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Application of high-current pulsed electron beams for modifying the surface of gas-turbine engine blades

  • Modification of Surface Including Beams of Charged Particles and Photon and Plasma Fluxes
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

Experimental data on the influence of irradiation by high-current pulsed electron beams (HCPBs) on the physicochemical state of surface layers and operational properties of the blades of gas-turbine engines made of heat-resistant materials are analyzed. It is shown that the microsecond HCPB is a high-efficient tool for modifying the surface of turbine and compressor blades providing high-speed thermal treatment (quenching), material recrystallization in 20–30-μm-thick surface layers, and surface cleaning and smoothing. These processes determine the increase in the fatigue strength of blades (by 10–30%), heat resistance (by a factor of 2–4), and salt corrosion resistance (up to a factor of 6).

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Author information

Authors and Affiliations

  1. Moscow Aviation Institute (Technical University), Volokolamskoe sh. 4, Moscow, 125993, Russia

    V. A. Shulov & D. A. Teryaev

  2. OAO “MMP im. V.V. Chernysheva”, ul. Vishnevaya 7, Moscow, 125362, Russia

    A. N. Gromov

  3. Research Institute of Electrophysical Equipment, doroga na Metallostroi 1, Metallostroi, St. Petersburg, 189631, Russia

    V. I. Engel’ko

Authors
  1. V. A. Shulov
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  2. A. N. Gromov
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  3. D. A. Teryaev
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  4. V. I. Engel’ko
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Corresponding author

Correspondence to V. A. Shulov.

Additional information

Original Russian Text © V.A. Shulov, A.N. Gromov, D.A. Teryaev, V.I. Engel’ko, 2015, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya, 2015, No. 1, pp. 38–48.

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Shulov, V.A., Gromov, A.N., Teryaev, D.A. et al. Application of high-current pulsed electron beams for modifying the surface of gas-turbine engine blades. Russ. J. Non-ferrous Metals 57, 256–265 (2016). https://doi.org/10.3103/S1067821216030147

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  • DOI: https://doi.org/10.3103/S1067821216030147

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