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Magnetic properties of soft magnetic composite using external flux impression method

H. R. CHA1,* , K. S. K. LEE1, C. HO YUN1, S. HO LEE1

Affiliation

  1. Parts & materials Team, Gwangju Research Center, Korea Institute of Industrial Technology, Gwangju, 500-480, Korea

Abstract

In this paper, fabrication method with flux impressing to improve the efficiency of motor using soft magnetic composite is proposed and examined. The authors attempted to minimize the iron-loss by impressing the flux during the compaction process of iron powders to have arranged powders. By impressing magnetic flux, iron-loss of SMC was decreased by 6.25% because of decreased hysteresis loss by increased permeability. Proposed method, so called EFIM (External Flux Impression Method), would be helpful for high efficiency, high output and miniaturization of motor core and actuator core hereafter..

Keywords

Soft magnet composite, Iron-loss minimization, Magnet flux impressing.

Submitted at: April 1, 2008
Accepted at: July 1, 2008

Citation

H. R. CHA, K. S. K. LEE, C. HO YUN, S. HO LEE, Magnetic properties of soft magnetic composite using external flux impression method, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 7, pp. 1787-1791 (2008)