| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare earth magnet having an RTB phase (where, R:a rare earth element containing Y, T:a transition metal element) as a main phase by molding from a quenched ribbon produced by a single-roll method, which allows for enhancement of the magnetic characteristics of a magnet obtained, as a result, by relaxing the internal structure difference between the roll face side and the free face side of a quenched ribbon obtained by the single-roll method.SOLUTION: A relaxation heat treatment step for relaxing the stress of a quenched ribbon at a temperature at least 280°C higher than the heating temperature in a heat treatment step during processing for obtaining a crystal structure in accordance with the molding. |
