Synthesis of Boron Carbide by the Electric Arc Method in Open Air from Carbon of Various Origins

被引：0

作者：

Martynov, R. S. ^{[1
]}

Pak, A. Ya. ^{[1
]}

Mamontov, G. Ya. ^{[1
]}

Volokitin, O. G. ^{[2
]}

Yankovsky, S. A. ^{[1
,3
]}

Gumovskaya, A. A. ^{[1
]}

Povalyaev, P. V. ^{[1
,3
]}

Bolatova, Zh. ^{[1
]}

机构：

[1] Tomsk Polytech Univ, Tomsk, Russia

[2] Tomsk State Univ Architecture & Bldg, Tomsk, Russia

[3] Fed State Budgetary Educ Inst Higher Educ, Kemerovo, Russia

来源：

TECHNICAL PHYSICS | 2024年 / 69卷 / 05期

关键词：

boron carbide; electric arc synthesis; carbon fibers; flake graphite; carbon of plant origin; ENCAPSULATION; OXIDATION;

D O I：

10.1134/S1063784224040224

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The paper presents the results of experimental studies on the implementation of electric arc synthesis of boron carbide using carbon with different morphology and origin as a feedstock: carbon fibers, flake graphite, carbon obtained by pyrolysis of plant waste, namely, pine sawdust and cedar nuts husks. A feature of the electric arc method used is its implementation using an original plasma reactor using atmospheric air as a working gas medium. Oxidation of feedstock and synthesis products in the working cycle of the reactor is prevented due to the generation of CO and CO2 gases in the reaction zone. The possibility of obtaining a material containing micron and submicron boron carbide crystals in a graphite matrix has been experimentally shown. Also, the paper presents information about the features of the oxidation processes of the obtained materials in comparison with commercial samples of boron carbide.

引用

页码：1264 / 1270

页数：7

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