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Investigation of core loss in PM micro-motor made using MIM technology

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4 Author(s)
Chau, H.C. ; Data Storage Inst., Singapore ; Chao Bi ; Li, X.P. ; Low, T.S.

Research has been conducted into the effects of particle size on the core losses of soft magnetic materials. Various types of micro PM BLDC motors, produced with solid hog-out alloy steel, laminated alloy steel and Metal Injection Molding (MIM) alloy steel powders have been studied. The results show that the core loss of micro PM BLDC motors made by the MIM technique is in the acceptable level when compared with the laminated core motor

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )