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Physicomechanical and exploitation properties of nanostructured wear-resistant ion-plasma vacuum-arc coatings on the basis of multicomponent nitrides

  • Powder Materials and Coatings
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

This work is devoted to an investigation of the hardness (H), modulus of elasticity (E), and adhesion-cohesion strength of ion-plasma vacuum-arc coatings of the Ti-Cr-Al-N system. It is shown that the magnitudes of H and E are determined by the crystallite size and microdeformation level. The maximum values of hardness (up to 32 GPa) and modulus of elasticity (up to 700 GPa) correspond to coatings with a minimal crystallite size and maximal magnitude of microdeformatons. Wear of coatings is accompanied by the cohesion destruction. The adhesion strength of coatings is evaluated at about 90 N. The resistance of the cutting hard-alloy tool with coatings for the continuous and interrupted cutting of 38XHMA steel has been increased by a factor of 5.1 and 5.7, respectively.

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Authors and Affiliations

  1. National University of Science and Technology “MISIS”, Leninskii pr. 4, Moscow, 119049, Russia

    I. V. Blinkov, A. O. Volkhonskii & D. V. Kuznetsov

Authors
  1. I. V. Blinkov
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  2. A. O. Volkhonskii
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  3. D. V. Kuznetsov
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Correspondence to I. V. Blinkov.

Additional information

Original Russian Text © I.V. Blinkov, A.O. Volkhonskii, D.V. Kuznetsov, 2011, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2011, No. 4, pp. 56–60.

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Blinkov, I.V., Volkhonskii, A.O. & Kuznetsov, D.V. Physicomechanical and exploitation properties of nanostructured wear-resistant ion-plasma vacuum-arc coatings on the basis of multicomponent nitrides. Russ. J. Non-ferrous Metals 52, 388–392 (2011). https://doi.org/10.3103/S1067821211040043

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  • DOI: https://doi.org/10.3103/S1067821211040043

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