Abstract
The fundamentals of mathematical modeling of the modes of obtaining an ultrafine powder by metal particles laser ablation of vertically falling in an inert gas medium under the action of gravity, provided that these particles flow around the laminar flows of this gas and are outlined. Using the results of the research as an example, the practical possibility of using these foundations of mathematical modeling is shown when obtaining ultrafine powders with particles having a shape close to spherical by the proposed method of laser ablation from spherical titanium particles of a fraction of 45–63 μm falling vertically in an inert gas medium. It is recommended to use the developed foundations of mathematical modeling in the design and development of laser ablation-based technologies for obtaining ultrafine and nanosized powders, including those in demand in the additive manufacturing of powders.
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