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Thermodiffusion Saturation of the Surface of VT22 Titanium Alloy from a Controlled Oxygen–Nitrogen-Containing Atmosphere in the Stage of Aging

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Materials Science Aims and scope

We determine the possibility of guaranteeing the regulated level of surface hardening by oxidation, nitriding, and oxynitriding from a controlled atmosphere within the temperature-time range of aging of the VT22 titanium alloy (T = 600–650°С; τ = 2–8 h). The efficiency of oxynitriding in a dynamic vacuum with inleakage of an active gaseous mixture with composition 25% O2 + 75% N2 into the reaction chamber is established. The gas-dynamic parameters of oxynitriding are optimized.

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Authors and Affiliations

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

    V. М. Fedirko, І. М. Pohrelyuk, О. H. Luk’yanenko & S. М. Lavrys’

  2. National Aviation University, Kyiv, Ukraine

    М. V. Kindrachuk, О. І. Dukhota, О. V. Tisov & V. V. Zahrebel’nyi

Authors
  1. V. М. Fedirko
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  2. І. М. Pohrelyuk
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  3. О. H. Luk’yanenko
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  4. S. М. Lavrys’
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  5. М. V. Kindrachuk
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  6. О. І. Dukhota
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  7. О. V. Tisov
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  8. V. V. Zahrebel’nyi
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Corresponding author

Correspondence to І. М. Pohrelyuk.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 53, No. 5, pp. 100–109, September–October, 2017.

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Fedirko, V.М., Pohrelyuk, І.М., Luk’yanenko, О.H. et al. Thermodiffusion Saturation of the Surface of VT22 Titanium Alloy from a Controlled Oxygen–Nitrogen-Containing Atmosphere in the Stage of Aging. Mater Sci 53, 691–701 (2018). https://doi.org/10.1007/s11003-018-0125-z

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  • DOI: https://doi.org/10.1007/s11003-018-0125-z

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