Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 4. Effect of Refractory Clay Additions on Properties of Compound Composition HCBS, Castings, and Materials Based on Them

Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS.... Examples are provided of the efficiency of adding refractory clays in HCBS technology and ceramic concretes. Properties of castings prepared by slip casting based on HCBS of composite composition in bauxite – very fine quartz glass (VFQG), and additions of refractory clay (1 – 10%) are studied. The effect of continuous nonisothermal heating up to 1500°C on specimen linear dimensions is studied by means of a high-temperature dilatometer. Data obtained are compared with specimen apparent porosity after isothermal firing with soaking for 1 h in the range 800 – 1500°C. Maximum linear shrinkage with nonisothermal heating and minimum value of apparent porosity after isothermal firing correspond to the range 1200 – 1500°C. Maximum indices are noted at 1500°C for both specimen growth and also porosity due to occurrence of secondary mullitization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 4. Effect of Refractory Clay Additions on Properties of Compound Composition HCBS, Castings, and Materials Based on Them

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-016-9930-9
Publisher site
See Article on Publisher Site

Abstract

Examples are provided of the efficiency of adding refractory clays in HCBS technology and ceramic concretes. Properties of castings prepared by slip casting based on HCBS of composite composition in bauxite – very fine quartz glass (VFQG), and additions of refractory clay (1 – 10%) are studied. The effect of continuous nonisothermal heating up to 1500°C on specimen linear dimensions is studied by means of a high-temperature dilatometer. Data obtained are compared with specimen apparent porosity after isothermal firing with soaking for 1 h in the range 800 – 1500°C. Maximum linear shrinkage with nonisothermal heating and minimum value of apparent porosity after isothermal firing correspond to the range 1200 – 1500°C. Maximum indices are noted at 1500°C for both specimen growth and also porosity due to occurrence of secondary mullitization.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: May 30, 2016

References

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