Experimental results on the application of sodium fluoride NaF and sodium tetraborate (borax) fluxes as well as their mixtures in the synthesis of foam glass materials based on diatomite raw material by the hydrate mechanism using an alkali solution are reported. The effect of NaF and borax on the formation of the structure of the material and the mechanism of their action during heat-treatment were studied. The optimal ratio of the batch components and the temperature-time regimes of synthesis of foam glass materials using the indicated additives to intensify sintering and melting were determined.
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This work was performed at the South-Russian State University of Economics (NPI) with financial support from the Russian Science Foundation under agreement No. 19-79-00015 ‘Investigation of the general mechanisms of the synthesis of porous materials based on technogenic and native silicate raw material’ (B. M. Gol’tsman, leader).
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Translated from Steklo i Keramika, No. 6, pp. 46 – 50, June, 2020.
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Gol’tsman, B.M., Yatsenko, E.A., Komunzhieva, N.Y. et al. Effect of Fluxes on the Synthesis of Porous Materials Based on Native Silicate Raw Material. Glass Ceram 77, 240–244 (2020). https://doi.org/10.1007/s10717-020-00279-4
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DOI: https://doi.org/10.1007/s10717-020-00279-4