Dinsmore & Shohl LLP
Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets
Disclosed are methods for producing compositionally modified sintered RE—Fe—B-based rare earth permanent magnets, by the addition of small amounts of Nd, Cu, Ti, Nb, or other transition metals, and mixtures thereof, to maximize fracture toughness with corresponding improved machinability, while maintaining maximum energy product, said method comprising the steps of:
University of Dayton Electron Energy Corporation
H
H01F
inventional
Jinfang Shiqiang
Liu Liu