Activation of Synthesis and Sintering of Mullite Aluminosilicate Ceramics Based on Natural Raw Materials

Tatiana V. Vakalova; Larisa P. Govorova; Antonina A. Reshetova; Anna Y. Tokareva; Ekaterina V. Shvagrukova

doi:10.4028/www.scientific.net/AMR.1040.268

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1040Activation of Synthesis and Sintering of Mullite...

Activation of Synthesis and Sintering of Mullite Aluminosilicate Ceramics Based on Natural Raw Materials

Abstract:

It is found out that activation of the sintering process for refractory clay-containing raw materials (rusk kaolin and wocheinite) is provided using additives of 3d-transition elements oxides (Fe₂O₃ and MnO₂) in the amount of 2 - 5 wt. % due to formation of defective solid solutions of mullite by isovalent substitution mechanism as well as fluxing additives of alkaline and alkaline-earth oxides (Na₂O, MgO) in the amount of 2 wt. % by regulating rheological properties of silicate melts.

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Periodical:

Advanced Materials Research (Volume 1040)

Pages:

268-271

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1040.268

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Online since:

September 2014

Authors:

Tatiana V. Vakalova*, Larisa P. Govorova, Antonina A. Reshetova, Anna Y. Tokareva, Ekaterina V. Shvagrukova

Keywords:

Bauxite, Corundum, Cristobalite, Kaolin, Mineralizing Additives, Mullite, Sintering

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