Fabrication and Characterization of Carbon Fiber Reinforced

탄소섬유강화 유리복합재료의 제조 및 특성분석

  • Cho, H.S. (Dept. of Inorg. Mat. Eng, Seoul National University) ;
  • Kim, S.D. (Dept. of Inorg. Mat. Eng, Seoul National University) ;
  • Cho, H.J. (Dept. of Inorg. Mat. Eng, Seoul National University) ;
  • Kong, S.S. (Dept. of Inorg. Mat. Eng, Seoul National University) ;
  • Choi, W.B. (Agency for Defence and Development) ;
  • Baek, Y.K. (Agency for Defence and Development) ;
  • Kim, H.J. (Dept. of Inorg. Mat. Eng, Seoul National University) ;
  • Kim, H. (Dept. of Inorg. Mat. Eng, Seoul National University)
  • 조해석 (서울대학교 무기재료공학과) ;
  • 김상덕 (서울대학교 무기재료공학과) ;
  • 조호진 (서울대학교 무기재료공학과) ;
  • 공선식 (서울대학교 무기재료공학과) ;
  • 최원봉 (국방과학연구소) ;
  • 백용기 (국방과학연구소) ;
  • 김형준 (서울대학교 무기재료공학과) ;
  • 김환 (서울대학교 무기재료공학과)
  • Published : 1992.08.01

Abstract

We investigated the influence of several processes, including the preparation of slurry and preform and the heat-treatment of the preform, on the properties of composites to fabricate the carbon-fiber reinforced glass composites having good mechanical properties. Cerander was determined to be the best binder among Cerander, Rhoplex and Elvacite 2045 by the dipping test and the binder within a preform could be completely eliminatd by burning out the specimen under 10-6 Torr at 400$^{\circ}C$ for more than 1h. The fracture behavior of a composite was largely dependent on the uniformity of carbon-fiber distribution within the composite and the heat-treatment condition of the composite. The higher the glass content, the more difficult to obtain uniform distribution of carbon-fiber. As the hot-pressing temperature increased, the densification process of the composite and the formation of pore due to oxidation of carbon fiber occurred competitively. But, above 1000$^{\circ}C$ the latter played a predominant role. We could fabricated the densest 15 vol.% carbon-fiber-content glass composite having the highest toughness and flexural strength of 250 MPa by hot-pressing under 15 MPa at 900$^{\circ}C$ for 30 min.

Keywords

References

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