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Kinetics of Thermodiffusion Saturation of VT22 Titanium Alloy with Nitrogen Within the Temperature Range 800–950°С

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We investigate the kinetics of saturation of VT22 titanium alloy in molecular nitrogen under atmospheric pressure within the temperature range 800–950°С and find the kinetic constants of nitriding. The preferred orientations of the TiN x and Ti2N phases in the formed surface nitride films are determined. It his shown that, within the temperature range 800–900°С, the interaction of the β -phase with nitrogen controls the β → α transformation by affecting the diffusion of nitrogen into the bulk of the titanium matrix.

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Authors and Affiliations

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

    V. M. Fedirko, I. M. Pohrelyuk & Т. M. Kravchyshyn

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  1. V. M. Fedirko
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  2. I. M. Pohrelyuk
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  3. Т. M. Kravchyshyn
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Correspondence to I. M. Pohrelyuk.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 49, No. 2, pp. 14–25, March–April, 2013.

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Fedirko, V.M., Pohrelyuk, I.M. & Kravchyshyn, Т.M. Kinetics of Thermodiffusion Saturation of VT22 Titanium Alloy with Nitrogen Within the Temperature Range 800–950°С. Mater Sci 49, 145–158 (2013). https://doi.org/10.1007/s11003-013-9594-2

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  • DOI: https://doi.org/10.1007/s11003-013-9594-2

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