Steam oxidation of powder metal parts
US7520940B2 · kind B2 · utility
2Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2004 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Apr 19, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2003/241
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of forming an oxide layer on a powder metal part includes subjecting the powder metal part to a steam oxidation process. An oxide layer is formed on the powder metal part. The oxide layer has a thickness greater than 7 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.