| 摘要 |
PURPOSE:To easily and stably provide the optimum rare earth-iron-boron powder as the material for permanent magnet having fine crystal grain and crystal axis sufficiently oriented in fixed direction by a simple device consuming small energy. CONSTITUTION:A mixture, consisting of a rare earth metal-boron alloy and iron as the main raw material, is pulverized by a vibrating mill, and the title rare earth-iron-boron permanent magnet material, which is characteristically alloyed, can be obtained. |
