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Cited 42 time in webofscience Cited 42 time in scopus
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dc.contributor.authorPark, KT-
dc.contributor.authorMyung, SH-
dc.contributor.authorShin, DH-
dc.contributor.authorLee, CS-
dc.date.accessioned2016-03-31T12:28:25Z-
dc.date.available2016-03-31T12:28:25Z-
dc.date.created2009-04-08-
dc.date.issued2004-04-25-
dc.identifier.issn0921-5093-
dc.identifier.other2004-OAK-0000004224-
dc.identifier.urihttps://oasis.postech.ac.kr/handle/2014.oak/17948-
dc.description.abstractAn ultrafine grained 5083 Al alloy was prepared by equal channel angular pressing with route B-c and an effective strain of similar to4 or similar to8. The changes of the size and distribution of second phase particles and voids pre-existing in the alloy during equal channel angular pressing (ECAP) were examined in detail. Under the present ECAP conditions, a portion of particles of 1.5-3.5 mum substantially increased. However, the further break-up of particles with these sizes became less significant and they were to be distributed more uniformly throughout the sample with increasing the ECAP pass from 4 to 8. In addition, these particles were likely to act as the preferential cavity nucleation sites during low-temperature superplastic deformation of the alloy. The population of voids with the size of 0.5-1.5 mum remarkably increased after ECAP. An analysis revealed that these voids were difficult to be sintered out at low-temperature superplastic deformation temperatures prior to deformation and might grow to larger size cavities. From the present results and analysis, it is suggested that the number of the ECAP pass less than that resulting the largest elongation may be preferable in the viewpoint of cavitation damage and commercial application of low-temperature superplasticity of ultrafine grained Al alloys, if moderate superplastic elongation is ensured. (C) 2003 Elsevier B.V. All rights reserved.-
dc.description.statementofresponsibilityX-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.relation.isPartOfMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING-
dc.subject5083 Al-
dc.subjectECAP-
dc.subjectultrafine grains-
dc.subjectvoids-
dc.subjectsecond phase particles-
dc.subjectcavitation-
dc.subjectlow-temperature superplasticity-
dc.subjectSEVERE PLASTIC-DEFORMATION-
dc.subjectAL-MG ALLOY-
dc.subjectSUBMICROMETER-GRAINED 5083-AL-ALLOY-
dc.subjectCAVITY GROWTH-
dc.subjectBEHAVIOR-
dc.subjectFLOW-
dc.titleSize and distribution of particles and voids pre-existing in equal channel angular pressed 5083 Al alloy: their effect on cavitation during low-temperature superplastic deformation-
dc.typeArticle-
dc.contributor.college신소재공학과-
dc.identifier.doi10.1016/j.msea.2003.11.042-
dc.author.googlePark, KT-
dc.author.googleMyung, SH-
dc.author.googleShin, DH-
dc.author.googleLee, CS-
dc.relation.volume371-
dc.relation.issue1-2-
dc.relation.startpage178-
dc.relation.lastpage186-
dc.contributor.id10071833-
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.371, no.1-2, pp.178 - 186-
dc.identifier.wosid000221238700024-
dc.date.tcdate2019-01-01-
dc.citation.endPage186-
dc.citation.number1-2-
dc.citation.startPage178-
dc.citation.titleMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING-
dc.citation.volume371-
dc.contributor.affiliatedAuthorLee, CS-
dc.identifier.scopusid2-s2.0-1942467199-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.wostc35-
dc.type.docTypeArticle-
dc.subject.keywordPlusSUBMICROMETER-GRAINED 5083-AL-ALLOY-
dc.subject.keywordPlusAL-MG ALLOY-
dc.subject.keywordPlusCAVITY GROWTH-
dc.subject.keywordPlusBEHAVIOR-
dc.subject.keywordPlusFLOW-
dc.subject.keywordAuthor5083 Al-
dc.subject.keywordAuthorECAP-
dc.subject.keywordAuthorultrafine grains-
dc.subject.keywordAuthorvoids-
dc.subject.keywordAuthorsecond phase particles-
dc.subject.keywordAuthorcavitation-
dc.subject.keywordAuthorlow-temperature superplasticity-
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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