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Influence of the Initial Structure on Nitriding of VT22 Titanium Alloy

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We study the process of nitriding of VT22 titanium alloy with different initial structural state (coarse- and fine-grained structures) at temperatures of 750, 800, and 850°С, for holding times of up to 8 h, and under a nitrogen pressure of 105 Pa. It is shown that the initial structural state of the alloy affects the kinetics of interaction with nitrogen, the process of growth of the hardened subsurface zone, and the formation and properties of surface nitride films.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv, Ukraine

    О. H. Luk’yanenko, I. М. Pohrelyuk, T. М. Kravchyshyn & V. S. Trush

Authors
  1. О. H. Luk’yanenko
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  2. I. М. Pohrelyuk
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  3. T. М. Kravchyshyn
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  4. V. S. Trush
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Corresponding author

Correspondence to О. H. Luk’yanenko.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 55, No. 5, pp. 115–121, September–October, 2019.

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Luk’yanenko, О.H., Pohrelyuk, I.М., Kravchyshyn, T.М. et al. Influence of the Initial Structure on Nitriding of VT22 Titanium Alloy. Mater Sci 55, 737–744 (2020). https://doi.org/10.1007/s11003-020-00366-5

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  • DOI: https://doi.org/10.1007/s11003-020-00366-5

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