Calculation of Compositions of Ceramic Masses for Production of TIles Based on Argillites

Number of journal: 8-2020
Autors:

Lazareva Ya.V.,
Kotlyar A.V.

DOI: https://doi.org/10.31659/0585-430X-2020-783-8-54-58
УДК: 691.424

 

AbstractAbout AuthorsReferences
The generalized research results and principles of calculating ceramic masses for producing clinker tiles based on mudstones are presented. It is noted that mudstones have low air shrinkage and sensitivity to drying, are easily fusible sintering raw materials with high strength of the calcined material, but they have insufficient ductility and cohesion for the production of tiles by the traditional method of molding – stamping. The task in the selection of compositions of ceramic masses is to increase the ductility and connectivity of mudstones while maintaining the other positive properties of mudstones. To do this, the authors applied a comprehensive approach to calculating the composition of ceramic masses by chemical and mineralogical indicators and grain composition, and as a correcting component for mudstones, based on reasonable criteria, the authors proposed to use siliceous clays, which are technological in their properties the opposite of mudstones. In the chemical-mineralogical aspect, the Al2O3/SiO2 ratio and the oxide content were taken into account: Fe2O3, CaO, MgO, K2O and Na2O, which was proposed by A.I. Augustinian. When calculating the grain composition to obtain the densest package, taking into account the grain composition of prepared mudstones and the natural dispersion of siliceous clays, they were based on the content of fractions: more than 0.01 mm, 0.01–0.001 mm and less than 0.001 mm. Moreover, the optimum content of siliceous clays in the masses is about 15%. Theoretical calculations were supported by practical results. The combined use of mudstones and siliceous clays in the calculated proportions made it possible to achieve a synergistic effect and to obtain clinker tiles with improved physical and mechanical properties.
Ya.V. LAZAREVA, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.V. KOTLYAR, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Don State Technical University (1, Gagarin Square, Rostov-on-Don, 344000, Russian Federation)

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For citation: Lazareva Ya.V., Kotlyar A.V. Calculation of compositions of ceramic masses for production of tiles based on argillites. Stroitel’nye Materialy [Construction Materials]. 2020. No. 8, pp. 54–58. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2020-783-8-54-58


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