| 简介 |
A powder molded magnet manufactured by a method comprising the steps of : (1) forming a granular compound of diameter of not more than 250 μm with a rare earth-iron rapid-quenched flake, which has not more than 150 μm in diameter, being coarsely ground if necessary, and a binder, (2) dry-blending the granular compound with fatty acid metallic soap powder, (3) forming compressed powder from the granular compound dry-blended with the fatty acid metallic soap powder, by powder molding, and (4) heat-treating the compressed powder to a temperature higher than a thermally dissociating temperature of stabilized isocyanate. |
客服热线：
手机版
二维码
