Boron Carbide Synthesis in Low-Voltage DC Electric Arc Initiated in Open Air

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Abstract

We describe a method of obtaining ultrafine boron carbide (B13C2) powder using the effect of a dc electric arc on a mixture of initial reactants containing carbon and boron. A peculiarity of the proposed method is that it can be implemented using arc discharge operating in open air without any vacuum equipment and protective inert gas atmosphere. X-ray diffraction data showed that the synthesized product in the general case contained three crystalline phases: boron carbide (B13C2), graphite (C), and boron oxide (B2O3). Electron-microscopic examination showed that the average size of boron carbide particles ranged from ~50 nm to ~2 μm.

Original languageEnglish
Pages (from-to)615-617
Number of pages3
JournalTechnical Physics Letters
Volume44
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

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boron carbides
electric arcs
low voltage
direct current
air
synthesis
boron oxides
arc discharges
rare gases
boron
graphite
examination
atmospheres
vacuum
carbon
products
diffraction
electrons
x rays

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Boron Carbide Synthesis in Low-Voltage DC Electric Arc Initiated in Open Air. / Pak, A. Ya; Mamontov, G. Ya.

In: Technical Physics Letters, Vol. 44, No. 7, 01.07.2018, p. 615-617.

Research output: Contribution to journalArticle

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