Vacuum arc coatings in low pressure atmosphere cases
β Scribed by Yu Lipin
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 263 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0042-207X
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The stepwise increase of the burning voltage of short break arcs has been found not only in a gas but also in vacuum. It is suggested that the effect is associated with the occurrence of a positive anode fall which enhances ionisation phenomena near the anode. This view is supported by the simultane
Part I1 of the paper presents results of high temporal and spatial resolution experiments with vacuum arcs on pre-arced surfaces. Immobile spots, continuous spot motion and spot position oscillations have been observed. Tentative explanations of these phenomena are offered.