Acta Metallurgica Sinica (English Letters)

, Volume 31, Issue 5, pp 547–551 | Cite as

Effect of Surface Layer Structural-Phase Modification on Tribological and Strength Properties of a TiC–(Ni–Cr) Metal Ceramic Alloy

  • Bao-Hai Yu
  • V. E. Ovcharenko
  • K. V. Ivanov
  • A. A. Mokhovikov
  • Yan-Hui Zhao


This paper reports TiC–(Ni–Cr) metal ceramic alloy (ratio of components 50:50) with nanoscaled components formed in the surface layer and smoothly transformed into the initial inner structure throughout the material under pulsed electron irradiation of the alloy surface. Principal changes in the surface layer are ascribed to the formation of gradient structure leading to the increase in wear resistance of the surface layer, drop of friction coefficient and improvement of specimen bending resistance when stressing on the irradiated surface side. The above changes of tribological and strength properties in the surface layer under pulsed electron irradiation become more apparent with increasing atomic mass of a plasma-forming inert gas.


Metal ceramic alloy Particle-reinforced composite Interphase boundaries Tribological behavior Bending strength Electron beam treatment 


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Copyright information

© The Chinese Society for Metals and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Bao-Hai Yu
    • 1
  • V. E. Ovcharenko
    • 2
    • 3
  • K. V. Ivanov
    • 3
  • A. A. Mokhovikov
    • 2
  • Yan-Hui Zhao
    • 1
  1. 1.Institute of Metal Research, Chinese Academy of SciencesShenyangChina
  2. 2.Tomsk Polytechnic UniversityTomskRussia
  3. 3.Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of SciencesTomskRussia

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