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Cement-Free Refractory Concretes. Part 11. Colloidal-Chemistry Aspect of Technology

  • SCIENTIFIC RESEARCH AND DEVELOPMENT
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Refractories and Industrial Ceramics Aims and scope

The article discusses mechanisms of interaction between particles and the aggregate stability of suspensions as matrix systems of CFRC from the standpoint of dispersed system colloid chemistry. When considering sedimentation stability it is shown that a significant increase or achievement of complete sedimentation stability is achieved by a high suspension concentration, increased polydispersion, and also by stabilization. Criteria for evaluating the efficiency of using deflocculants in CFRC technology are proposed and a comparative assessment of their diluting effect as applied to bauxite HCBS is provided. A significant advantage is noted for deflocculants of composite (organomineral) composition compared with traditional materials. The stabilizing effect using very fine quartz glass in the production of HCBS based on bauxite and corundum is demonstrated. The effect of drying materials based on HCBS on structure formation is specified.

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  1. OOO NVF Kerambet-Ogneupor, St. Petersburg, Russia

    Yu. E. Pivinskii & P. V. Dyakin

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  1. Yu. E. Pivinskii
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  2. P. V. Dyakin
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Correspondence to Yu. E. Pivinskii.

Additional information

Translated from Novye Ogneupory, No. 9, pp. 20 – 34, September, 2021.

Continuation. Parts 1 – 10 of the article published in Novye Ogneupory Nos. 9 and 11 (2019), Nos. 1, 3, 7 and 9 (2020), and Nos. 1, 5, 6 and 8 (2021).

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Pivinskii, Y.E., Dyakin, P.V. Cement-Free Refractory Concretes. Part 11. Colloidal-Chemistry Aspect of Technology. Refract Ind Ceram 62, 513–525 (2022). https://doi.org/10.1007/s11148-022-00636-6

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