Average current per vacuum-arc cathode spot and spot velocity in a magnetic field on a CuCr50/50 nanocomposite

K. K. Zabello; I. N. Poluyanova; V. V. Yakovlev; S. M. Shkol’nik

doi:10.1134/S1063785017110293

Average current per vacuum-arc cathode spot and spot velocity in a magnetic field on a CuCr50/50 nanocomposite

Autores: Zabello K.K.¹, Poluyanova I.N.², Yakovlev V.V.³, Shkol’nik S.M.¹
Afiliações:
1. Ioffe Physical Technical Institute
2. Tavrida Electric Group
3. St. Petersburg State University
Edição: Volume 43, Nº 11 (2017)
Páginas: 1005-1008
Seção: Article
URL: https://bakhtiniada.ru/1063-7850/article/view/206420
DOI: https://doi.org/10.1134/S1063785017110293
ID: 206420

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It has been shown that such cathode spot characteristics as the average current per spot and its dependence on tangential magnetic-field induction B_t and the spot velocity and its dependence on B_t for two CuCr50/50 specimens with very different structures (nanocomposite and “solid-state sintered” composite) almost coincide if the surface of contacts has been totally remelted before measurements with the use of moderate arc currents in the process of conditioning.