Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 7. Sintering and Secondary Mullite Formation of Materials Based on Composite Composition HCBS During Nonisothermal Heating and Isothermal Firing1

Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS.... The effect of nonisothermal heating in a high-temperature dilatometer and isothermal heating in the range 900 – 1600°C on sintering and secondary mullite formation for specimens based on composite composition HCBS, including with refractory clay additions, is studied. Maximum shrinkage values of 0.4 – 1.3% depending on composition are noted with nonisothermal heating up to 1200 – 1250°C or after isothermal firing at 1100 – 1200°C. Specimen growth index (up to 2.0 – 2.5%) after high-temperature firing depends on SiO2 content that indicates the volume of secondary mullite formed. 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 7. Sintering and Secondary Mullite Formation of Materials Based on Composite Composition HCBS During Nonisothermal Heating and Isothermal Firing1

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-017-0019-x
Publisher site
See Article on Publisher Site

Abstract

The effect of nonisothermal heating in a high-temperature dilatometer and isothermal heating in the range 900 – 1600°C on sintering and secondary mullite formation for specimens based on composite composition HCBS, including with refractory clay additions, is studied. Maximum shrinkage values of 0.4 – 1.3% depending on composition are noted with nonisothermal heating up to 1200 – 1250°C or after isothermal firing at 1100 – 1200°C. Specimen growth index (up to 2.0 – 2.5%) after high-temperature firing depends on SiO2 content that indicates the volume of secondary mullite formed.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Mar 28, 2017

References

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