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Silicon-doped boron nitride coated fibers in silicon melt infiltrated composites

United States Patent

September 14, 1999
View the Complete Patent at the US Patent & Trademark Office
A fiber-reinforced silicon--silicon carbide matrix composite having improved oxidation resistance at high temperatures in dry or water-containing environments is produced. The invention also provides a method for protecting the reinforcing fibers in the silicon--silicon carbide matrix composites by coating the fibers with a silicon-doped boron nitride coating.
Corman; Gregory Scot (Ballston Lake, NY), Luthra; Krishan Lal (Schenectady, NY)
General Electric Company (Schenectady, NY)
08/ 861,044
May 21, 1997
The government may have certain rights to the invention under a government contract with the Department of Energy (DOE), contract number DEFC0292CE41000.