Spectroscopy Peculiarities of Electric Arc Discharge Plasma With Iron Vapours

Abstract

This work is devoted to spectroscopy peculiarities of electric arc discharge plasma with iron vapours. The solution of the main issue of optical emission spectroscopy, namely, selection of iron spectral lines, to study the parameters of non-uniform and non-steady-state plasma source, was considered within this paper. Specifically, the Boltzmann plots technique was used for detailed analysing of application possibility of Fe I spectral lines as well as for determination of plasma temperature. The spatial profiles of selected spectral line emission intensities were used to measure the radial distributions of plasma temperature of free-burning arc discharge between consumable electrodes at 3.5 A.

Peculiarities of optical emission spectroscopy of Copper–Chromium‐air plasma

“…Therefore, this work is focused on the investigation of these parameters of copper-chromium-air plasma of arc discharges between different types of Cu-Cr composite This work is a continuation of a series of investigations of the air plasma with copper and chromium vapors admixtures. In past works (see Murmantsev et al 2020aMurmantsev et al , 2020bMurmantsev et al , 2021, the influence of sintering temperature on the erosion resistance of different types of Cu-Cr65% composites (manufactured by sintering technology) was investigated. This work is devoted to the influence of metals' composition in Cu-Cr material on the plasma parameters and its state.…”