Experimental Determination of Critical Fields of 90-Degree Domain Wall Displacement in Plastically Deformed Low-Carbon Steels


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Experimental data are presented for the field dependences of differential magnetic permeability μd (H0) of plastically deformed low-carbon steel-St3 samples both in an unloaded state and under tensile stresses. It is shown that applying tensile stresses drastically changes the shape of curves μd (H0 ) a fact that indicates compensation of internal residual compressive stresses in the samples by external tensile stresses. A new technique is proposed for the experimental determination of the critical fields of displacement of 90-degree domain boundaries based on dependences μd (H0 ). Residual compressive stresses in plastically deformed St3 steel are estimated.

Sobre autores

V. Kuleev

Mikheev Institute of Metal Physics, Ural Branch

Autor responsável pela correspondência
Email: kulejevv@imp.uran.ru
Rússia, Yekaterinburg, 620108

A. Stashkov

Mikheev Institute of Metal Physics, Ural Branch

Email: kulejevv@imp.uran.ru
Rússia, Yekaterinburg, 620108

T. Tsar’kova

Mikheev Institute of Metal Physics, Ural Branch

Email: kulejevv@imp.uran.ru
Rússia, Yekaterinburg, 620108

A. Nichipuruk

Mikheev Institute of Metal Physics, Ural Branch

Email: kulejevv@imp.uran.ru
Rússia, Yekaterinburg, 620108

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