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Preparation of high-voltage ZnO varistor ceramics

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Abstract

We have examined the effect of dopant concentration on the properties of ZnO varistor ceramics and determined the composition and conditions of the synthesis of ceramic powders and sintering of ceramics at a temperature of 925°C. We obtained a breakdown voltage of 2.8–3.0 kV/mm and nonlinearity coefficient in the range 48–55.

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Authors and Affiliations

  1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 26a, Apatity, Murmansk oblast, 184209, Russia

    O. G. Gromov, Yu. A. Savel’ev, E. L. Tikhomirova, E. P. Lokshin & V. T. Kalinnikov

  2. Center for the Physicotechnical Power Generation Problems of the North, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184209, Russia

    A. N. Danilin & V. V. Kolobov

Authors
  1. O. G. Gromov
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  2. Yu. A. Savel’ev
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  3. E. L. Tikhomirova
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  4. A. N. Danilin
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  5. V. V. Kolobov
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  6. E. P. Lokshin
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  7. V. T. Kalinnikov
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Corresponding author

Correspondence to E. L. Tikhomirova.

Additional information

Original Russian Text © O.G. Gromov, Yu.A. Savel’ev, E.L. Tikhomirova, A.N. Danilin, V.V. Kolobov, E.P. Lokshin, V.T. Kalinnikov, 2015, published in Neorganicheskie Materialy, 2015, Vol. 51, No. 5, pp. 572–575.

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Gromov, O.G., Savel’ev, Y.A., Tikhomirova, E.L. et al. Preparation of high-voltage ZnO varistor ceramics. Inorg Mater 51, 516–519 (2015). https://doi.org/10.1134/S0020168515050040

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  • DOI: https://doi.org/10.1134/S0020168515050040

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