Nickel-base powder metallurgy alloy
CA 1332297 C · Owner: Crucible Materials Corporation · Inventors: Stulga, John E.; Rizzo, Frank J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An age-hardenable corrosion-resistant, nickel-base fully dense article of compacted prealloyed particles. The article has a fine, uniformly distributed gamma-prime phase for strength and hardness. The alloy consists essentially of in weight-percent, carbon .05 max, chromium 15 to 25 molybdenum 6.5 to 10, columbium 4 to 6.5 iron 9 max, aluminum .2 to .8, nitrogen .05 max, titanium .6 max, and balance nickel. The alloy article has an absence of interstitial phases at prior particle boundaries and may be age-hardened to a minimum room-temperature 0.2% offset yield strength of 120,000 psi.
Read the whole patent
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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 2011.
- 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.