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Ｎｄ2 Ｆｅ14 Ｂ纳米复合永磁体是由Ｎｄ2 Ｆｅ14 Ｂ/Ｆｅ3Ｂ和Ｎｄ2 Ｆｅ14 Ｂ/α Ｆｅ组成的 ,这些复合永磁材料是由纳米尺度的硬磁相和软磁相交换耦合构成。这类永磁材料是采用熔体自旋或机械合金化方法制备。通常 ,含有一种非晶 (或玻璃 )相的熔体自旋薄带经晶化得到优异的
Nd2Fe14B nanocomposite permanent magnet is composed of Nd2Fe14B / Fe3B and Nd2Fe14B /? Fe, these composite permanent magnetic materials are composed of nanoscale hard magnetic phase and soft magnetic phase exchange coupling. Such permanent magnetic materials are prepared by melt spinning or mechanical alloying. In general, melt spun ribbons containing an amorphous (or glass) phase crystallize to give excellent