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Journal Articles Sensors Year : 2016

An Anisotropic Model for Magnetostriction and Magnetization Computing for Noise Generation in Electric Devices

Abstract

During the manufacturing process and use of ferromagnetic sheets, operations such as rolling, cutting, and tightening induce anisotropy that changes the material’s behavior. Consequently for more accuracy in magnetization and magnetostriction calculations in electric devices such as transformers, anisotropic effects should be considered. In the following sections, we give an overview of a macroscopic model which takes into account the magnetic and magnetoelastic anisotropy of the material for both magnetization and magnetostriction computing. Firstly, a comparison between the model results and measurements from a Single Sheet Tester (SST) and values will be shown. Secondly, the model is integrated in a finite elements code to predict magnetostrictive deformation of an in-house test bench which is a stack of 40 sheets glued together by the Vacuum-Pressure Impregnation (VPI) method. Measurements on the test bench and Finite Elements results are presented.
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Dates and versions

hal-01981063 , version 1 (21-12-2023)

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Serigne Mbengue, Nicolas Buiron, Vincent Lanfranchi. An Anisotropic Model for Magnetostriction and Magnetization Computing for Noise Generation in Electric Devices. Sensors, 2016, 16 (4), pp.553. ⟨10.3390/s16040553⟩. ⟨hal-01981063⟩
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