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정후영

Jeong, Hu Young
UCRF Electron Microscopy group
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dc.citation.endPage 29 -
dc.citation.startPage 24 -
dc.citation.title SCRIPTA MATERIALIA -
dc.citation.volume 187 -
dc.contributor.author Kim, Beomcheol -
dc.contributor.author Hong, Chang Hee -
dc.contributor.author Kim, Jong Chan -
dc.contributor.author Lee, Si-Young -
dc.contributor.author Baek, Soo-Min -
dc.contributor.author Jeong, Hu Young -
dc.contributor.author Park, Sung Soo -
dc.date.accessioned 2023-12-21T17:06:26Z -
dc.date.available 2023-12-21T17:06:26Z -
dc.date.created 2020-08-10 -
dc.date.issued 2020-10 -
dc.description.abstract We report that the grain size of an extruded Mg-6Zn-0.5Zr alloy is significantly reduced by the addition of Ca. The grain size was reduced from 4.2 to 1.6 mu m by the addition of 0.2 wt% Ca, leading to an increase in the yield strength to as high as 65 MPa. Microstructural analysis indicated that adding Ca to the alloy results in the co-presence of MgZn2 and Ca2Mg6Zn3 particles within the alpha-Mg matrix and the co-segregation of Zn and Ca at the grain boundaries. The factors responsible for such remarkable changes in the microstructure and tensile properties are also discussed. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. -
dc.identifier.bibliographicCitation SCRIPTA MATERIALIA, v.187, pp.24 - 29 -
dc.identifier.doi 10.1016/j.scriptamat.2020.06.001 -
dc.identifier.issn 1359-6462 -
dc.identifier.scopusid 2-s2.0-85086375323 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/47554 -
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S1359646220303481?via%3Dihub -
dc.identifier.wosid 000551272900006 -
dc.language 영어 -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.title Factors affecting the grain refinement of extruded Mg-6Zn-0.5Zr alloy by Ca addition -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering -
dc.relation.journalResearchArea Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Magnesium -
dc.subject.keywordAuthor Grain refinement -
dc.subject.keywordAuthor Strengthening -
dc.subject.keywordAuthor Particle pinning -
dc.subject.keywordAuthor Grain boundary segregation -
dc.subject.keywordPlus STRETCH FORMABILITY -
dc.subject.keywordPlus HIGH-STRENGTH -
dc.subject.keywordPlus PRECIPITATION -
dc.subject.keywordPlus ELEMENTS -
dc.subject.keywordPlus TEXTURE -
dc.subject.keywordPlus RECRYSTALLIZATION -
dc.subject.keywordPlus MICROSTRUCTURE -
dc.subject.keywordPlus SIZE -
dc.subject.keywordPlus MG-ZN -

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