Nickel-base superalloys and articles formed therefrom
USRE40501E1 · kind E1 · reissue
1Cited by
8References
83Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2005 |
| Grant date | Sep 16, 2008 |
| Priority date | — |
| Expiry date | Mar 10, 2025 |
Classification
- Technology area (CPC —)General
Abstract
An article, such as a turbine engine component, formed from a nickel-base superalloy, the nickel-base superalloy containing a γ″ tetragonal phase and comprising aluminum, titanium, tantalum, niobium, chromium, molybdenum, and the balance nickel, wherein the article has a time dependent crack propagation resistance of at least about 20 hours to failure at about 1100° F. in the presence of steam. The invention also includes a nickel-base superalloy for forming such and article and methods of forming the article and making the nickel-base superalloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.