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Silicon Carbide Coating on Graphite and Isotropic C/C Composite by Chemical Vapour Reaction
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  • Journal title : Carbon letters
  • Volume 8, Issue 2,  2007, pp.91-94
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2007.8.2.091
 Title & Authors
Silicon Carbide Coating on Graphite and Isotropic C/C Composite by Chemical Vapour Reaction
Manocha, L.M.; Patel, Bharat; Manocha, S.;
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 Abstract
The application of Carbon and graphite based materials in unprotected environment is limited to a temperature of or so because of their susceptibility to oxidation at this temperature and higher. To over come these obstacles a low cost chemical vapour reaction process (CVR) was developed to give crystalline and high purity SiC coating on graphite and isotropic C/C composite. CVR is most effective carbothermal reduction method for conversation of a few micron of carbon layer to SiC. In the CVR method, a sic conversation layer is formed by reaction between carbon and gaseous reagent silicon monoxide at high temperature. Characterization of SiC coating was carried out using SEM. The other properties studied were hardness density and conversion efficiency.
 Keywords
Carbothermal reduction;Graphite;Silicon carbide;Chemical vapor reaction;
 Language
English
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