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has been cited by the following article:

• TITLE: Simulation of Thermophysical Processes at Laser Welding of Alloys Containing Refractory Nanoparticles

  AUTHORS: Anatoly N. Cherepanov, Vasily P. Shapeev, Guangxun Liu, Lamei Cao

  KEYWORDS: Mathematical Model; Laser Welding; Nanopowder Inoculators; Crystallization Process; Calculation Results

  JOURNAL NAME: Advances in Materials Physics and Chemistry, Vol.2 No.4B, October 10, 2013

  ABSTRACT: Mathematical model is formulated for description of thermophysical processes at laser welding of metal plates for the case when modifying nanoparticles of refractory compounds (nanopowder inoculators – NPI) are introduced into the weld pool. Specially prepared nanoparticles of refractory compounds serve here as crystallization centers, i.e. in fact they are exogenous inoculants on which surface clusters are grouped. This can be used to control the melt crystallization process and formation of its structure, and, therefore, properties of the weld seam. As an example, calculation results of the butt welding of aluminum alloy and steel plates are presented. The results of calculation and experimental data comparison are shown.