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Start Over Author "Tikhomirova, E. A." Topic combustion synthesis
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2. Dependence of Properties of High Voltage Zinc Oxide Varistor from Antimony and Nickel Oxides.

Author

Gromov, O. G., Tikhomirova, E. L., and Savel'ev, Yu. A.

Subjects
*HIGH voltages, *ZINC oxide, *ANTIMONY, *BREAKDOWN voltage, *DENSITY currents, *NICKEL oxides, *BISMUTH oxides
Abstract

Studies were carried out to reduce the leakage current of high-voltage ZnO varistor ceramics by varying Sb2O3 and NiO content in a ZnO-Bi2O3-Sb2O3-Al2O3-Co3O4-NiO. It was found that the ceramic composition (wt %): ZnO 80, Bi2O3 5.83, Sb2O3 2.62, A12O3 4.66, Co2O3 3.80, NiO 3.09, has a minimum leakage current density Iout ≤ 0.1 μA cm-2, breakdown voltage Ub = 4.1kV mm-1, nonlinearity coefficient α = 65. The resulting ceramics are promising for the production of varistors with high stability of performance. [ABSTRACT FROM AUTHOR]

Published
2019
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