Characteristic of the changes in magnetic properties of heat-treated steel at the early stages of cold plastic deformation by tensile strain

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Abstract

The present work establishes alloy steel 38KhS exhibits distinct features such as an inflection point and a second peak in the field dependencies of differential magnetic susceptibility only in samples with ε = 4 % and tempering temperatures of 650 and 700 °C, unlike annealed low-carbon steel. The absence of such characteristics on the χd(H) curves for samples with ε = 2 % and Ttemp < 650 °C is likely due to the high level of randomly distributed internal stresses remaining after heat treatment. These stresses prevent the formation of an «easy plane» magnetic texture after plastic deformation by stretching.

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About the authors

A. M. Matosyan

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences; Ural Federal University named after the first President of Russia B.N. Yeltsin

Author for correspondence.
Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18; 620002 Yekaterinburg, Mira str. 19

A. P. Nichipuruk

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18

A. N. Stashkov

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18

E. Y. Sazhina

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18

N. V. Gordeev

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences; Ural Federal University named after the first President of Russia B.N. Yeltsin

Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18; 620002 Yekaterinburg, Mira str. 19

S. V. Afanasiev

M.N. Mikheev lnstitute of Metal Physics of Ural Branch of Russian Academy of Sciences

Email: matosian01@gmail.com
Russian Federation, 620108 Yekaterinburg, S. Kovalevskaya str. 18

References

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  8. Nan Wang, Peng Li, Tuyan Li, Yujue Wang, Cunfu He, Xiucheng Liu. Quantitative characterization of tensile stress in electroplated nickel coatings with a magnetic incremental permeability sensor. Sensors and Actuators // A: Physical. 2024. V. 368. P. 115082.

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2. Figure 1. Dependences of coercive force (a) and initial magnetic permeability (b) on tempering temperature of initial and plastically deformed specimens from 38ХС steel with relative elongations of 0, 2 and 4 %.

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3. Figure 2. Field dependences of differential magnetic susceptibility of plastically deformed samples from 38CrC steel, pre-hardened and tempered at 500 °C (a, b), 600 °C (c, d), 650 °C (e, f) and 700 °C (g, h).

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