한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제24권2호
  • /
  • Pages.147-154
  • /
  • 1987
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  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

김천규석으로부터 질화규소의 합성

Synthesis of Silicon Nitride from Kimcheon Quartzite

  • 이홍림 (연세대학교 공과대학 요업공학과) ;
  • 서원선 (연세대학교 공과대학 요업공학과) ;
  • 조덕호 (국립공업시험원) ;
  • 이종민 (국립공업시험원)
  • 발행 : 1987.02.01
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초록

Silicon nitride powders were prepared by the simultaneous reduction and nitridation from powder mixtures of Kim cheon quartzite and carbon (graphite or carbon black) at1400$^{\circ}C$ for 10 hours in nitrogen atmosphere. The effects of the reaction variables on the yield of products and on the ${\alpha}$/${\beta}$ ratio were examined. The average particle size, density, and the ${\alpha}$/${\beta}$ ratio of the obtained si3N4 were 1.0$\mu\textrm{m}$, 3.10g/㎤ and 90/10, respectively. It was found that the Si3N4 powders obtained in this work were comparable to the foreign commercial products.

키워드

참고문헌

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