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dc.contributor.authorKim, Gyu-Mi-
dc.contributor.authorCho, Gyung-Sun-
dc.contributor.authorLim, Dea-Soon-
dc.contributor.authorPark, Sang-Whan-
dc.date.accessioned2024-01-20T19:04:32Z-
dc.date.available2024-01-20T19:04:32Z-
dc.date.created2021-09-02-
dc.date.issued2010-06-
dc.identifier.issn1229-9162-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/131413-
dc.description.abstractSingle phase beta-SiC powders were synthesized using SiO2/C hybrid precursors with and without the addition of metallic Si powders. The SiO2/C hybrid precursors with various C/Si mole ratios (1.6-4.0) were prepared by a sol-gel process using tetraethyl orthosilicate and phenol resin as starting materials. Fine beta-SiC powders were synthesized by the carbothermal reduction of the SiO2/C hybrid precursor with and without the addition of metallic Si powders in the temperature range between 1250 degrees C-1800 degrees C under a vacuum atmosphere. Single phase beta-SiC powders were obtained by the carbothermal reduction of the SiO2/C hybrid precursor with a C/Si mole ratio of 1.6 above 1600 degrees C under a vacuum atmosphere. It was found that the addition of metallic Si powders to the the SiO2/C hybrid precursor with excess carbon reduced the temperature for the synthesis of single phase beta-SiC powders to as low as 1350 degrees C. The particle sizes of synthesized beta-SiC powders from the metallic Si powder added SiO2/C hybrid precursor with excess carbon were less than 1 mu m, in which fine beta-SiC powders appeared to be slightly aggregated.-
dc.languageEnglish-
dc.publisherKOREAN ASSOC CRYSTAL GROWTH, INC-
dc.subjectSILICON-CARBIDE POWDERS-
dc.subjectCARBOTHERMAL REDUCTION-
dc.titleThe effects of metallic Si addtions on the synthesis of beta-SiC powders using a sol-gel method-
dc.typeArticle-
dc.description.journalClass1-
dc.identifier.bibliographicCitationJOURNAL OF CERAMIC PROCESSING RESEARCH, v.11, no.3, pp.377 - 383-
dc.citation.titleJOURNAL OF CERAMIC PROCESSING RESEARCH-
dc.citation.volume11-
dc.citation.number3-
dc.citation.startPage377-
dc.citation.endPage383-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.identifier.wosid000280125600020-
dc.identifier.scopusid2-s2.0-77958157098-
dc.relation.journalWebOfScienceCategoryMaterials Science, Ceramics-
dc.relation.journalResearchAreaMaterials Science-
dc.type.docTypeArticle-
dc.subject.keywordPlusSILICON-CARBIDE POWDERS-
dc.subject.keywordPlusCARBOTHERMAL REDUCTION-
dc.subject.keywordAuthorSynthesis-
dc.subject.keywordAuthorSiC powder-
dc.subject.keywordAuthorSol-gel-
dc.subject.keywordAuthorcarbothermal-
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