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Open AccessArticle

Magnetoelastic Effect Detection with the Usage of Eddy Current Tomography

Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, 02-525 Warsaw, Poland
Materials 2019, 12(3), 346; https://doi.org/10.3390/ma12030346
Received: 13 December 2018 / Revised: 11 January 2019 / Accepted: 18 January 2019 / Published: 22 January 2019
(This article belongs to the Special Issue Magnetoelastic Materials)
The possibility of application of the eddy current tomography setup to measure the small permeability variations caused by magnetoelastic effect was presented. A ferromagnetic steel sample was prepared for applying wall stresses and measured for 30 MPa stresses. The Finite Element Method (FEM) was utilized to conduct numerical forward tomography transformation for samples of known permeability. Developed forward tomography transformation was applied for single variable inverse tomography transformation, utilized for determining magnetic permeability. This confirmed the possibility of the application of eddy current tomography for quantitative measurements of magnetoelastic effect in samples of known geometry. View Full-Text
Keywords: magnetoelastic effect; eddy current tomography; finite element method magnetoelastic effect; eddy current tomography; finite element method
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Nowak, P. Magnetoelastic Effect Detection with the Usage of Eddy Current Tomography. Materials 2019, 12, 346.

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