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Journal of Thermal Spray Technology

, Volume 28, Issue 5, pp 883–892 | Cite as

The Effect of Electromechanical Treatment on Structure and Properties of Plasma-Sprayed Fe-30Cr Coating

  • A. Yu. IvannikovEmail author
  • V. I. Kalita
  • D. I. Komlev
  • A. A. Radyuk
  • A. V. Alpatov
  • I. N. Zakharov
  • S. N. Grigoriev
  • M. V. Prozhega
Peer Reviewed
  • 27 Downloads

Abstract

This study investigates structure and properties of the plasma-sprayed coating from Fe-30Cr steel that was then finished using electromechanical treatment (EMT). As a consequence of the coating thus formed, surface microhardness under a 200 gf load increased from 3.4 ± 0.4 to 5.2 ± 0.4 GPa and number of pores in the coating structure reduced from 8.0 ± 1.5 to 2.0 ± 0.5%. The results of the microstructural studies showed fundamental changes of the plasma-sprayed coating treated by the EMT with the formation of nanostructured crystalline phases. The obtained results revealed the high potential of the EMT for post-treatment of plasma-sprayed coatings.

Keywords

coating electromechanical treatment Fe-Cr microhardness post-treatment 

Notes

Acknowledgments

Authors are grateful to Yulia Ivannikova for technical support in preparing the manuscript, Konstantin Vorkachev for scanning electron microscopy investigation (State Target No. 075-00746-19-00), and Tatiana Sviridova for x-ray investigation (RFBR 18-08-00842).

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Copyright information

© ASM International 2019

Authors and Affiliations

  • A. Yu. Ivannikov
    • 1
    • 2
    Email author
  • V. I. Kalita
    • 1
  • D. I. Komlev
    • 1
  • A. A. Radyuk
    • 1
  • A. V. Alpatov
    • 1
    • 3
  • I. N. Zakharov
    • 4
  • S. N. Grigoriev
    • 2
  • M. V. Prozhega
    • 5
  1. 1.Baikov Institute of Metallurgy and Material ScienceRussian Academy of SciencesMoscowRussian Federation
  2. 2.Moscow State University of Technology ‘Stankin’MoscowRussian Federation
  3. 3.National University of Science and Technology, MISiSMoscowRussian Federation
  4. 4.Volgograd State Technical UniversityVolgogradRussian Federation
  5. 5.Mechanical Engineering Research InstituteRussian Academy of SciencesMoscowRussian Federation

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