Micronic pre-alloyed metal powder based on three-dimensional transition metal
US6613122B1 · kind B1 · utility
4Cited by
7References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2000 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Oct 10, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12014
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns a pre-alloyed metal powder essentially consisting of at least two transition metals selected among iron, cobalt, nickel, copper and zinc, and also capable of containing molybdenum, as well as sintered parts obtained using said powders. Said powders have elementary grain size greater than 200 nm and less than 5 &mgr;m. The invention is particularly useful for making special steel parts or for making cutting or grinding tools.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.