Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effects of β-SiC Particle Seeds on Morphology and Size of High Purity β-SiC Powder Synthesized using Sol-Gel Process

β-SiC 분말 Seeds가 Sol-gel 공정으로 합성된 고순도 β-SiC 분말 형상 및 크기에 미치는 영향

  • Kim, Gyu-Mi (Material Science & Technology Research Division, Korea Institute of Science and Technology) ;
  • Cho, Gyoung-Sun (Material Science & Technology Research Division, Korea Institute of Science and Technology) ;
  • Park, Sang-Whan (Material Science & Technology Research Division, Korea Institute of Science and Technology)
  • 김규미 (한국과학기술연구원 재료기술연구본부) ;
  • 조경선 (한국과학기술연구원 재료기술연구본부) ;
  • 박상환 (한국과학기술연구원 재료기술연구본부)
  • Published : 2009.09.30
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Abstract

High purity $\beta$-SiC powders were synthesized using sol-gel processing. TEOS and phenol resin were used as the starting material for the silicon source and carbon source, respectively. The process turned out to be capable of producing high purity SiC powder purity degree with 99.98 %. However, it was difficult to control the shape and size of $\beta$-SiC powders synthesized by sol-gel process. In this study, $\beta$-SiC powder with size of $1{\sim}5$ um an 30 nm were used as the seeds for $\beta$-SiC to control the $\beta$-SiC powder morphology. It was found that $\beta$-SiC powder seeds was effective to increase the powder average size of synthesized $\beta$-SiC using sol-gel process by acting as the preferred growing sites for $\beta$-SiC.

Keywords

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