Synthesis of silicon carbide nanopowders in free flowing plasma jet with different energy levels

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Silicon carbide (SiC) nanopowders were produced by the synthesis in an electrodischarge plasma jet generated by a high-current pulsed coaxial magnetoplasma accelerator. The present work focuses on the experiments where the obtained hypersonic plasma jet flew into space of the reactor chamber without impact on a target. The energy level of experiments was changed from ∼10.0 to ∼30.0 kJ. Four experiments were carried out at different energy levels. The powder products synthesized by the plasmadynamic method were studied by such well-known methods: X-ray diffraction (XRD), transmission electron microscopy (TEM). All the powders mainly contain cubic silicon carbide (β-SiC) particles with clear crystal structures and triangular shapes. SiC content reaches its maximum value 95% at the energy level 21.0 kJ, then SiC content is decreased to 70% the energy level 27.8 kJ. The powder crystallites in different experiments have approximately the same average crystallite size because quasistationary time, which allows growing powder crystallites, is absent.

Original languageEnglish
Article number012120
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 4 May 2017
Event5th International Congress on Energy Fluxes and Radiation Effects 2016, EFRE 2016 - Tomsk, Russian Federation
Duration: 2 Oct 20167 Oct 2016

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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