Synthesis of silicon carbide using an AC atmospheric-pressure arc reactor

Synthesis of silicon carbide using an AC atmospheric-pressure arc reactor

Библиографические подробности
Источник:Journal of Alloys and Compounds.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 1003.— 2024.— Article number 175589, 7 p.
Автор-организация: National Research Tomsk Polytechnic University (570)
Другие авторы: Lavrenchuk A. A. Anton Anatoljevich, Speransky M. Yu. Maksim Yurjevich, Pak A. Ya. Aleksandr Yakovlevich, Korchagina A. P. Anastasiya Pavlovna, Vlasov A, V. Aleksey Vladimirovich
Примечания:The paper presents the results of the experimental development of a technique for producing silicon carbide from a carbon black and silicon mixture heated to the temperature required to induce carbide formation by AC arc discharge. For the first time, the technique for producing silicon carbide using the AC arc discharge method in an oxygen-containing (air) environment is demonstrated. The study revealed the dependence of the phase composition of the product on the AC arc discharge energy, which depended on two variables: the operating cycle duration and the discharge current strength. As a result, the parameters to produce silicon carbide with a purity exceeding 95 % (as evidenced by X-ray diffraction analysis) were determined. The size distribution of silicon carbide particles was found to vary from tens of nanometers to tens of micrometers. The morphology of the product particles is characteristic of silicon carbide single crystals. Transmission electron microscopy revealed several types of nano-sized silicon carbide objects in the synthesis product, including nanorods and nanowires. The specific surface area of the resulting powder attains ∼ 9 m2/g.
Текстовый файл
Опубликовано: 2024
Предметы:
Silicon carbide
AC arc discharge
Vacuum-free electric arc method
Phase composition
Oxidation
труды учёных ТПУ
электронный ресурс
Online-ссылка:https://doi.org/10.1016/j.jallcom.2024.175589
Формат: Электронный ресурс Статья
Запись в KOHA:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=674717

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