HEAT-RESISTANT COMPOSITE MATERIAL PRODUCTION METHOD AND PRODUCTION DEVICE

摘要

A mixed gas containing a raw material gas, an additive gas and a carrier gas is supplied to a preform (100) stored in an electric furnace (10), and silicon carbide is deposited by chemical vapor deposition or chemical vapor phase impregnation to form a film. The preform (100) comprises multiple fiber bundles, and the fiber bundles comprise multiple fibers. This heat-resistant composite material comprises a ceramic fiber preform impregnated with silicon carbide, and producing said composite material involves a step in which silicon carbide is deposited between the fibers to integrate the fibers which configure the fiber bundles, and a step in which silicon carbide is deposited between the fiber bundles to integrate the fiber bundles. Hereby, uniformity of embedding and growth rate of the silicon carbide film are both attained.