Non-oxidizable coating
US7293597B2 · kind B2 · utility
3Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2006 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Oct 7, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/18
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.