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Reasons for the different effects of calcareous clays on strength properties of ceramics

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Abstract

It is demonstrated that the strength properties of ceramic products molded from poorly sintering polymineral low-melting argillaceous materials and calcareous clays improve due to an increasing content of the total montmorillonite component in the batch; due to organogenic calcite in calcareous clays, which in firing facilitates the formation of a local reducing medium that affects the transformation of Fe3+ to Fe2+ and facilitates earlier sintering of clay; and due to a gypsum impurity contained in calcareous clays, which is an intense flux.

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Authors and Affiliations

  1. Central Research Institute of Geology of Nonmetallic Minerals, Kazan, Russia

    A. V. Kornilov

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  1. A. V. Kornilov
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Translated from Steklo i Keramika, No. 12, pp. 30–32, December, 2005.

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Kornilov, A.V. Reasons for the different effects of calcareous clays on strength properties of ceramics. Glass Ceram 62, 391–393 (2005). https://doi.org/10.1007/s10717-006-0017-9

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  • DOI: https://doi.org/10.1007/s10717-006-0017-9

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