한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제45권9호
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  • Pages.544-548
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  • 2008
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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Polycarbosilane을 이용한 TiB2-SiC 세라믹의 형성

Formation of TiB2-SiC Ceramics from TiB2-Polycarbosilane Mixtures

  • 강신혁 (성균관대학교 신소재공학부) ;
  • 이동화 (성균관대학교 신소재공학부) ;
  • 김득중 (성균관대학교 신소재공학부)
  • Kang, Shin-Hyuk (School of Materials Science and Engineering, Sungkyunkwan University) ;
  • Lee, Dong-Hwa (School of Materials Science and Engineering, Sungkyunkwan University) ;
  • Kim, Deug-Joong (School of Materials Science and Engineering, Sungkyunkwan University)
  • 발행 : 2008.09.30
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초록

The formation of $TiB_2-SiC$ ceramics from $TiB_2$-Polycarbosilane (PCS) mixtures was investigated. The powder mixture of $TiB_2$ with PCS was pressed at $300^{\circ}C$ with 200 MPa and sintered at $1700{\sim}2000^{\circ}C$ for 1 h in a flowing Ar atmosphere. The sintered density of $TiB_2$ with PCS is 93.7% after sintering at $2000^{\circ}C$ for 1 h, which is slightly smaller than that of the specimen without PCS. The microstructure of $TiB_2$ with PCS consists of small and uniform $TiB_2$ particles with well dispersed SiC particles derived from PCS. It is believed that the addition of PCS was effective to suppress the grain growth of $TiB_2$.

키워드

참고문헌

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