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Powder alignment system for anisotropic bonded NdFeB Halbach cylinders \ud

By Z.Q. Zhu, Z.P. Xia, K. Atallah, G.W. Jewell and D. Howe


A Halbach cylinder, fabricated from pre-magnetized sintered NdFeB magnet segments, is proposed for the powder aligning system during the compression or injection moulding of anisotropic bonded Halbach oriented NdFeB ring magnets. The influence of leading design parameters of the powder aligning system, viz. the number of magnet segments per pole, their axial length and radial thickness, and their clearance from the mould, is investigated by finite element analysis, and validated experimentall

Year: 2000
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