Atmospheric-Pressure Synthesis of Titanium Carbide in an Arc Plasma Reactor

A. A. Gumovskaya; Гумовская А. А.; V. V. Shekhovtsov; Шеховцов В. В.; A. Ya. Pak; Пак А. Я.; R. D. Gerasimov; Герасимов Р. Д.; O. G. Volokitin; Волокитин О. Г.; G. Ya. Mamontov; Мамонтов Г. Я.

doi:10.31857/S0002337X23050044

Atmospheric-Pressure Synthesis of Titanium Carbide in an Arc Plasma Reactor

Authors: Gumovskaya A.A.¹^,2, Shekhovtsov V.V.¹, Pak A.Y.³, Gerasimov R.D.¹^,2, Volokitin O.G.¹, Mamontov G.Y.²
Affiliations:
1. Tomsk State University of Architecture and Civil Engineering
2. National Research Tomsk Polytechnic University
3. Tomsk Polytechnic University
Issue: Vol 59, No 5 (2023)
Pages: 475-480
Section: Articles
URL: https://journal-vniispk.ru/0002-337X/article/view/140146
DOI: https://doi.org/10.31857/S0002337X23050044
EDN: https://elibrary.ru/QFIDHB
ID: 140146

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Abstract

This paper reports on titanium carbide synthesis in an atmospheric-pressure arc plasma reactor by exposing a stoichiometric starting mixture (Ti : C ~ 1 : 1.05) to a plasma jet. The phase composition of the synthesized TiC powder has been determined as a function of the time during which the starting mixture was exposed to a thermal plasma flow and the current (40–120 A) through the electric arc plasma source. The powders obtained under optimal conditions consist of the cubic titanium carbide phase and have a broad particle size distribution, with distinct agglomerates on the order of 50–100 μm in size. It is worth noting that the surface of the agglomerates has the form of a densified perforated crust (with a pore diameter no greater that 2 μm).

Keywords

titanium carbide, plasma reactor, plasma source, vacuum-free process, fine powder

References

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