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Formation of the magnetic domain structure and properties of magnetic cores under conditions of ordered laser deformations

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Abstract

The methods of laser processing and mechanical scribing are used for improving the functional characteristics of transformer magnetic cores from anisotropic Fe–3%Si alloys. The effect is achieved due to controlling the micromagnetic state of elements of the magnetic core by optimizing the type, the dimensional characteristics of their domains, and the magnetic-anisotropy type. These results lead to a substantial decrease in magnetic losses by 9–12% and, with subsequent thermal or thermomagnetic processing, by 14–16% due to decreasing the vortex-current component of magnetic losses.

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620219, Russia

    V. I. Pudov & Yu. N. Dragoshanskii

Authors
  1. V. I. Pudov
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  2. Yu. N. Dragoshanskii
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Correspondence to V. I. Pudov.

Additional information

Original Russian Text © V.I. Pudov, Yu.N. Dragoshanskii, 2017, published in Doklady Akademii Nauk, 2017, Vol. 476, No. 1, pp. 26–29.

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Pudov, V.I., Dragoshanskii, Y.N. Formation of the magnetic domain structure and properties of magnetic cores under conditions of ordered laser deformations. Dokl. Phys. 62, 411–414 (2017). https://doi.org/10.1134/S1028335817090026

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  • DOI: https://doi.org/10.1134/S1028335817090026

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