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Sensors 2010, 10(10), 9053-9064; doi:10.3390/s101009053

Experimental Method for Characterizing Electrical Steel Sheets in the Normal Direction

Univ Lille Nord de France, F-59000 Lille, France
UArtois, LSEE, F-62400 Béthune, France
ThyssenKrupp Electrical Steel (TKES), F-62330 Isbergues, France
Author to whom correspondence should be addressed.
Received: 2 September 2010 / Revised: 15 September 2010 / Accepted: 25 September 2010 / Published: 8 October 2010
View Full-Text   |   Download PDF [1555 KB, 21 June 2014; original version 21 June 2014]   |  


This paper proposes an experimental method to characterise magnetic laminations in the direction normal to the sheet plane. The principle, which is based on a static excitation to avoid planar eddy currents, is explained and specific test benches are proposed. Measurements of the flux density are made with a sensor moving in and out of an air-gap. A simple analytical model is derived in order to determine the permeability in the normal direction. The experimental results for grain oriented steel sheets are presented and a comparison is provided with values obtained from literature.
Keywords: magnetic measurement; permeability; electrical steel sheet; magnetic anisotropy magnetic measurement; permeability; electrical steel sheet; magnetic anisotropy
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hihat, N.; Lecointe, J.P.; Duchesne, S.; Napieralska, E.; Belgrand, T. Experimental Method for Characterizing Electrical Steel Sheets in the Normal Direction. Sensors 2010, 10, 9053-9064.

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