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Effect of the phosphate component of electrical insulating coating on the magnetic losses in grain-oriented electrical steel

  • Electrical and Magnetic Properties
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Abstract

It is shown that one of the main methods improving quality of a grain-oriented electrical sheet steel (GOES) is the deposition of an electrical insulating coating (EIC) on its surface, which produces elastic tensile stresses in the metal. The EIC represents a composite consisting of a glass film and a phosphate coating deposited on it. Investigations performed in this direction are reviewed. A complex of the industrial experiments has been carried out, which were directed to studying the effect of both the insulating coating as a whole and, separately, its phosphate component (PC) on the level of magnetic losses. The values of elastic tensile stresses produced in the metal by the EIC and PC are presented. This work has been performed under the conditions of the OOO VIZ-stal’ (Verkneisetsk Factory).

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Authors and Affiliations

  1. OOO VIZ-stal’, ul. Kirova 28, Ekaterinburg, 620219, Russia

    L. S. Karenina & R. B. Puzhevich

  2. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, 620990, Russia

    G. S. Korzunin

Authors
  1. L. S. Karenina
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  2. G. S. Korzunin
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  3. R. B. Puzhevich
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Additional information

Original Russian Text © L.S. Karenina, G.S. Korzunin, R.B. Puzhevich, 2011, published in Fizika Metallov i Metallovedenie, 2011, Vol. 111, No. 1, pp. 23–26.

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Karenina, L.S., Korzunin, G.S. & Puzhevich, R.B. Effect of the phosphate component of electrical insulating coating on the magnetic losses in grain-oriented electrical steel. Phys. Metals Metallogr. 111, 21–24 (2011). https://doi.org/10.1134/S0031918X11010066

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  • DOI: https://doi.org/10.1134/S0031918X11010066

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