Method and coating for protecting against corrosive and erosive attacks
US5547769A · kind A · utility
12Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 5, 1995 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Apr 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12757
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and a coating are provided for attaining protection of a substrate being formed of chromium steel for a component of a turbomachine, against at least one of corrosive and erosive attack at a temperature up to approximately 500.degree. C. An aluminum-containing metal coating is applied to the substrate. At least the surface of the metal coating is hardened or age-hardened to form a protective coating containing aluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.