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Effect of mechanical stresses on the magnetic properties of anisotropic electrical steel

  • Electrical and Magnetic Properties
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Abstract

It has been shown that mechanical stresses arising in anisotropic electrical-sheet steel during both sheet making (residual stresses) and fabrication of magnetic conductors from the sheet parts (applied stresses) have a strong effect on its magnetic properties. It is shown that the principal cause of this effect is the high stress sensitivity of the magnetic texture of the metal. The main varieties of the applied stresses which are mostly responsible for the deterioration of the magnetic characteristics of the steel have been examined. Basically, these are the stretching of the band during straightening annealing and the effect of bending of the specimens while cutting them with guillotine shears during the preparation of the specimens for tests. The technique of the determination of residual stresses by measuring the flexure of the specimen after the insulating coating is removed from its one side is discussed.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, 620041, Russia

    G. S. Korzunin, R. B. Puzhevich & M. B. Tsyrlin

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  1. G. S. Korzunin
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  2. R. B. Puzhevich
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  3. M. B. Tsyrlin
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Original Russian Text © G.S. Korzunin, R.B. Puzhevich, M.B. Tsyrlin, 2007, published in Fizika Metallov i Metallovedenie, 2007, Vol. 103, No. 2, pp. 147–156.

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Korzunin, G.S., Puzhevich, R.B. & Tsyrlin, M.B. Effect of mechanical stresses on the magnetic properties of anisotropic electrical steel. Phys. Metals Metallogr. 103, 142–151 (2007). https://doi.org/10.1134/S0031918X07020044

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  • DOI: https://doi.org/10.1134/S0031918X07020044

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