Copper-hardened permanent-magnet alloy
US4099995A · kind A · utility
9Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1977 |
| Grant date | Jul 11, 1978 |
| Priority date | — |
| Expiry date | Jun 14, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0557
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A copper-hardened permanent-magnet alloy consisting of cobalt, copper and at least one of the rare-earth metals (RE) with atomic number 57 - 71, is characterized by a coarse-grained matrix of the composition Re (Co.sub.1-y Cu.sub.y).sub.6+X, wherein 0.ltoreq.X.ltoreq.1 and 0.15<y<0.35.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.