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Effects of Carbon Fiber Arrangement on Properties of LSI Cf-Si-SiC Composites

탄소섬유 배열이 LSI Cf-Si-SiC 복합체의 특성에 미치는 영향

  • Ji, Young-Hwa (Convergence Materials Research Center, Korea Institute of Energy Research (KIER)) ;
  • Han, In-Sub (Convergence Materials Research Center, Korea Institute of Energy Research (KIER)) ;
  • Kim, Se-Young (Convergence Materials Research Center, Korea Institute of Energy Research (KIER)) ;
  • Seo, Doo-Won (Convergence Materials Research Center, Korea Institute of Energy Research (KIER)) ;
  • Hong, Ki-Seog (Convergence Materials Research Center, Korea Institute of Energy Research (KIER)) ;
  • Woo, Sang-Kuk (Convergence Materials Research Center, Korea Institute of Energy Research (KIER))
  • 지영화 (한국에너지기술연구원 융복합재료연구센터) ;
  • 한인섭 (한국에너지기술연구원 융복합재료연구센터) ;
  • 김세영 (한국에너지기술연구원 융복합재료연구센터) ;
  • 서두원 (한국에너지기술연구원 융복합재료연구센터) ;
  • 홍기석 (한국에너지기술연구원 융복합재료연구센터) ;
  • 우상국 (한국에너지기술연구원 융복합재료연구센터)
  • Published : 2008.09.30

Abstract

Carbon fiber fabric-silicon carbide composites were fabricated by liquid silicon infiltration (LSI) process. The porous two-dimensional carbon fiber fabric performs were prepared by 13 plies of 2D-plain-weave fabric in a three laminating method, [0/90], [${\pm}45$], [$0/90/{\pm}45$] lay-up, respectively. Before laminating, a thin pyrolytic carbon (PyC) layer deposited on the surface of 2D-plain weave fabric sheets as interfacial layer with $C_3H_8$ and $N_2$ gas at $900^{\circ}C$. A densification of the preforms for $C_f-Si-SiC$ matrix composite was achieved according to the LSI process at $1650^{\circ}C$ for 30 min. in vacuum atmosphere. The bending strength of the each composite were measured and the microstructural consideration was performed by a FE-SEM.

Keywords

References

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Cited by

  1. Mechanical Behavior of Indentation Stress in Carbon Fiber Reinforced Silicon Carbide Composites with Different Densities vol.48, pp.4, 2011, https://doi.org/10.4191/KCERS.2011.48.4.288
  2. /SiC Composites vol.51, pp.5, 2014, https://doi.org/10.4191/kcers.2014.51.5.453