Non-oxidizable coating
US7207374B2 · kind B2 · utility
11Cited by
18References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Oct 26, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12576
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A substrate is coated by applying a first layer atop the substrate and comprising, in major weight part, a non-refractory first metal. A second layer is applied atop the first layer and comprises, in major weight part, a carbide and/or nitride of a second metal. A third layer is applied atop the second layer and comprises, in major weight part, a ceramic. The substrate may be a refractory metal-based investment casting core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.