Continuous method of producing silicon carbide fibers

摘要

This invention provides a continuous method for production of polycrystalline ceramic fibers from silicon oxycarbide (SiCO) ceramic fibers. Said method comprises heating an amorphous ceramic fiber containing silicon and carbon in an inert environment comprising boron oxide and carbon monoxide at a temperature sufficient to convert said amorphous ceramic fiber to said polycrystalline fiber. The presence of carbon monoxide during the heating process of the ceramic fiber, unexpectedly achieves higher production rates on a continuous process. <IMAGE>