSEA.2011.10.015-
dc.author.googleSung, HK-
dc.author.googleShin, SY-
dc.author.googleHwang, B-
dc.author.googleLee, CG-
dc.author.googleKim, NJ-
dc.author.googleLee, S-
dc.relation.volume530-
dc.relation.startpage530-
dc.relation.lastpage538-
dc.contributor.id10184505-
dc.relation.journalMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING-
dc.relation.indexSCI급, SCOPUS 등재논문-
dc.relation.sciSCI-
dc.collections.nameJournal Papers-
dc.type.rimsART-
dc.identifier.bibliographicCitationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v.2011, no.530, pp.530 - 538-
dc.identifier.wosid000298311100068-
dc.date.tcdate2019-01-01-
dc.citation.endPage538-
dc.citation.number530-
dc.citation.startPage530-
dc.citation.titleMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING-
dc.citation.volume2011-
dc.contributor.affiliatedAuthorKim, NJ-
dc.contributor.affiliatedAuthorLee, S-
dc.identifier.scopusid2-s2.0-82255183133-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.wostc16-
dc.description.scptc23*
dc.date.scptcdate2018-05-121*
dc.type.docTypeArticle-
dc.subject.keywordPlusALLOYING ELEMENTS-
dc.subject.keywordPlusACICULAR FERRITE-
dc.subject.keywordPlusMICROSTRUCTURES-
dc.subject.keywordPlusTRANSFORMATION-
dc.subject.keywordPlusDEFORMATION-
dc.subject.keywordPlusBEHAVIOR-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusMORPHOLOGY-
dc.subject.keywordPlusAUSTENITE-
dc.subject.keywordPlusEQUATION-
dc.subject.keywordAuthorHigh-strength bainitic steel-
dc.subject.keywordAuthorCarbon equivalent-
dc.subject.keywordAuthorCooling rate-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryMetallurgy & Metallurgical Engineering-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaMetallurgy & Metallurgical Engineering-

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이성학LEE, SUNG HAK
Dept of Materials Science & Enginrg
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