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On the constrained crystallization of synthetic anorthite (CaO·Al2O3·2SiO2)

Published online by Cambridge University Press:  29 June 2016

Nitin P. Padture
Affiliation:
Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015
Helen M. Chan
Affiliation:
Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015
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Abstract

To determine the influence of volume constraint, the crystallization behavior of bulk anorthite glass was compared with that of anorthite glass situated at intergranular pockets in an alumina ceramic. Near-100% crystallization of the glass was obtained in both cases. Examination of the crystallized microstructures using SEM and TEM revealed several interesting features. The resulting microstructures, together with the very high degree of crystallization, are discussed with reference to a thermodynamic model for the constrained crystallization of glass.

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Articles
Copyright
Copyright © Materials Research Society 1992

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