Nickel-based monocrystalline superalloy, in particular for the blades of a turbomachine
US4837384A · kind A · utility
11Cited by
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4Claims
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Key dates
| Filing date | May 28, 1987 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | May 28, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC30B29/52
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A low density superalloy having good resistance to oxidation has the following composition by weight: ______________________________________ Co: 5.0 to 6.0% W: 4.8 to 5.2% Cr: 7.8 to 8.3% Al: 5.8 to 6.1% Ta: 3.3 to 3.7% Mo: 2.1 to 2.4% Ti: 1.8 to 2.2% B: .ltoreq.10 ppm Zr: .ltoreq.50 ppm Ni: balance to 100%. ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.