Coated silicon-based ceramic composites and method for making same
CA 1100366 A · Owner: General Electric Company · Inventors: Mehan, Richard L.; Morelock, Charles R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method 18 provided for making silicon-based ceramic composites having a reduced tendency to form complex silicides when in contact with high performance metals or metallic alloys at elevated temperatures. The surface of the siliconbased ceramic composite, such as silicon carbide-silicon matrix composite, 18 etched, treated with an inorganic oxide mixture and fired. Improved performance is provided when the resulting composite is used in a specific application in contact with a high performance metal or metallic alloy such as a gas turbine bucket.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.