On this basis, as the permeability of permanent magnetism material is non-linear, two gear wheel's magnetic field is simulated with finite element software, and analysis of the result is carried on.

在此基础上采用有限元分析软件对永磁材料的磁导率为非线性时的一对永磁齿轮传动磁场进行了仿真分析，并对结果进行了分析总结。

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Flaky morphology of magnetic alloy particle material can raise its natural resonance frequency because of strong shape anisotropy, which is advantageous to acquiring high microwave permeability.

薄片形状的磁性合金颗粒材料由于强形状各向异性可使其自然共振频率大大提高，有利于获得微波高磁导率磁性合金。

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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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