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Deformation-induced electric noise in steel under plasto-elastic alternating strain conditions

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Abstract

We have studied the relationship between mechanical stresses developed in steel under the conditions of cyclic plasto-elastic loading to a preset strain level and a noise component of the ac electric current induced by the alternating voltage applied to the sample. Both the mechanical and the electric noise characteristics are different in the steel samples not subjected to mechanical surface processing and in those with polished surfaces. It is shown that the stage of accumulation of the structural changes leading to fatigue fracture of a material can be determined by measuring the electric noise parameters of the samples.

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Authors and Affiliations

  1. Moscow Physical Engineering Institute (State Technical University), Moscow, Russia

    V. M. Baranov, E. Yu. Kapralov & Yu. A. Kapralov

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  1. V. M. Baranov
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  2. E. Yu. Kapralov
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  3. Yu. A. Kapralov
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 30, No. 2, 2004, pp. 38–42.

Original Russian Text Copyright © 2004 by Baranov, E. Kapralov, Yu. Kapralov.

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Baranov, V.M., Kapralov, E.Y. & Kapralov, Y.A. Deformation-induced electric noise in steel under plasto-elastic alternating strain conditions. Tech. Phys. Lett. 30, 58–59 (2004). https://doi.org/10.1134/1.1646716

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  • DOI: https://doi.org/10.1134/1.1646716

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