Treating nickel base alloys
CA 1135604 A · Owner: Special Metals Corporation · Inventors: Boesch, William J.; Maurer, Gernant E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of heat treating and coating a nickel base alloy containing chromium, titanium aluminum, cobalt, molybdenum, tungsten boron and carbon. The alloy, is heated at a temperature of at least 2050°F to put most of the coarse gamma prime particles into solution; coated; treated at a temperature of at least 1600°F to lessen the sharp differential in chemistry between it and the coating at the interface thereof; treated within the temperature range of between 1500 and 1800°F to precipitate fine gamma prime particles to coarsen, existing gamma prime particles and to precipitate discrete carbide particles; and treated at a temperature within the range of between 1300 and 1500°F to precipitate …
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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 November 16, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.