Influence of purity of the initial raw material on crystallization of cordierite glasses synthesized under the impact of a concentrated radiant flux
G. T. AdylovInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanM. A. ZufarovInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanГ. В. ВороновInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanН. А. КулагинаInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanÉ. P. MansurovaInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanM. Kh. RumiInstitute of Materials Science, NPO Fizika-Solntse, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
ABI
Abstract
Results are presented on the influence of the type of silica-containing raw material on the synthesis conditions and crystallization pattern of cordierite glasses. Use of mineral raw material, in particular, quartzkaolin-pyrophyllite rock, as the silicon dioxide source is shown to be optimal. The presence of dopants and an optimal SiO2 : Al2O3 ratio make it possible to decrease significantly the temperature of the initial glass boiling and to enhance the cordierite crystallization process.
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