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Heat-Resistant SiO2–Al2O3–TiO2 Ceramics with Nanostructured Alumina Filler and Their Properties

  • T. M. UlyanovaEmail author
  • N. P. Krutko
  • P. A. Vitiaz
  • L. V. Ovseenko
  • L. V. Titova
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 156)

Abstract

This chapter deals with preparation processes of SiO2–Al2O3–TiO2 composite materials doped by nanostructured fibrous powders γ- and α-Al 2O3. Physical and chemical interaction of active nanostructured fillers γ-and α-Al2O3 with a ceramic matrix of SiO2–Al2O3–TiO2 was investigated. Introduction of nanostructured fibrous powders γ- and α-alumina initiated solid-phase reactions—formation of mullite and tialite when heating in the field of temperatures in the range of 1350–1500 °C. The formed acicular crystals of mullite served as the centers of energy dissipation and strengthened a composite. The compounds of alumina titanate reduced the value of linear expansion thermal coefficient of composite material and increased its thermal stability. It has been shown that alumina nanostructured fillers changed structure and improved the properties of silica–alumina–titania composite materials.

Keywords

Ceramic Sample Moisture Absorption Glass Mass Cellulose Hydrate Nanostructured Fiber 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

Research was realized by the support of State Scientific Program of NAS of Belarus.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • T. M. Ulyanova
    • 1
    Email author
  • N. P. Krutko
    • 1
  • P. A. Vitiaz
    • 1
  • L. V. Ovseenko
    • 1
  • L. V. Titova
    • 1
  1. 1.Institute of General and Inorganic Chemistry of NAS of BelarusMinskRepublic of Belarus

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