CVD Mo, W and Cr oxycarbide, carbide and silicide coatings on SiC yarn
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SiC yarn has been coated with molybdenum oxycarbide and tungsten oxycarbide without degrading the fibre. Conversion of the coatings to the metals has been accomplished by heat treatment in nitrogen. These metal coatings have then been converted to suicide coatings by heating in SiCl4. An SiC/WOC minicomposite has been formed by longer deposition of tungsten oxycarbide on a silicon carbide yarn.
KeywordsNitrogen Polymer Silicon Carbide Heat Treatment
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