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- Title
Plasma Jet Synthesis of Cubic Tungsten Carbide of Variable Stoichiometry.
- Authors
Sivkov, A. A.; Nasyrbaev, A.; Nikitin, D. S.; Shanenkov, I. I.; Rahmatullin, I. A.
- Abstract
This paper reports plasma jet synthesis of nanocrystalline cubic tungsten carbide. Using a coaxial magnetoplasma accelerator with graphite electrodes, we have implemented an experimental process that allows one to obtain up to 95% crystalline WC1 –x. We have demonstrated the feasibility of tuning the parameter 1 – x (stoichiometric ratio) in this compound by varying the energetics of the process and the composition of the starting mixture. Varying the released energy from 8 to 23 kJ and the ν(C)/ν(W) atomic ratio of the starting reagents from 0.6 to 2.5 allows the composition of cubic tungsten carbide to be tuned in the range WC0.64 to WC0.78.
- Subjects
PLASMA jets; TUNGSTEN carbide; STOICHIOMETRY; PLASMA gases; GRAPHITE; NONSTOICHIOMETRIC compounds
- Publication
Inorganic Materials, 2021, Vol 57, Issue 4, p337
- ISSN
0020-1685
- Publication type
Article
- DOI
10.1134/S0020168521040142