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Cold isostatic pressing as a method for fabricating ceramic products with high physicomechanical properties

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Refractories and Industrial Ceramics Aims and scope

Abstract

The experimental results published by the author and his co-workers in 24 earlier works and novel original data are analyzed. It is shown that the process of cold isostatic pressing (CIP) occurs with mechanical activation of the powder particles due to their self-deformation with a simultaneous self-compaction of the semiproduct. The CIP process of powders or traditionally shaped preforms is shown to elevate their density and activate the sintering processes but diminish their sintering temperature and increase the density, strength and crack resistance of the ceramics. The use of surface-active substances (SAS) in CIP is shown to elevate the level of the physicomechanical properties of the ceramics. The basic concepts of controlling the properties of ceramics by choosing the appropriate dispersity of the powder, the CIP pressure, the SAS, and the sintering regime are presented.

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  1. Donetsk Physicotechnical Institute of the National Academy of Sciences of Ukraine, Donetsk, Ukraine

    G. Ya. Akimov

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Akimov, G.Y. Cold isostatic pressing as a method for fabricating ceramic products with high physicomechanical properties. Refract Ind Ceram 39, 283–287 (1998). https://doi.org/10.1007/BF02765082

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