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Enhancement of the Heat Resistance of Coatings for the Blades of Gas-Turbine Engines

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Materials Science Aims and scope

To create blades of gas-turbine engines of new generation made of materials based on alloys of the Nb–Si system, we study the surface layer formed on niobium by its silicides with additionally introduced titanium elements. It is shown that the heat resistance of these specimens does not depend on the method of formation of the surface layer and depends only on its thickness. The addition of titanium increases the heat resistance of the specimens at 1350°C depending on its content. We also performed the thermodynamic analysis of the possibility of simultaneous saturation of the surface of niobium with titanium and boron under the action of vapors of the NaCl activator.

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Authors and Affiliations

  1. “Kharkiv Physicotechnical Institute”, National Scientific Center, Kharkiv, Ukraine

    S. G. Rudenkyi, E. V. Timofeeva, A. V. Kunchenko, A. A. Korneev, M. A. Bortnitskaya, V. V. Kunchenko, Yu. V. Kunchenko & T. P. Ryzhova

Authors
  1. S. G. Rudenkyi
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  2. E. V. Timofeeva
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  3. A. V. Kunchenko
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  4. A. A. Korneev
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  5. M. A. Bortnitskaya
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  6. V. V. Kunchenko
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  7. Yu. V. Kunchenko
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  8. T. P. Ryzhova
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Corresponding author

Correspondence to E. V. Timofeeva.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 55, No. 4, pp. 100–106, July–August, 2019.

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Rudenkyi, S.G., Timofeeva, E.V., Kunchenko, A.V. et al. Enhancement of the Heat Resistance of Coatings for the Blades of Gas-Turbine Engines. Mater Sci 55, 569–576 (2020). https://doi.org/10.1007/s11003-020-00340-1

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  • DOI: https://doi.org/10.1007/s11003-020-00340-1

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