Abstract
Experiments are carried out for the self-propagating high-temperature synthesis of TiC–NiCr cermets, implemented in a mechanically activated powder mixture of Ti–C–NiCr in the free combustion mode and under pressure. It is found that an increase in the volume fraction of the binder decreases the size of TiC inclusions in particles obtained by the mechanical grinding of synthesized cermet compacts. A CCDS2000 computerized facility developed at the Lavrentyev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, is used to sputter the coatings. The results of comparison of the characteristics of detonation coatings made from the powders produced in this work and commercial Cr3C2–NiCr powder are given. The prospects of employing the self-propagating high-temperature synthesis of TiC–NiCr powders for the thermal spraying of wear resistant coatings are discussed.
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Original Russian Text © O.P. Solonenko, V.E. Ovcharenko, V.Yu. Ulianitsky, A.E. Chesnokov, I.S. Batraev, 2016, published in Poverkhnost’, 2016, No. 10, pp. 56–63.
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Solonenko, O.P., Ovcharenko, V.E., Ulianitsky, V.Y. et al. Effect of the microstructure of SHS powders of titanium carbide–nichrome on the properties of detonation coatings. J. Surf. Investig. 10, 1040–1047 (2016). https://doi.org/10.1134/S1027451016050402
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DOI: https://doi.org/10.1134/S1027451016050402