Method for applying abrasive layers to blade surfaces
US5104293A · kind A · utility
22Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Jul 16, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49986
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention relates to abrasive layers for use in the gas turbine industry. The preferred embodiment of the invention comprises nickel coated, yttria doped silicon nitride particulates dispersed within a nickel base superalloy matrix which is substantially free of oxides. The layer is formed using low pressure plasma spray processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.