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Studies on microstructure and density of sintered ZnO-based non-linear resistors

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Abstract

Systematic studies have been made of the grain growth and density of sintered ZnO-based systems containing one or more additive oxides of the type Nb2O5, Bi2O3, Sb2O3, CoO, Cr2O3, MnO2, NiO and Al2O3. These samples were characterized using such techniques as scanning electron microscopy, X-ray diffraction and electron probe microanalysis. The influence of the nature and amount of additive oxides and sintering temperature is discussed in relation to microstructure, density and the phases present.

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Authors and Affiliations

  1. Department of Metallurgy and Materials Research Laboratory, Indian Institute of Science, 560 012, Bangalore, India

    T. Asokan & G. N. K. Iyengar

  2. Department of High Voltage Engineering, Indian Institute of Science, 560 012, Bangalore, India

    G. R. Nagabhushana

Authors
  1. T. Asokan
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  2. G. N. K. Iyengar
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  3. G. R. Nagabhushana
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Asokan, T., Iyengar, G.N.K. & Nagabhushana, G.R. Studies on microstructure and density of sintered ZnO-based non-linear resistors. J Mater Sci 22, 2229–2236 (1987). https://doi.org/10.1007/BF01132965

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  • DOI: https://doi.org/10.1007/BF01132965

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