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- Article name
- Microstructure and properties ceramics with Al6-xYxSi2O13 composition obtained by sol-gel methods
- Authors
- DUDKIN B. N., , , Institute of Chemistry of Komi SC UrD RAS, Syktyvkar, Russia
BUGAEVA A. Y., , , Institute of Chemistry of Komi SC UrD RAS, Syktyvkar, Russia
ZAYNULLIN G. G., , , Institute of Chemistry of Komi SC UrD RAS, Syktyvkar, Russia
FILIPPOV V. N. , , , Institute of Geology, Komi SC UrD RAS, Syktyvkar, Russia
- Keywords
- Year
- 2003 Issue 4 Pages 30 - 36
- Code EDN
- Code DOI
- Abstract
- Effect of yttrium oxide on properties and sintering of ceramic materials on synthetic mullite basis was investigated. Initial powders were synthesized by sol-gel method and corresponded to oxides ratio (3-x)Al2O3×xY2O3×2SiO2, where {0 £ х < 0.3}. Ceramics was sintered to nonporous state at 1350 °С in 2 hours. Significant increase of samples strength was observed in values range 0.025 < х < 0.08, that is bound up with peculiarity of yttrium distribution in ceramics microstructure at various compositions.
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