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Control of Heat Treatment of Case-Hardening Steel 18CrNiMo7-6 by Determining the Penetration Depth of Eddy Currents

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Metal Science and Heat Treatment Aims and scope

The relative magnetic permeability and electric conductivity in the temperature range from room one to 800°C are determined for steel 18CrNiMo7-6 with different structures, i.e., martensitic, bainitic and ferritic-pearlitic ones. The variation of the magnetic properties of the steel as a function of the temperature and of the microstructure and their effect of the depth of penetration of eddy currents are analyzed.

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Authors and Affiliations

  1. Leibniz University of Hannover, Institute for Materials Science, Garbsen, Germany

    Lara Vivian Fricke, Sebastian Barton, Hans Jurgen Maier & David Zaremba

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  1. Lara Vivian Fricke
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  2. Sebastian Barton
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 60 – 67, November, 2020.

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Fricke, L.V., Barton, S., Maier, H.J. et al. Control of Heat Treatment of Case-Hardening Steel 18CrNiMo7-6 by Determining the Penetration Depth of Eddy Currents. Met Sci Heat Treat 62, 716–722 (2021). https://doi.org/10.1007/s11041-021-00627-3

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  • DOI: https://doi.org/10.1007/s11041-021-00627-3

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