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Characteristics of Vacuum-Arc Cathode Spots on the Refractory Metal Electrodes

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6 Author(s)
Chaly, A.M. ; IG Tavrida Electric, Moscow, Russia ; Barinov, Y.A. ; Minaev, V.S. ; Myatovich, S.U.
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The paper describes investigation of characteristics of vacuum-arc cathode spots on refractory metal electrodes (Mo, W) that depend on magnetic field and the arc current and length: velocity of spot motion, average current per spot, and Robson angle. In the experiments, the arcs have lengths h={2} and 6 mm and are subjected to magnetic field inclined to the cathode surface. The cathode surface is filmed during arcing by high-speed photography camera. The results obtained are compared with ones found in the literature.

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Plasma Science, IEEE Transactions on  (Volume:41 ,  Issue: 8 )