Coating composition having good corrosion and oxidation resistance
US5455119A · kind A · utility
51Cited by
19References
11Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 8, 1993 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Nov 8, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12667
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coating composition comprising an alloy having the formula RCrAlR'R" wherein R is nickel, cobalt or the like; R' is yttrium or hafnium and R" is tantalum, rhenium and/or platinum, preferably mixed with an oxide dispersion such as alumina, to provide an improved class of coatings suitable for operating in high temperature oxidizing environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.