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一种提高烧结钕铁硼永磁体磁性能的方法
Authors
丁广飞
严长江
+4 more
郭帅
闫阿儒
陈仁杰
陈岭
Publication date
8 July 2015
Publisher
Abstract
本发明提供了一种提高烧结钕铁硼永磁体磁性能的方法。该方法将经烧结处理后的磁体进行感应涡流加热,使其富钕相成为液相,在感应电磁场的作用下,一方面可以利用感应涡流的电磁搅拌作用增强富钕液相的流动,从而优化磁体微观结构;另一方面主相晶粒更容易发生沿感应线圈磁场方向的转动,进而提高磁体的取向度。实验证实,经过本发明处理的烧结钕铁硼永磁体的矫顽力所提高,方形度也有所改善。同时,永磁体的剩磁与最大磁能积也得到提升。另外,该方法具有清洁无污染、能量利用率高、简单易行等优点,具有良好的应用前景
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Last time updated on 22/01/2018