Steklo i Keramika (Glass and Ceramics). Monthly scientific, technical and industrial journal

 

ISSN 0131-9582 (Online)

  • Continuous numbering: 1104
  • Pages: 31-36
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Heading: Science for ceramic production

For the synthesis of mullite 3Al 2 O 3 & middot; 2SiO 2 , hydrated aluminum oxide (GOA) and silicon dioxide SiO 2 obtained by sulfuric acid treatment of nepheline, as well as commercial finely dispersed aluminum hydroxide (MDHA) were used. The difference in the mechanism of synthesis has been established. When using GOA, mullite is formed directly by the interaction between aluminum and silicon oxides. When sintering with MDHA, the synthesis of mullite passes through the stage of formation of an intermediate aluminosilicate phase of sillimanite Al 2 O 3 & middot; SiO 2
Dr. Tech. Sci. V. A. MATVEEV ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), Cand. tech. D. V. MAYOROV ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), T. V. Kondratenko ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ); Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials named after I. V. Tananaeva - a separate subdivision of the Federal State Budgetary Scientific Institution of the Federal Research Center & # 171; Kola Scientific Center of the Russian Academy of Sciences & # 187; (Russia, Apatity)
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Matveev V. A., Mayorov D. V., Kondratenko T. V. Synthesis of Mullite on the Basis of Aluminum- and Silicon Oxygen Products of Sulfuric-Acid Processing of Nepheline. Steklo i keramika. 2019:92(12):31-36. (in Russ). UDK 546.05:549.613.4