Preparation of High‐Strength Calcium Phosphate Glass‐Ceramics by Unidirectional Crystallization
- 1 July 1984
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 67 (7) , C‐142-C‐144
- https://doi.org/10.1111/j.1151-2916.1984.tb19625.x
Abstract
Unidirectionally crystallized CaO‐P2O5 glass‐ceramics were produced by reheating glass rods between 450° and 580°C (glass transition temperature ∼500°C) under a temperature gradient of 30°C/cm. These glass‐ceramics exhibit high bending strength (∼650MN/m2) and toughness. Sample preparation is described and compared with conventional unidirectional solidification of melts. The characteristic mechanical properties are discussed in terms of the texture of the glass‐ceramics.Keywords
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