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Use of the Method of Acoustic Emission for Studying the Laws of Formation of Secondary Structures at Friction of Nicotrated Steels

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Metal Science and Heat Treatment Aims and scope

Abstract

The processes of structure formation on the surface of nicotrated steel 30KhN2MFA at friction under the conditions of life lubrication of a “brad – disk” couple are studied in a special installation, which makes it possible to continuously measure the force of friction, the temperature in the contact zone, and the signals of acoustic emission during the test. The structures formed on the surface of nicotrated steel during friction are analyzed qualitatively and quantitatively with the help of a local friction factor f loc that characterizes friction on individual local areas. A comparative analysis of temperature dependences of the parameter f loc and of the phase composition of the dissipative layer (“third body”) formed on the surface of the carbonitride layer during friction is performed. An empirical equation relating these two characteristics is suggested.

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Authors and Affiliations

  1. Tula State University, Tula, Russia

    V. M. Vlasov, V. K. Zelenko, M. I. Vasin & P. I. Malenko

Authors
  1. V. M. Vlasov
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  2. V. K. Zelenko
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  3. M. I. Vasin
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  4. P. I. Malenko
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Vlasov, V.M., Zelenko, V.K., Vasin, M.I. et al. Use of the Method of Acoustic Emission for Studying the Laws of Formation of Secondary Structures at Friction of Nicotrated Steels. Metal Science and Heat Treatment 45, 400–403 (2003). https://doi.org/10.1023/B:MSAT.0000009789.55299.33

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  • DOI: https://doi.org/10.1023/B:MSAT.0000009789.55299.33

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