Physicomechanical properties of refractory Al2O3–Si3N4–C materials with ACPC

Physicomechanical properties of refractory Al2O3–Si3N4–C materials with ACPC A study has been made on the effects of the amount of silicon nitride and graphite on the physicomechanical properties of Al2O3–Si3N4–C composites for lining purposes. Adding 2.5–5.0 wt.% silicon nitride and 0.5 wt.% reactive alumina improves the properties, raises their apparent density, and increases the mechanical strength, while reducing the open porosity. Optimized compositions have been determined for refractory materials of Al2O3–Si3N4–C composition, and it has been found that to attain the higher values of physicomechanical properties the amount of graphite should constitute 5–10 wt.%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Physicomechanical properties of refractory Al2O3–Si3N4–C materials with ACPC

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Publisher
Springer Journals
Copyright
Copyright © 2009 by Springer Science+Business Media, Inc.
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/s11148-010-9220-x
Publisher site
See Article on Publisher Site

Abstract

A study has been made on the effects of the amount of silicon nitride and graphite on the physicomechanical properties of Al2O3–Si3N4–C composites for lining purposes. Adding 2.5–5.0 wt.% silicon nitride and 0.5 wt.% reactive alumina improves the properties, raises their apparent density, and increases the mechanical strength, while reducing the open porosity. Optimized compositions have been determined for refractory materials of Al2O3–Si3N4–C composition, and it has been found that to attain the higher values of physicomechanical properties the amount of graphite should constitute 5–10 wt.%.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Mar 10, 2010

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