CVD Mo, W and Cr oxycarbide, carbide and silicide coatings on SiC yarn

CVD Mo, W and Cr oxycarbide, carbide and silicide coatings on SiC yarn

SiC yarn has been coated with molybdenum oxycarbide and tungsten oxycarbide without degrading the fiber. Conversion of the coatings to the metals has been accomplished by heat treatment in nitrogen. These metal coatings have been converted to silicide coatings by heating in SiCl4. An SiC/WOC minicom...

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Veröffentlicht in:Journal of materials science 1991-04, Vol.26 (8), p.2107-2110
Hauptverfasser: KMETZ, M, TAN, B. J, WILLIS, W, SUIB, S, GALASSO, F. S
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic and carbon fibers
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Technical ceramics
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Zusammenfassung:SiC yarn has been coated with molybdenum oxycarbide and tungsten oxycarbide without degrading the fiber. Conversion of the coatings to the metals has been accomplished by heat treatment in nitrogen. These metal coatings have been converted to silicide coatings by heating in SiCl4. An SiC/WOC minicomposite has been formed by longer deposition of tungsten oxycarbide on a silicon carbide yarn. (Author)
ISSN:0022-2461
1573-4803
DOI:10.1007/BF00549175