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[3, 2011] 

Journal of Electrical Engineering, Vol 62, 3 (2011) 153-157; DOI: 10.2478/v10187-011-0025-z

MEASUREMENT OF THREE-DIMENSIONAL MAGNETOSTRICTION ON GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Daisuke Wakabayashi – Takashi Todaka – Masato Enokizono

   This paper deals with the magnetostriction of a grain-oriented electrical steel sheet measured by using the two-dimensional vector magnetic property measurement system and a three-axial strain gage. The magnetostrictions in arbitrary direction are calculated with the measured strain tensors. The magnetostriction characteristics were changed depending on the magnetization process according to the exciting magnetic flux density and the exciting direction. In this paper, we make clear the relationship among the two-dimensional magnetostriction, the magnetic flux density vector, and the magnetic field intensity vector in the grain- oriented electrical steel sheet.

Keywords: vector magnetic property, three-dimensional magnetostriction, grain-oriented electrical steel sheet, magnetization process


[full-paper]


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