| 简介 |
There are provided a rare-earth permanent magnet and a manufacturing method of a rare-earth permanent magnet capable of improving magnetic properties by optimizing magnetic field orientation. In the method, magnet material is milled into magnet powder. Next, the magnet powder and a binder are mixed to obtain a mixture 12. The thus prepared mixture 12 is then formed into a long-sheet-like shape on a supporting base 13 by hot-melt molding so as to obtain a green sheet 14. The thus formed green sheet 14 is heated to soften and a magnetic field is applied to the heated green sheet 14 for magnetic field orientation. The green sheet 14 subjected to the magnetic field orientation is sintered and thereby a permanent magnet 1 is obtained. |
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