Nanocomposite permanent magnet exhibits excellent magnetic properties combining high coercivity of permanent magnetic phase with high saturation magnetization of soft magnetic phase.

纳米复合永磁材料兼具硬磁性相的高矫顽力和软磁性相的高饱和磁化强度，磁性能优异。

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Before regular use of electro-magnet of the magnetic material Alnico, aluminum nickel and cobalt is very low coercivity, high magnetic permeability, however, it is easy to demagnetization.

以前电磁铁的磁性材料常使用的铝镍钴，铝镍钴的矫顽力很低，渗磁高，但是，很容易退磁。

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Metal magnetic powder with fine particles and relative higher coercivity and remanence are ideal materials for high density magnetic recording.

金属磁粉颗粒细小，具有较高的矫顽力和剩磁，是较为理想的高密度磁记录材料。

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