Volume 115, Number 3, August 2016
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||12 September 2016|
One more study of argon arc binding to pure tungsten cathode
Joint Institute for High Temperatures of RAS - 13, bldg. 2 Izhorskaya str., Moscow, 125412, Russia
Received: 24 June 2016
Accepted: 16 August 2016
Pyrometric and spectroscopic investigations of pure tungsten cathode in argon arc plasma discharge at atmospheric pressure are reported. The distribution of surface cathode temperature and the radial distribution of plasma temperature at different distance from the cathode tip were measured. We conducted a comparison between our work and other studies on arc discharges where cathodes from lanthanated (W-2% La2O3) and thoriated (W-2% ThO2) tungsten were used.
PACS: 52.50.Nr – Plasma heating by DC fields; ohmic heating, arcs
© EPLA, 2016
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