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Published on: February 5, 2022
Magnetostrictive Properties of Mn0.70Zn0.24Fe2.06O₄ Ferrite
Adam Bieńkowski1, Roman Szewczyk2
1Institute of Metrology and Biomedical Engineering, Warsaw University of Technology, 02-525 Warsaw, Poland. a.bienkowski@mchtr.pw.edu.pl.
Abstract:
This paper presents the results of measurements of magnetostrictive properties of Mn0.70Zn0.24Fe2.06O₄ ferrite for power applications. Frame-shaped samples were used for measurements to guarantee a uniform magnetizing field and magnetostrictive strain distribution. Magnetostrictive hysteresis loops were measured by semiconductor strain gauges. The results indicate that the magnetostrictive characteristic of Mn0.70Zn0.24Fe2.06O₄ ferrite is non-monotonic and magnetostriction changes have opposite signs for higher values of the magnetizing field.
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