Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Ultra-high Temperature Ceramics-Ceramic Matrix Composites (UHTC-CMC)

섬유강화 초고온 세라믹스 복합재료(UHTC-CMC)

  • Lee, Sea-Hoon (Powder/Ceramics Division, Korea Institute of Materials Science) ;
  • Lun, Feng (Powder/Ceramics Division, Korea Institute of Materials Science) ;
  • Chung, Kyeongwoon (Powder/Ceramics Division, Korea Institute of Materials Science)
  • Received : 2017.03.30
  • Accepted : 2017.04.26
  • Published : 2017.04.30
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Abstract

Ultra-high temperature ceramics (UHTC) such as $ZrB_2$, ZrC, $HfB_2$, HfC and TaC has been recently actively investigated for the application as components such as nose-cone, rocket nozzle and leading edge of hypersonic systems. However, the application has been limited by various reasons. The brittleness of the materials and consequent low thermal shock resistance is one of the reasons. The property can be improved through the fabrication of ceramic matrix composites. In this paper, the concept of UHTC and the fabrication process and testing of UHTC-based ceramic matrix composites (UHTC-CMC) were briefly reviewed. Also, international activities regarding the fabrication of UHTC-CMC were summarized and a UHTC-CMC project, which was performed in Korea, was introduced.

$ZrB_2$, ZrC, $HfB_2$, HfC 및 TaC 등의 초고온 세라믹스들은 극초음속 체계의 노즈콘, 로켓 노즐 및 리딩 엣지 등에 적용하기 위하여 최근 활발한 연구가 진행되고 있다. 그러나 그 실제 적용은 다양한 원인 때문에 제약받고 있는데 취성 특성에 의한 낮은 열충격 저항 특성이 그 원인 중 하나이다. 그러한 문제는 세라믹 섬유강화 복합재료를 제조함으로써 개선될 수 있다. 본 리뷰에서는 초고온 세라믹스의 개념과 초고온 세라믹스 섬유강화 복합재료(UHTC-CMC)의 제조 공정 및 평가에 대하여 간단히 정리하였다. 또한 UHTC-CMC의 제조를 위한 세계적인 연구를 요약하였으며 한국에서 수행중인 초고온 세라믹스 연구에 대해 간단히 소개하였다.

Keywords

References

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