한국산업융합학회 논문집 (Journal of the Korean Society of Industry Convergence)

  • 제20권2호
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  • Pages.149-155
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  • 2017
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  • 1226-833X(pISSN)
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  • 2765-5415(eISSN)
한국산업융합학회 (The Korean Society of Industry Convergence)
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액상소결을 이용한 탄소코팅 SiCf/SiC복합재료의 파괴특성

Fracture Properties of Carbon Coated LPS-SiCf/SiC Composites

  • 김성원 (동의과학대학교 기계계열) ;
  • 이문희 (동의과학대학교 기계계열) ;
  • 황승국 (한국폴리텍대학 창원캠퍼스 컴퓨터응용기계과) ;
  • 이상필 (동의대학교 기계공학과)
  • Kim, Sung-Won (Division of Mechanical Engineering, Dong-Eui Institute of Technology) ;
  • Lee, Moon-Hee (Division of Mechanical Engineering, Dong-Eui Institute of Technology) ;
  • Hwang, Seung-Kuk (Computer Aided Mechanics Department, Changwon Campus Korea Polytechnic) ;
  • Lee, Sang-Pill (Dept. of Mechanicla Engineering, Dong-Eui university)
  • 투고 : 2017.03.22
  • 심사 : 2017.05.12
  • 발행 : 2017.06.30
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초록

Mechanical properties of carbon coated $SiC_f/SiC$ composites have been investigated, in conjunction with a detailed analysis of microstructure. Especially, the fracture behavior of $SiC_f/SiC$ composites by the induction of carbon coating layers has been examined. The matrix region of $SiC_f/SiC$ composites with ultra-fine SiC powders were consolidated by a liquid phase sintering (LPS) process, using a sintering additive of $Al_2O_3-Y_2O_3$ powder compound. In this composite, plain and satin- woven Tyranno SA fabrics were also utilized as a reinforcing material. A carbon interfacial layer was coated around satin-woven SiC fabrics. The characterization of LPS-$SiC_f/SiC$ composites was investigated by means of SEM and three point bending test.

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참고문헌

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