| 简介 |
The present invention relates to a method for producing an RFeB-based magnet, including : an RH-containing-substance adhesion step in which an RH-containing slurry obtained by mixing an organic solvent with an RH-containing powder that contains at least one heavy rare earth element RH selected from the group consisting of Dy, Tb and Ho, is blown, in a form of dots or a line, onto a surface of a base material including an RFeB-based sintered magnet or RFeB-based hot-plastic worked magnet which contains a rare earth element R, Fe, and B, thereby adhering an RH-containing substance to the surface of the base material; and a heating step in which the base material to which the RH-containing substance has been adhered is heated to a predetermined temperature at which the heavy rare earth element RH in the RH-containing substance diffuses into the base material through grain boundaries of the base material. |
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