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Materials Science

, Volume 52, Issue 1, pp 56–61 | Cite as

Wear Resistance of VT22 Titanium Alloy After Nitriding Combined with Heat Treatment

  • I. M. PohrelyukEmail author
  • M. V. Kindrachuk
  • S. M. Lavrys’
Article

We study the influence of the modes of nitriding combined with standard heat treatment on the wear resistance of VT22 titanium alloy. It is shown that the saturation of nitrogen at a temperature of 750°C for 3 h in the second stage of the standard procedure of heat treatment of the alloy leads to a decrease in its hardness and an improvement of the quality of the surface hardened layer, which guarantees higher triboengineering characteristics of the friction couple with BrAZhN-10-4-4 bronze than in the case of saturation at 820°C, 1 h + 750°C, 3 h in the first and second stages of the standard heat treatment.

Keywords

VT22 titanium alloy heat treatment nitriding surface hardening friction wear intensity surface roughness 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • I. M. Pohrelyuk
    • 1
    Email author
  • M. V. Kindrachuk
    • 2
  • S. M. Lavrys’
    • 1
  1. 1.Karpenko Physicomechanical InstituteUkrainian National Academy of SciencesLvivUkraine
  2. 2.National Aviation UniversityKievUkraine

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