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Particle Size Estimation of Powder with Refractory Additives for Plasma Surfacing

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Abstract—A dynamic model of the sprayed particles with uniform distribution of the speed and temperature of the plasma flux is developed. Analytical estimates are obtained for the particle velocity in the flux—that is, the Biot number, which characterizes the heat transfer between the particles and the plasma flux—and also for the temperature distribution of the particles over time and over the radius. The fractional composition of the batch in the powder wire dispersed by argon plasma is calculated.

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Authors and Affiliations

  1. Larionov Institute of the Physical-Technical Problems of the North, Siberian Branch, Russian Academy of Sciences, 677980, Yakutsk, Russia

    A. K. Kychkin & A. A. Gavrilieva

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  1. A. K. Kychkin
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  2. A. A. Gavrilieva
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Correspondence to A. K. Kychkin.

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Translated by B. Gilbert

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Kychkin, A.K., Gavrilieva, A.A. Particle Size Estimation of Powder with Refractory Additives for Plasma Surfacing. Russ. Engin. Res. 39, 930–934 (2019). https://doi.org/10.3103/S1068798X1911011X

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  • DOI: https://doi.org/10.3103/S1068798X1911011X

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