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<p>The abrasive wear resistance of TiN and ZrN coatings on Ti–6Al–4V titanium alloy after preliminary saturation of alloy surface with nitrogen was investigated. The titanium plates were nitrided from the gas phase under a&#xa0;pressure of 105 Pa at a&#xa0;temperature of 750 °C for 2 h. The TiN and ZrN coatings, 30 μm thick, were formed by the ion-plasma method using the “Bulat-3” unit. The metallographic analysis showed that a&#xa0;1–3 μm thick TiN layer and a&#xa0;100 μm thick layer of solid solution of nitrogen were formed on the surface of the titanium plate after diffusion nitriding. Nitriding of titanium plates with subsequent formation of TiN and ZrN ion-plasma coatings on these surfaces increased their abrasive wear resistance by 30%.</p>

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Structure and wear resistance of layered coatings formed on VT6 titanium alloy, obtained by combining diffusion nitriding and subsequent ion-plasma spraying with TiN and ZrN

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • M. M. Student,
  • I. M. Pohrelyuk,
  • O. Z. Student,
  • Kh. R. Zadorozhna,
  • V. M. Hvozdetskyi,
  • V. S. Trush,
  • O. V. Tkachuk,
  • H. H. Veselivska

摘要

The abrasive wear resistance of TiN and ZrN coatings on Ti–6Al–4V titanium alloy after preliminary saturation of alloy surface with nitrogen was investigated. The titanium plates were nitrided from the gas phase under a pressure of 105 Pa at a temperature of 750 °C for 2 h. The TiN and ZrN coatings, 30 μm thick, were formed by the ion-plasma method using the “Bulat-3” unit. The metallographic analysis showed that a 1–3 μm thick TiN layer and a 100 μm thick layer of solid solution of nitrogen were formed on the surface of the titanium plate after diffusion nitriding. Nitriding of titanium plates with subsequent formation of TiN and ZrN ion-plasma coatings on these surfaces increased their abrasive wear resistance by 30%.