Relationship between fracture resistance and critical temperature difference in ceramic materials

Relationship between fracture resistance and critical temperature difference in ceramic materials The resistance of ceramics to thermal shock can be characterized using either a parameter of their resistance to fracture R or the critical temperature difference ΔT c=ΔT c(Bi). It is demonstrated that a correlation exists between the values ofR and ΔT c. Experiments were performed on alumina-based ceramic materials (99.8 and 86% Al2O3), glass-bonded mullite, and a borosilicate glass. Three equations were used to describe the dependence of the critical temperature difference on the Biot number. A relationship between the critical temperature difference and the parameterR was considered and the best correlation between the values ofR and ΔT c was established using statistical analysis techniques. It is shown that the correlation can be described satisfactorily in terms of a linear dependence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Relationship between fracture resistance and critical temperature difference in ceramic materials

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Publisher
Springer Journals
Copyright
Copyright © 1997 by Plenum Publishing Corporation
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02767836
Publisher site
See Article on Publisher Site

Abstract

The resistance of ceramics to thermal shock can be characterized using either a parameter of their resistance to fracture R or the critical temperature difference ΔT c=ΔT c(Bi). It is demonstrated that a correlation exists between the values ofR and ΔT c. Experiments were performed on alumina-based ceramic materials (99.8 and 86% Al2O3), glass-bonded mullite, and a borosilicate glass. Three equations were used to describe the dependence of the critical temperature difference on the Biot number. A relationship between the critical temperature difference and the parameterR was considered and the best correlation between the values ofR and ΔT c was established using statistical analysis techniques. It is shown that the correlation can be described satisfactorily in terms of a linear dependence.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 26, 2007

References

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