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Formation features of structure-phase states of Cr–Nb–C–V containing coatings on martensitic steel

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Abstract

By methods of modern physical materials science the investigations analysis of phase composition, defect substructure, mechanical and tribological properties of Cr–Nb–C–V containing coatings formed in surfacing on martensitic wear resistant steel Hardox 450 were carried out. It was shown that surfacing resulted in the formation of high strength surface layer 6 mm in thinness. This layer had wear resistance 138 times greater than that of the base and friction coefficient 2.5 times less. On the basis of the investigations by methods of X-ray structural analysis and transmission diffraction electron microscopy it was shown that increase strength and tribological properties of surfacing metal were caused by its phase composition and state of defect substructure, namely, availability of interstitial phases (more than 36%) and martensitic type of α-phase structure.

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Authors and Affiliations

  1. Siberian State Industrial University, 654007, Novokuznetsk, Russia

    S. V. Konovalov, V. E. Kormyshev, V. E. Gromov, E. V. Kapralov & A. P. Semin

  2. Institute of High-Current Electronics of the Siberian Branch of the Russian Academy of Science, 634055, Tomsk, Russia

    Yu. F. Ivanov

  3. National Research Tomsk Polytechnic University, 634050, Tomsk, Russia

    Yu. F. Ivanov

Authors
  1. S. V. Konovalov
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  2. V. E. Kormyshev
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  3. V. E. Gromov
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  4. Yu. F. Ivanov
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  5. E. V. Kapralov
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  6. A. P. Semin
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Correspondence to S. V. Konovalov.

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Konovalov, S.V., Kormyshev, V.E., Gromov, V.E. et al. Formation features of structure-phase states of Cr–Nb–C–V containing coatings on martensitic steel. J. Surf. Investig. 10, 1119–1124 (2016). https://doi.org/10.1134/S1027451016050098

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  • DOI: https://doi.org/10.1134/S1027451016050098

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