Boron Carbide Synthesis in Low-Voltage DC Electric Arc Initiated in Open Air / A. Ya. Pak, G. Ya. Mamontov
Уровень набора: Technical Physics LettersЯзык: английский.Резюме или реферат: 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..Примечания о наличии в документе библиографии/указателя: [References: p. 617 (8 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | синтез | карбид бора | низковольтные электродвигатели Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 617 (8 tit.)]
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.
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