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Microstructure development and dielectric properties of fast-fired BaTiO3 ceramics

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Abstract

The technique of zone sintering was applied to three BaTiO3 source materials; studies were made in air, oxygen and vacuum. The optimum firing conditions suggested for the zone sintering of these materials were a temperature of 1450° C and a time in the hot zone of 5 min. The temperature dependence of the dielectric constant could be closely related to the firing conditions and material microstructure. Lower room-temperature dielectric constants and lower Curie temperatures were found as the holding time in the hot zone was increased, yielding larger grained structures.

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Authors and Affiliations

  1. Department of Ceramics, University of Leeds, LS2 9JT, Leeds, UK

    H. Mostaghaci & R. J. Brook

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  1. H. Mostaghaci
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  2. R. J. Brook
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Mostaghaci, H., Brook, R.J. Microstructure development and dielectric properties of fast-fired BaTiO3 ceramics. J Mater Sci 21, 3575–3580 (1986). https://doi.org/10.1007/BF02403005

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  • DOI: https://doi.org/10.1007/BF02403005

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