Abstract
In this investigation, the feasibility of direct synthesis and production of ultrafine tungsten carbide in a high-speed jet of tungsten carbon electric discharge plasma is shown. According to X-ray diffraction and electron microscopy, the plasmadynamic synthesis product consists of the cubic modification of tungsten carbide mostly, the structure of which is closest to the structural model of WC1 − x . Furthermore, the powder contains crystalline tungsten W, tungsten carbon W2C, and graphite C, the total weight of that amount being about 2.0 wt %. The particles of the tungsten material have a two-layer carbon shell.
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Original Russian Text © A.A. Sivkov, A.Ya. Pak, I.A. Rakhmatullin, K.N. Shatrova, 2014, published in Rossiiskie Nanotekhnologii, 2014, Vol. 9, Nos. 11–12.
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Sivkov, A.A., Pak, A.Y., Rakhmatullin, I.A. et al. Production of ultrafine tungsten carbide in a discharge plasma jet. Nanotechnol Russia 9, 682–687 (2014). https://doi.org/10.1134/S1995078014060147
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DOI: https://doi.org/10.1134/S1995078014060147