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Open AccessArticle

Modeling the Influence of a Magnetomechanical Effect on the Permeability Tensor of a Tensductor Core

1
Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, Boboli 8, 02-525 Warsaw, Poland
2
CSC-IT Center for Science, P.O. Box 405, FI-02101 Espoo, Finland
*
Author to whom correspondence should be addressed.
Materials 2019, 12(24), 4023; https://doi.org/10.3390/ma12244023 (registering DOI)
Received: 16 November 2019 / Revised: 26 November 2019 / Accepted: 1 December 2019 / Published: 4 December 2019
This paper presents a new method of modeling the influence of mechanical stresses on a magnetic permeability tensor of soft magnetic materials. The proposed method utilizes the principal stresses concept to compensate the influence of shear stresses. As a result, the stress dependence of a magnetic permeability tensor may be assessed with only the knowledge about the influence of axial stresses on magnetic properties of isotropic material. The proposed method was used for a finite element method based model of a tensductor designed for measurements of tensile forces. Due to the fact that 2D stresses distribution occurs in a tensductor, simplification of both principal stresses and a magnetic permeability tensor rotation procedure was proposed. As a result, good agreement was reached between the results of modeling and the results of experimental tests. This result validates the possibility of utilization of the proposed modeling method for the design of magnetomechanical devices. View Full-Text
Keywords: magnetoelastic effect; soft magnetic materials; amorphous alloys; principal stresses magnetoelastic effect; soft magnetic materials; amorphous alloys; principal stresses
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MDPI and ACS Style

Szewczyk, R.; Nowicki, M.; Ostaszewska-Liżewska, A.; Malinen, M. Modeling the Influence of a Magnetomechanical Effect on the Permeability Tensor of a Tensductor Core. Materials 2019, 12, 4023.

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