Abstract
This paper presents influence of induction heating treatment with a cylindrical magnetic flux concentration plate on vector magnetic properties of a non-oriented electrical steel sheet. The non-oriented electrical steel sheet is heated by using induction heating method. The vector magnetic properties of the non-oriented electrical steel sheet under alternating magnetic flux and rotating magnetic flux conditions are measured with a easily vector magnetic property measurement system. From these results, it was clarified that amplitude and the inclination angle of the loci of the magnetic field strength vector differ by changing the heating time and voltage. In addition, it is possible to decrease the maximum magnetic field strength, coercive force and the magnetic power loss of the non-oriented electrical steel sheet by using the induction heating.
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