Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Fabrication of Light-weight Ceramic Insulation Materials by Using Oxide Ceramic Fibers for Reusable Thermal Protection Systems

산화물 세라믹섬유를 이용한 재사용 열보호시스템용 경량 세라믹 단열소재의 제조

  • Seongwon, Kim (Engineering Materials Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Min-Soo, Nam (Engineering Materials Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Yoon-Suk, Oh (Engineering Materials Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Sahn, Nahm (Department of Materials Science and Engineering, Korea University) ;
  • Jaesung, Shin (Small Launcher R&D Office, Korea Aerospace Research Institute) ;
  • Hyeonjun, Kim (Small Launcher R&D Office, Korea Aerospace Research Institute) ;
  • Bum-Seok, Oh (Launcher Thermal and Aerodynamics Team, Korea Aerospace Research Institute)
  • 김성원 (한국세라믹기술원 이천분원 엔지니어링소재센터) ;
  • 남민수 (한국세라믹기술원 이천분원 엔지니어링소재센터) ;
  • 오윤석 (한국세라믹기술원 이천분원 엔지니어링소재센터) ;
  • 남산 (고려대학교 신소재공학과) ;
  • 신재성 (한국항공우주연구원 소형발사체연구단) ;
  • 김현준 (한국항공우주연구원 소형발사체연구단) ;
  • 오범석 (한국항공우주연구원 발사체열/공력팀)
  • Received : 2022.12.02
  • Accepted : 2022.12.23
  • Published : 2022.12.28
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Abstract

Thermal protection systems (TPS) are a group of materials that are indispensable for protecting spacecraft from the aerodynamic heating occurring during entry into an atmosphere. Among candidate materials for TPS, ceramic insulation materials are usually considered for reusable TPS. In this study, ceramic insulation materials, such as alumina enhanced thermal barrier (AETB), are fabricated via typical ceramic processing from ceramic fiber and additives. Mixtures of silica and alumina fibers are used as raw materials, with the addition of B4C to bind fibers together. Reaction-cured glass is also added on top of AETB to induce water-proof functionality or high emissivity. Some issues, such as the elimination of clumps in the AETB, and processing difficulties in the production of reusable surface insulation are reported as well.

Keywords

Acknowledgement

본 연구는 한국항공우주연구원 2022년도 기본사업(출연금)과제 '극초음속 미래비행체 핵심기술 연구(1711170889)' 로부터 연구비를 지원받아 수행되었으며 이에 감사드립니다.

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