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Relationship between Magnetoelastic Sensitivity of Magnetoelastic Demagnetization of Steels 60G and 65G and Coercive Force and Magnetostriction

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Abstract

Magnetoelastic demagnetization of steels 60G and 65G after quenching and tempering under static and dynamic mechanical stress has been studied. According to the results of the research, the magnetoelastic sensitivity to applied loads and its dependence on the steel heat treatment mode were determined. Magnetostriction and coercive force of steels 60G and 65G were measured. The connection of the magnetoelastic sensitivity of the studied steels and the level of elastic stresses with their coercive force and magnetostriction is established. A method for estimating the magnetostriction of structural steel by the magnitude of the coercive force and the level of magnetoelastic demagnetization under mechanical action on steel is proposed. The results obtained can contribute to improving the accuracy of evaluating the elastic stress in a steel structure by magnetoelastic methods.

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Correspondence to V. F. Novikov, S. M. Kulak, K. R. Muratov or A. S. Parakhin.

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Dedicated to the memory of our fellow countryman Academician Gorkunov Eduard Stepanovich, who began his scientific and pedagogical activities at the Industrial Institute of Tyumen. Eduard Stepanovich was one of the initiators of the direction being developed in the proposed article [1].

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Novikov, V.F., Kulak, S.M., Muratov, K.R. et al. Relationship between Magnetoelastic Sensitivity of Magnetoelastic Demagnetization of Steels 60G and 65G and Coercive Force and Magnetostriction. Russ J Nondestruct Test 58, 479–487 (2022). https://doi.org/10.1134/S1061830922060079

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