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Thermal Strengthening of Large Parts Made from High-Strength Sparingly Doped Steel in Air

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Abstract

High-strength sparingly doped steel possessing high hardenability has been studied. The degree of mechanical characteristics after continuous cooling with various intensities in the range of 0.02–20°C/s has been determined. Industrial heat treatment of large parts from the steel under study has been implemented using air as the quenching medium. Successful isothermal treatment using air media, as well as preliminary cementation aimed at the increase in the surface’s wear resistance, has been demonstrated.

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Funding

The work was supported by the Directive no. 211 of the Government of Russian Federation, Contract no. 02.A03.21.0006, the State Assignment of the Ministry of Education and Science of Russia (project no. 11.1465.2014/K), and State Assignment of the Institute of Physics of Metals of the Ural Branch of the Russian Academy of Sciences, “Laser” topic.

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Authors and Affiliations

  1. Ural Federal University, Yekaterinburg, Russia

    M. V. Maisuradze, Yu. V. Yudin & D. I. Lebedev

  2. Institute of Physics of Metals, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia

    D. I. Lebedev

Authors
  1. M. V. Maisuradze
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  2. Yu. V. Yudin
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  3. D. I. Lebedev
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Corresponding author

Correspondence to Yu. V. Yudin.

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Translated by A. Muravev

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Maisuradze, M.V., Yudin, Y.V. & Lebedev, D.I. Thermal Strengthening of Large Parts Made from High-Strength Sparingly Doped Steel in Air. Steel Transl. 50, 356–362 (2020). https://doi.org/10.3103/S0967091220050083

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  • DOI: https://doi.org/10.3103/S0967091220050083

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