X-ray radiography of aluminum cathodes eroded in high-current vacuum arcs |
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Authors: | A.G. Rousskikh A.V. Fedyunin A.P. Artyomov A.S. Zhigalin V.I. Oreshkin |
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Affiliation: | 1. Institute of High Current Electronics, SB, RAS, Tomsk, Russia;2. National Research Tomsk Polytechnic University, Tomsk, Russia |
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Abstract: | The aim of the study presented in this paper was to characterize quantitatively the erosion of aluminum cathodes in high-current vacuum arcs. The experimental setup comprised two current generators. The first one, capable of generating a current of amplitude up to 350 kA, was used to produce a plasma jet, that is, the object to be investigated. The second generator was used to produce a source of probe radiation for imaging the object under investigation in soft x rays of energy ?ν ≈ 0.5–3 keV. The findings of the study are based on experimental data obtained by electrophysical and radiographic methods. It has been shown that the cathode erosion rate in a high-current vacuum arc is a function of the charge passed through the cathode. |
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Keywords: | Corresponding author. Vacuum arc Radiography X pinch |
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