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Power Technology and Engineering

, Volume 52, Issue 5, pp 570–574 | Cite as

Contemporary Methods for Restoring Steam Turbine Blades

  • A. I. Lebedeva
  • D. V. NastekaEmail author
Article
  • 4 Downloads

Methods for restoring steam turbine rotor blade erosion damage are reviewed. Favorable factors and shortcomings of the methods considered are analyzed. The most promising method for restoring rotor blades by laser-powder surfacing is recommended.

Keywords

steam turbine rotor blades erosion damage blade vane restoration laser-powder surfacing 

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References

  1. 1.
    F. G. Gonserovskii, Yu. K. Petrenya, and V. M. Silevich, “Endurance of steam turbine rotor blades taking account of repair and electric power station conditions,” Élektr. Stantsii, No. 3 (2000).Google Scholar
  2. 2.
    P. R. Dolzhanskii and S. É. Dobrokhotov, “Increase in the operating reliability of rotor blades from the last stages of T-250/300-240,” Nadezh. Bezopasn. Énerget., No. 1 (2008).Google Scholar
  3. 3.
    A. V. Belyakov, V. I. Shapin, and A. M. Gorbachev, “Practice of forming electric-arc coatings for strengthening and restoration of blade equipment of thermal and atomic power station steam turbines,” Vestn. IGÒÉ, No. 4 (2008).Google Scholar
  4. 4.
    F. G. Gonserovskii, “Seventeen years experience of operating steam turbine blades after repair using welding,” Teploénergetika, No. 9 (2000).Google Scholar
  5. 5.
    F. A. Khromchenko, V. A. Lapina, I. V. Fedina, et al., “Repair technology for steam turbine rotor blades. Part 2. Repair by combined welding and surfacing methods,” Svaroch. Proizv., No. 2 (1999).Google Scholar
  6. 6.
    F. A. Khromchenko, V. A. Lapina, I. V. Fedina, et al., “Repair technology for steam turbine rotor blades. Part 1. Repair by applying high-chromium surfacing,” Svaroch. Proizv., No. 11 (1998).Google Scholar
  7. 7.
    D. K. Korotaev, Production Possibilities of Forming Wear-Resistant Coatings by Electric-Arc Alloying [in Russian], SibADI, Omsk (2009).Google Scholar
  8. 8.
    A. G. Grigor’yants, I. N. Zhiganov, and A. I. Misyurov, Laser Treatment Production Processes. High School Textbook [in Russian], Izd. MGTU imeni N. E. Baumana, Moscow (1008).Google Scholar
  9. 9.
    A. G. Grigor’yants, Bases of Material Laser Treatment [in Russian], Mashinostroenie, Moscow (1989).Google Scholar
  10. 10.
    A. G. Grigor’yants and A. N. Safonov, Laser Engineering and Technology. Book 6. Bases of Laser Thermal Strengthening of Alloys [in Russian], Vysshaya Shkola, Moscow (1988).Google Scholar
  11. 11.
    A. G. Grigor’yants and I. N. Shiganov, Laser Engineering and Technology. Book 5. Laser welding of Metals [in Russian], Vysshaya Shkola, Moscow (1988).Google Scholar
  12. 12.
    A. N. Safonov, “Microstructure of nickel-chromium-silicon alloys deposited by means of laser radiation,” Svaroch. Proizv., No. 11 (1990).Google Scholar
  13. 13.
    M. Brandt, Laser Restoration of Steam Turbine Blades in Situ, http://hardware.co.au/russian/wp-content/uploads/2014/03/ÉM1305_Laser_4.pdf)

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.National Research University MÉI (NIU MÉI)MoscowRussia

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