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College of Engineering(공과대학)Dept. of Materials Science and Engineering(신소재공학과)MS-Journal Papers(저널논문)

Abnormal grain growth in barium titanate doped with alumina

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dc.contributor.authorFisher, JGko
dc.contributor.authorChoi, SYko
dc.contributor.authorKang, Suk-Joong Lko
dc.date.accessioned2013-03-08T02:07:56Z-
dc.date.available2013-03-08T02:07:56Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-07-
dc.identifier.citationJOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.89, pp.2206 - 2212-
dc.identifier.issn0002-7820-
dc.identifier.urihttp://hdl.handle.net/10203/91798-
dc.description.abstractThe effect of additions of <= 1 mol% Al2O3 on abnormal grain growth in BaTiO3 sintered for periods of <= 60 min at 1350 degrees C has been studied. Addition of <= 0.2 mol% Al2O3 caused an increase in the nucleation and growth rates of abnormal grains, with further additions causing a decrease. This behavior is explained by interface-controlled growth. Dopant adsorption reduces both the edge free energy and the step velocity of a grain, causing the nucleation and growth rates of abnormal grains to increase, pass through a maximum, and then decrease with increasing dopant concentration.-
dc.languageEnglish-
dc.publisherBLACKWELL PUBLISHING-
dc.subjectPOSITIVE TEMPERATURE-COEFFICIENT-
dc.subjectOXYGEN PARTIAL-PRESSURE-
dc.subjectFACETED WC GRAINS-
dc.subjectCOARSENING BEHAVIOR-
dc.subjectN-BATIO3 CERAMICS-
dc.subjectKDP CRYSTALS-
dc.subjectBATIO3-
dc.subjectLIQUID-
dc.subjectDISLOCATIONS-
dc.subjectIMPURITIES-
dc.titleAbnormal grain growth in barium titanate doped with alumina-
dc.typeArticle-
dc.identifier.wosid000238438900021-
dc.identifier.scopusid2-s2.0-33745294186-
dc.type.rimsART-
dc.citation.volume89-
dc.citation.beginningpage2206-
dc.citation.endingpage2212-
dc.citation.publicationnameJOURNAL OF THE AMERICAN CERAMIC SOCIETY-
dc.identifier.doi10.1111/j.1551-2916.2006.00973.x-
dc.contributor.localauthorKang, Suk-Joong L-
dc.contributor.nonIdAuthorFisher, JG-
dc.contributor.nonIdAuthorChoi, SY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusPOSITIVE TEMPERATURE-COEFFICIENT-
dc.subject.keywordPlusOXYGEN PARTIAL-PRESSURE-
dc.subject.keywordPlusFACETED WC GRAINS-
dc.subject.keywordPlusCOARSENING BEHAVIOR-
dc.subject.keywordPlusN-BATIO3 CERAMICS-
dc.subject.keywordPlusKDP CRYSTALS-
dc.subject.keywordPlusBATIO3-
dc.subject.keywordPlusLIQUID-
dc.subject.keywordPlusDISLOCATIONS-
dc.subject.keywordPlusIMPURITIES-
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