Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effect of Filament Winding Methods on Surface Roughness and Fiber Volume Fraction of SiCf/SiC Composite Tubes

SiCf/SiC 복합체 튜브의 표면조도 및 섬유 부피 분율에 미치는 필라멘트 와인딩 방법의 영향

  • Kim, Daejong (Nuclear Materials Division, Korea Atomic Energy Research Institute) ;
  • Lee, Jongmin (Nuclear Materials Division, Korea Atomic Energy Research Institute) ;
  • Park, Ji Yeon (Nuclear Materials Division, Korea Atomic Energy Research Institute) ;
  • Kim, Weon-Ju (Nuclear Materials Division, Korea Atomic Energy Research Institute)
  • 김대종 (한국원자력연구원 원자력재료개발부) ;
  • 이종민 (한국원자력연구원 원자력재료개발부) ;
  • 박지연 (한국원자력연구원 원자력재료개발부) ;
  • 김원주 (한국원자력연구원 원자력재료개발부)
  • Received : 2013.09.13
  • Accepted : 2013.11.15
  • Published : 2013.11.30
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Abstract

Silicon carbide and its composites are being considered as a nuclear fuel cladding material for LWR nuclear reactors because they have a low neutron absorption cross section, low hydrogen production under accident conditions, and high strength at high temperatures. The SiC composite cladding tube considered in this study consists of three layers, monolith CVD SiC - $SiC_f$/SiC composite -monolith CVD SiC. The volume fraction of SiC fiber and surface roughness of the composite layer affect mechanical and corrosion properties of the cladding tube. In this study, various types of SiC fiber preforms with tubular shapes were fabricated by a filament winding method using two types of Tyranno SA3 grade SiC fibers with 800 filaments/yarn and 1600 filaments/yarn. After chemical vapor infiltration of the SiC matrix, the surface roughness and fiber volume fraction were measured. As filament counts were changed from 800 to 1600, the surface roughness increased but the fiber volume fraction decreased. The $SiC_f$/SiC composite with a bamboo-like winding pattern has a smaller surface roughness and a higher fiber volume fraction than that with a zigzag winding pattern.

Keywords

References

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