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Experimental Verification of Isotropic and Anisotropic Anhysteretic Magnetization Models

Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, 02-495 Warsaw, Poland
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Materials 2019, 12(9), 1549; https://doi.org/10.3390/ma12091549
Received: 16 April 2019 / Revised: 6 May 2019 / Accepted: 8 May 2019 / Published: 11 May 2019
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Abstract

The anhysteretic magnetization curve is the key element of modeling magnetic hysteresis loops. Despite the fact that it is intensively exploited, known models of anhysteretic curve have not been verified experimentally. This paper presents the validation of four anhysteretic curve models considering four different materials, including isotropic, such as Mn-Zn soft ferrite, as well as anisotropic amorphous and nanocrystalline alloys. The presented results indicate that only the model that considers anisotropic energy is valid for a wide set of modern magnetic materials. The most suitable of the verified models is the anisotropic extension function-based model, which considers uniaxial anisotropy. View Full-Text
Keywords: magnetization model; anhysteretic magnetization curve; Mn-Zn ferrites; amorphous alloys magnetization model; anhysteretic magnetization curve; Mn-Zn ferrites; amorphous alloys
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Nowicki, M.; Szewczyk, R.; Nowak, P. Experimental Verification of Isotropic and Anisotropic Anhysteretic Magnetization Models. Materials 2019, 12, 1549.

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