C/C COMPOSITE MATERIAL HAVING HIGH OXIDATION RESISTANCE

摘要

PURPOSE: To provide a C/C composite material coated with an oxidation resistant coating film, which is improved in adhesiveness of the C/C composite material to a ceramic coating film and has high strength. CONSTITUTION: Oxidation resistance is imparted to the C/C composite material by forming a thermally decomposed carbon 3 with about 30μm film thickness on the surface of a C/C layer 2 by a CVD method, next applying molybdenum 4 with 10μm thickness as a high m.p. metal by sputtering, applying silicon carbide 5 with 100μm thickness by CVD method and providing a vitreous coating film layer 6 thereon.