Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Synthesis of β-SiC Powder using a Recycled Graphite Block as a Source

그라파이트 블록을 원료로써 재활용한 β-SiC 분말 합성

  • Nguyen, Minh Dat (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology) ;
  • Bang, Jung Won (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Soo-Ryoung (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Younghee (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology) ;
  • Jung, Eunjin (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology) ;
  • Hwang, Kyu Hong (Department of Ceramic Engineering, Gyeongsang National Univ.) ;
  • Kwon, Woo-Teck (Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology)
  • Received : 2016.08.23
  • Accepted : 2016.12.28
  • Published : 2017.02.28
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Abstract

This paper relates to the synthesis of a source powder for SiC crystal growth. ${\beta}-SiC$ powders are synthesized at high temperatures (>$1400^{\circ}C$) by a reaction between silicon powder and carbon powder. The reaction is carried out in a graphite crucible operating in a vacuum ambient (or Ar gas) over a period of time sufficient to cause the Si+C mixture to react and form poly-crystalline SiC powder. End-product characterizations are pursued with X-ray diffraction analysis, SEM/EDS, particle size analyzer and ICP-OES. The purity of the end-product was analyzed with the Korean Standard KS L 1612.

본 연구는 SiC 결정 성장을 위한 원료 분말 합성법에 관한 것이다. ${\beta}-SiC$ 분말들은 높은 온도 조건(>$1400^{\circ}C$)에서 실리콘 분말과 탄소 분말의 반응에 의해서 합성 된다. 이 반응은 진공 상태(또는 Ar 가스 분위기)에서 실리콘+탄소 혼합물이 반응하고 다결정의 SiC 분말을 형성하기 충분한 횟수를 거쳐 그라파이트 도가니 안에서 진행된다. 최종 결과물의 특성들은 X-ray 회절, SEM/EDS, 입도 분석 및 ICP-OES을 통해 분석되었다. 또한, 최종 결과물의 순도는 the Korean Standard KS L 1612에 의거해서 분석했다.

Keywords

References

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