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Flame-resistant Ca-containing AZ31 magnesium alloy sheets with good mechanical properties fabricated by a combination of strip casting and high-ratio differential speed rolling methods

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dc.contributor.authorKim, Y. H.-
dc.contributor.authorKim, W. J.-
dc.date.available2020-07-10T07:22:33Z-
dc.date.created2020-07-06-
dc.date.issued2015-03-
dc.identifier.issn1598-9623-
dc.identifier.urihttps://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/10321-
dc.description.abstractThis study reported that a combination of strip casting and high-ratio differential speed rolling (HRDSR) can produce flame-resistant Mg alloy sheets (0.7 wt%Ca-AZ31: 0.7Ca-AZ31) with good room-temperature mechanical properties and high-temperature formability. HRDSR effectively refined the coarse microstructure of the strip-casting processed 0.7Ca-AZ31 alloy. As the result, the (true) grain size was reduced to as small as 2.7 mu m and the (Mg, Al)(2)Ca phase was broken up to fine particles with an average sizes of 0.5 mu m. Due to the advantage of having such a highly refined microstructure, the HRDSR-processed 0.7Ca-AZ31 alloy sheet exhibited a high yield stress over 300 MPa and good superplasticity at elevated temperatures. The deformation mechanism of the fine-grained 0.7Ca-AZ31 alloy in the superplastic regime was identified to be grainboundary-diffusion or lattice-diffusion controlled grain boundary sliding.-
dc.language영어-
dc.language.isoen-
dc.publisherKOREAN INST METALS MATERIALS-
dc.subjectFINITE-ELEMENT-ANALYSIS-
dc.subjectTENSILE PROPERTIES-
dc.subjectMG-
dc.subjectSUPERPLASTICITY-
dc.subjectMICROSTRUCTURE-
dc.subjectDEFORMATION-
dc.subjectBEHAVIOR-
dc.subjectTEMPERATURE-
dc.subjectCREEP-
dc.titleFlame-resistant Ca-containing AZ31 magnesium alloy sheets with good mechanical properties fabricated by a combination of strip casting and high-ratio differential speed rolling methods-
dc.typeArticle-
dc.contributor.affiliatedAuthorKim, W. J.-
dc.identifier.doi10.1007/s12540-015-4338-5-
dc.identifier.scopusid2-s2.0-84924812144-
dc.identifier.wosid000351317100021-
dc.identifier.bibliographicCitationMETALS AND MATERIALS INTERNATIONAL, v.21, no.2, pp.374 - 381-
dc.relation.isPartOfMETALS AND MATERIALS INTERNATIONAL-
dc.citation.titleMETALS AND MATERIALS INTERNATIONAL-
dc.citation.volume21-
dc.citation.number2-
dc.citation.startPage374-
dc.citation.endPage381-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.identifier.kciidART001968376-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaMetallurgy & Metallurgical Engineering-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryMetallurgy & Metallurgical Engineering-
dc.subject.keywordPlusFINITE-ELEMENT-ANALYSIS-
dc.subject.keywordPlusTENSILE PROPERTIES-
dc.subject.keywordPlusMG-
dc.subject.keywordPlusSUPERPLASTICITY-
dc.subject.keywordPlusMICROSTRUCTURE-
dc.subject.keywordPlusDEFORMATION-
dc.subject.keywordPlusBEHAVIOR-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusCREEP-
dc.subject.keywordAuthoralloys-
dc.subject.keywordAuthorsevere plastic deformation-
dc.subject.keywordAuthorsuperplasticity-
dc.subject.keywordAuthortensile test-
dc.subject.keywordAuthordifferential speed rolling-
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