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Electromagnetic design optimization of a powder aligning fixture for a compression-molded anisotropic NdFeB ring magnet

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6 Author(s)
Kinsey, D.J. ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield, UK ; Jewell, G.W. ; Howe, D. ; Williams, A.J.
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The paper describes the design optimization of an electromagnet for aligning anisotropic NdFeB powder during the compression molding of a two-pole ring magnet. The optimization method makes extensive use of both two- and three-dimensional magnetostatic finite-element analysis in order to demonstrate the influence of various design features on the performance of the electromagnet and the limitations of two-dimensional analysis. Measurements on a prototype powder-aligning system validate the optimization method.

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Magnetics, IEEE Transactions on  (Volume:40 ,  Issue: 3 )