Process for the preparation of permanent magnets based on neodymium-iron-boron
US5356489A · kind A · utility
2Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1991 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Dec 12, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0576
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is a process for the preparation of copper-neodymium-iron-boron permanent magnets. The process comprises forging a cast bulk copper-neodymium-iron-boron alloy in a temperature range in which the alloy exists in two phases, a first solid phase and a second liquid phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.