Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Improvement of Oxidation Resistance and Erosion Resistance Properties of the C/C Composite with the Multilayer Coating

다층코팅을 이용한 C/C 복합재료의 내산화성 및 내마모성 증진

  • 김옥희 (한국과학기술원 재료공학과) ;
  • 이승윤 (한국과학기술원 재료공학과) ;
  • 윤병일 (국방과학연구소) ;
  • 박종욱 (한국과학기술원 재료공학과)
  • Published : 1995.09.01
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Abstract

CVD-Si3N4/CVD-SiC/pack-SiC/pyro-carbon/(3-D C/C composite) multilayer coating was performed to improve the oxdiation resistance and erosion resistance properteis of the 3-D carbon/carbon composite, and the plasma test was performed to measure the oxidation resistance and erosion resistance properties. The thicknesses of each film layer were about 10${\mu}{\textrm}{m}$ for pack-SiC, 5${\mu}{\textrm}{m}$ for CVD-SiC and 40${\mu}{\textrm}{m}$ for CVD-Si3N4. When the multilayer coated specimen was exposed to the plasma flame with temperature of 500$0^{\circ}C$ for 20 seconds, it showed the weight loss five times less than that of the only pyro-carbon coated specimen.

Keywords

References

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