Chemical Vapour Deposition of Tungsten and Titanium Nitrogen on SiC Fibres

Chemical Vapour Deposition of Tungsten and Titanium Nitrogen on SiC Fibres

Handling of uncoated SiC/W ( Sigma fibres resulted in a drop in their strengths. Coating with TiB sub 2 or boron at approx 1000 deg C by chemical vapour deposition resulted in a further reduction in strength. Coating with tungsten or titanium nitrogen by lower temperature chemical vapour deposition...

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Veröffentlicht in:Journal of materials science 1992-06, Vol.27 (11), p.2873-2876
Hauptverfasser: Hwan, L, Kmetz, M, Suib, S L, Galasso, F S
Format: Artikel
Sprache:eng
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Zusammenfassung:Handling of uncoated SiC/W ( Sigma fibres resulted in a drop in their strengths. Coating with TiB sub 2 or boron at approx 1000 deg C by chemical vapour deposition resulted in a further reduction in strength. Coating with tungsten or titanium nitrogen by lower temperature chemical vapour deposition processes did not degrade the fibre, and the coated fibres also retained their strengths after heating in hydrogen at 1040 deg C.
ISSN:0022-2461