Powder metal composition and method for producing components thereof
US7300488B2 · kind B2 · utility
9Cited by
16References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Sep 24, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C32/0084
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention concerns a powder metal composition for producing powder metal components comprising a Co-based pre-alloyed powder, with irregularly shaped particles comprising at least 15% by weight Cr and less than 0.3% by weight C, admixed with graphite.The invention also concerns a method for producing PM components by pressing of articles to shape from the powder metal composition according to the invention and sintering them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.