Open AccessModelling of the plasma parameters of an arc discharge with sputtered composite metal-graphite anode
Author(s) -
А. В. Федосеев,
N. A. Demin,
С. З. Сахапов,
А. В. Зайковский,
Д. В. Смовж
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1243/1/012017
Subject(s) - anode , graphite , materials science , electric arc , helium , plasma , composite number , atomic physics , analytical chemistry (journal) , metal , composite material , metallurgy , electrode , chemistry , physics , nuclear physics , chromatography
A global integral model of an arc discharge in helium with sputtered composite metal-graphite anode is presented. The arcing time was measured experimentally for different elements and mass fractions of the metal additions to the graphite anode. The obtained calculated results for pure graphite anode show a good agreement with the experimental and calculated data of other authors. In particular, a good correspondence between the absolute values of electron density and temperature, the discharge voltage and the anode ablation rate as a function of the discharge current was shown. The obtained in the work experimental and calculated data have qualitative agreement, i.e. the anode erosion velocity increases with the addition of Zr, and decreases with the addition of Al.