Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study on Development of Porous SiC Ceramic Heat Sink from Solar Wafering Slurry

태양광 웨이퍼링 슬러리 재생 다공성 SiC 세라믹 히트싱크 개발에 관한 연구

  • An, Il-Yong (Dept. of Mechanical Engineering, Graduate School of Kongju National University) ;
  • Lee, Young-Lim (Dept. of Mechanical and Automotive Engineering, Kongju National University)
  • 안일용 (공주대학교 대학원 기계공학과) ;
  • 이영림 (공주대학교 기계자동차공학부)
  • Received : 2012.04.18
  • Accepted : 2012.05.10
  • Published : 2012.05.31
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Abstract

In recent years, while the importance of thermal management has been emphasized due to smaller electronic products, various materials have been used as heat sink. In this study, porous ceramic heat sink was developed with SiC, successfully separated from the slurry of SiC occurring in solar energy materials industry and the thermal performance of porous SiC heat sink has been compared with those of aluminum heat sink and pure SiC heat sink through experiment. From the experimental results, it was verified that porous recycled SiC heat sink has better thermal performance than aluminum heat sink since its micropores increase the heat transfer area. In addition, the effect of the micropores on thermal performance has been quantified by increasing convective heat transfer coefficient with numerical analysis.

최근 들어 전자제품 소형화로 인한 방열의 중요성이 대두되고 있는 가운데 다양한 소재의 히트싱크가 사용되고 있다. 본 연구에서는 태양광에너지 소재산업에서 발생하는 슬러리로부터 SiC를 성공적으로 분리하여 다공성 세라믹 히트싱크를 개발하였고 알루미늄 히트싱크, 순수 SiC 히트싱크와 방열성능 비교실험을 통해 다공성 재생 SiC 세라믹 히트싱크의 방열성능을 검증하였다. 실험 결과, 다공성 재생 SiC는 알루미늄 히트싱크 대비 방열성능이 우수함을 확인하였는데 이는 미세기공으로 인한 전열면적 증가에 기인한다. 또한, 수치해석을 사용하여 미세기공이 방열성능에 미치는 영향을 대류열전달계수 증가로 정량화하였다.

Keywords

References

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