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Numerical analysis of the influence of surface-active substance in the melt on the distribution of modifying particles and crystallization at the treatment of metal surface by a laser pulse

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Thermophysics and Aeromechanics Aims and scope

Abstract

A mathematical model is proposed for the process of modifying the metal surface layer by refractory nano-size particles with the aid of the pulse laser radiation, which accounts for the surface tension dependence on the presence of surface-active substance in the melt. Numerical modeling has been carried out, from the results of which the influence of the surface -active admixture on the character of forming flows, distribution of particles of the modifying substance in the metal, and the melt crystallization process have been estimated.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia

    A. N. Cherepanov & V. N. Popov

Authors
  1. A. N. Cherepanov
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  2. V. N. Popov
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Correspondence to A. N. Cherepanov.

Additional information

The work was financially supported within the framework of the partner integration project Inst. Machine Building Ural Branch of RAS — ITAM SB RAS No. 4 and under the RFBR financial support (Grant No. 11-08-00814-a).

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Cherepanov, A.N., Popov, V.N. Numerical analysis of the influence of surface-active substance in the melt on the distribution of modifying particles and crystallization at the treatment of metal surface by a laser pulse. Thermophys. Aeromech. 21, 355–363 (2014). https://doi.org/10.1134/S0869864314030093

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  • DOI: https://doi.org/10.1134/S0869864314030093

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