Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 539.21 (06)
STUDY OF CARBIDE FORMATION IN THE PLASMA OF A LOW-PRESSURE PULSED ARC DISCHARGE
L. Yu. Fedorov [1]*, A. V. Ushakov [1], I. V. Karpov [1], A. A. Lepeshev [1], [2], A. A. Shaihadinov [1]
[1] Siberian Federal University 79, Svobodny Av., Krasnoyarsk, 660041, Russian Federation [2] Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation *E-mail: sfu-unesco@mail.ru
We examine the influence of pressure and gas mixture composition on the preparation of nanomaterials via vacuum arc sputtering of titanium cathodes in carbon-containing media. The formation of carbide phases in various gaseous atmospheres is accompanied by the formation of the low-temperature phase α-Ti (hcp lattice), characteristic of pure titanium. Carbide formation in the plasma synthesis of TiC nanoparticles is determined by the C/H ratio in the molecules of the hydrocarbons used. To raise the yield of carbon-rich carbide phases and reduce the percentage of the residual metal in the resulting nanopowders, it is necessary to use hydrocarbons with a large C/H ratio, for example, benzene and acetylene.
titanium carbide, plasma synthesis, nanoparticles, microstructural characteristics, vacuum arc sputtering.
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Fedorov Leonid Yur’evich – postgraduate student, junior researcher, Siberian Federal University. E-mail:
1401-87@mail.ru

Ushakov Anatoly Vasilievich – Cand. Sc., Docent, Department of Modern Natural Science, Institute for the Humanities, Siberian Federal University. E-mail: ushackov@mail.ru

Karpov Igor Vasil’evich – Cand. Sc., senior researcher, Siberian Federal University. E-mail: karpovsfu@mail.ru

Lepeshev Anatoly Aleksandrovich – Dr. Sc., lead researcher, Siberian Federal University. E-mail: alepeshev@yandex.ru

Shaihadinov Aleksandr Anatol'evich – Cand. Sc., senior researcher, Siberian Federal Uneiversity. E-mail: shaihadinov@mail.ru