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Nondestructive Testing of the Physicomechanical Properties of Zinc-Oxide Varistors Proposed by Different Manufacturers

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Refractories and Industrial Ceramics Aims and scope

We present the results of investigations by the nondestructive acoustic methods of the physicomechanical properties of zinc-oxide ceramic varistors produced by the leading foreign firms, such as ABB and Epcos, and the St.-Petersburg Plant of Energy-Protective Devices. We describe and discuss the results of application of this method for the determination of the properties of disk-shaped varistors with various diameter-to-height ratios. Note the range of particle dimensions of the powders used for the formation of varistors affects their physicomechanical properties.

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Authors and Affiliations

  1. “Zvuk,” LLC, St.-Petersburg, Russia

    E. Z. Kovarskaya & M. S. Shadrina

  2. “Plant of Energy-Protective Devices,” CJSC, St.-Petersburg, Russia

    M. A. Krasavina

  3. “’Marine Underwater Weapons–Gidropribor’ Concern”, St. Petersburg, Russia

    A. V. Krasnov & S. I. Pugachev

Authors
  1. E. Z. Kovarskaya
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  2. M. A. Krasavina
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  3. A. V. Krasnov
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  4. S. I. Pugachev
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  5. M. S. Shadrina
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Corresponding author

Correspondence to E. Z. Kovarskaya.

Additional information

Translated from Novye Ogneupory, No. 1, January, pp. 60 – 62, 2018.

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Kovarskaya, E.Z., Krasavina, M.A., Krasnov, A.V. et al. Nondestructive Testing of the Physicomechanical Properties of Zinc-Oxide Varistors Proposed by Different Manufacturers. Refract Ind Ceram 59, 59–62 (2018). https://doi.org/10.1007/s11148-018-0183-7

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  • DOI: https://doi.org/10.1007/s11148-018-0183-7

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