Abstract
Consideration is given to the processes of acceleration and heating of metallic particles in the device proposed by the authors for deposition of metallurgical coatings with the use of a short argon arc. The coatings produced are compared to those deposited by the traditional method of plasma spraying. Results of spectroscopic determinations of the temperature fields of the arc are given. The heat-flux density and the temperature of macroparticles are evaluated by the parameters of their destruction in the plasma found experimentally. The high efficiency of the technology proposed for heating of metallic powders, including high-melting ones, is shown.
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Shimanovich, V.D., Smyaglikov, I.P. & Zolotovskii, A.I. Production of Coatings from Powder Materials with the Use of a Short Argon Arc. 1. Experimental Study of Plasma Heating of Macroparticles. Journal of Engineering Physics and Thermophysics 75, 1256–1263 (2002). https://doi.org/10.1023/A:1022138220431
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DOI: https://doi.org/10.1023/A:1022138220431