Abstract
The properties of manganese-containing phosphate and borophosphate glasses were studied: melting temperature, melt viscosity, homogeneity, and thermal and chemical stability. The studied compositions of the matrices meet the regulatory requirements of the vitrification department in terms of melting temperature and melt viscosity. Almost all tempered (original) glasses are X-ray amorphous. Thermal tests of glasses at a temperature of 450°C lead mainly to surface crystallization of samples and, in some cases, to volumetric crystallization. All phosphate glasses are chemically stable provided they contain Al2O3 within the prescribed values (14–18 wt %), while borophosphate glasses are stable at a high content of Al2O3 (approximately 19.6 wt %). The possibility to include MnO2 into glasses in the investigated range (from 2 to 7.25 wt %) is shown.
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Based on the Report at the Third Russian Conference with International Participation “Glass: Science and Practice” GlasSP2021, St. Petersburg, September 13–17, 2021
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Belanova, E.A., Remizov, M.B., Chesnokova, A.Y. et al. Study of the Qualitative Characteristics of Manganese-Containing Phosphate and Borophosphate Glasses. Glass Phys Chem 48, 372–383 (2022). https://doi.org/10.1134/S1087659622600302
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DOI: https://doi.org/10.1134/S1087659622600302