Author： Hihat Nabil Lecointe Jean Philippe Duchesne Stephane Napieralska Ewa Belgrand Thierry
Publisher： MDPI
E-ISSN： 1424-8220|10|10|9053-9064
ISSN： 1424-8220
Source： Sensors, Vol.10, Iss.10, 2010-10, pp. : 9053-9064
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Abstract
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.
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