| 简介 |
The essential processes of this method include : a process for manufacturing segments having a continuously varying anisotropic orientation from perpendicular to surface to inside the surface by means of a uniform magnetic field maintained in a constant direction and a process in which a plurality of the segments is arranged on the circumference of a circle, the segments are pushed out in a ring shape by rheology based on viscous deformation of the segments from one thrust direction end plane of the segments, and compressed from both end planes in the thrust direction of the segments. In a ring magnet in which the anisotropic orientation is continuously controlled, the generation source of the static magnetic field has an energy density (BH)max ³ 160 to 180 kJ/m3. |
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