Metal Science and Heat Treatment

, Volume 60, Issue 5–6, pp 367–372 | Cite as

Steel Surface Modification with Carbon Nanomaterial Using Concentrated Energy Flows

  • O. V. ChudinaEmail author
  • A. V. Eletskii
  • E. V. Terent’ev
  • G. S. Bocharov

Surface strengthening of structural steels with carbon nanomaterials using laser and electron-beam heating is studied. It is shown that during laser treatment the maximum microhardness of a modified layer is achieved in a strengthened zone up to 70 μm thick with q = 9 × 104 W/cm2, and with electron beam treatment in a strengthened zone up to 300 μm thick with q = 4.6 × 104 W/cm2. It is established that in both cases with optimum treatment regimes strengthening is due to forming martensite, a cellular structure, and grain disintegration.

Key words

modification laser treatment electron-beam treatment carbon nanomaterials steel commercial iron microhardness microstructure 


Work was carried out within the scope of project No. 16-19-10027 supported by the Russian Scientific Fund.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • O. V. Chudina
    • 1
    Email author
  • A. V. Eletskii
    • 2
  • E. V. Terent’ev
    • 2
  • G. S. Bocharov
    • 2
  1. 1.Moscow Automobile-Road State Technical University (MADI)MoscowRussia
  2. 2.National Research University MÉIMoscowRussia

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