科研之友
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摘要
The total magnetic moments of the magnet assembly constructed of cubic sub-magnets with various moment directions were measured by Helmholtz coil. Results indicated that macro-effective magnetic moments of the fully-aligned sintered Nd-Fe-B magnet obeyed the linear superposition principle. The sintered Nd-Fe-B magnets with good alignment exhibited the smaller angle error of magnetic moment. However, the smaller angle error of magnetic moment measured did not mean the higher alignment degree. The distribution of magnetic flux for Halbach array was calculated by finite element method.
- 出版日期2012
