Hard Metal Waste Recycling by the Atmospheric Direct Current Arc Plasma; Energy Fluxes and Radiation Effects (EFRE-2020 online)

Hard Metal Waste Recycling by the Atmospheric Direct Current Arc Plasma; Energy Fluxes and Radiation Effects (EFRE-2020 online)

Bibliographic Details
Parent link:	Energy Fluxes and Radiation Effects (EFRE-2020 online).— 2020.— [P. 510-513]
Main Author:	Kokorina A. I. Aleksandra Ivanovna
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа энергетики Научно-исследовательский центр "Экоэнергетика 4.0"
Other Authors:	Pak A. Ya. Aleksandr Yakovlevich
Summary:	Title screen The paper presents the results of experimental studies on the preparation of fine powder materials of the tungsten-carbon system in a plasma of a direct current (DC) arc discharge initiated in an open-air environment. The initial reagents for the synthesis of powders containing tungsten carbide was waste of worn hard metal elements based on tungsten carbide and cobalt, which had been previously ground and subjected to oxidation. The process of obtaining non-oxide materials during the generation of a direct current arc plasma in the presence of carbon and tungsten is possible due to the intense generation of carbon monoxide and carbon dioxide gases, which shield the reaction volume from atmospheric oxygen. Synthesis products were analyzed by X-ray diffraction analysis, scanning electron microscopy and elemental analysis, tungsten carbides WC, W2C with hexagonal structure, tungsten-cobalt carbide and graphite-like materials were identified as synthesized polymorphs. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2020
Subjects:	электронный ресурс труды учёных ТПУ arc plasma tungsten carbide vacuum-free method arc synthesis synthesis duration hard metal wastes recycling дуговая плазма карбид вольфрама безвакуумные методы синтез отходы твердые металлы переработка отходов
Online Access:	https://doi.org/10.1109/EFRE47760.2020.9241911
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663045

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