Ni-base single-crystal superalloy excellent in high-temperature strength and high-temperature corrosion resistance
CA 1319085 C · Owner: Central Research Institute Of Electric Power Industry (Criepi) · Inventors: Matsubara, Masaaki; Nitta, Akito; Hoshi, Junji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An Ni-base single-crystal superalloy consisting essentially of 9 - 11 % Cr; 0.5 - 0.8 % Mo; 5.5 - 6.8 % W; 5.2 - 6 % Ta; 5 - 6 % Al; 1.8 - 2.5 % Ti; 4.2 - 4.9 % Co; 0.05 - 0.5 % Re; and the balance of Ni and inevitable impurities. If required, the superalloy may further contain 0.01 - 0.3 % Si. The superalloy has a structure wherein a .gamma.'-phase formed of a fine intermetallic compound is dispersed evenly throughout the matrix, thereby being excellent in hightemperature strength as well as in high-temperature corrosion resistance.
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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.