Effect of coaxial laser cladding parameters on bead formation

  • A. I. Noskov
  • A. Kh. Gilmutdinov
  • R. M. Yanbaev


We investigated the shape and morphology of nickel-based powder particles (Sulzer Metco) and coatings produced by laser gas–powder deposition onto steel substrates. Laser deposition was performed using an LC-10 IPG-Photonics laser complex equipped with a 10-kW fiber laser. The shape and microstructure of the samples were studied using optical and electronic microscopy and X-ray diffraction analysis. The results showed that the deposition speed and laser power significantly influenced the shape and size of the beads. The depth of diffusion of nickel into the steel substrate after deposition was less than 20 μm; the microstructure of the resulting coating was fcc Fe3Ni. As a result, detailed information about the form and shape of the filler powder, modes of its deposition, and the resulting coating structure was obtained; this information is important for the production of high-quality products by additive technologies.


laser cladding additive manufacturing microstructure morphology bead formation 


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The work has been done in Kazan National Research Technical University named after A.N. Tupolev under the support of the Ministry of Education and Science of the Russian Federation, state contract No. 14.Z50.31.0023 within the scope of the 220th Enactment and under the state assignment No. 9.3236.2017/PCH.


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Copyright information

© University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • A. I. Noskov
    • 1
  • A. Kh. Gilmutdinov
    • 1
  • R. M. Yanbaev
    • 1
  1. 1.Kazan National Research Technical UniversityKazan, Republic of TatarstanRussian Federation

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