Paper Title:

Evaluation of the Degree of Crystallization in Glass-Ceramics by Dielectric Constant Measurements

Periodical Advanced Materials Research (Volumes 79 - 82)
Main Theme Multi-Functional Materials and Structures II
Edited by Yansheng Yin and Xin Wang
Pages 2279-2282
DOI 10.4028/www.scientific.net/AMR.79-82.2279
Citation Ye Han et al., 2009, Advanced Materials Research, 79-82, 2279
Online since August, 2009
Authors Ye Han, Shu Yu Yao, Hai Qing Sun, Wei Wei Zhang
Keywords Crystallization, Dielectric Constant, Glas Ceramics
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Abstract

A theoretical procedure was developed with the aim of obtaining a rapid and accurate estimation of the degree of crystallization in glasses obtained from fly ash by measuring the dielectric constants. Compositions were prepared by melting the mixture of fly ashes, nucleators, fusing agents and clearing agents at 1500°C. Dielectric constant measurements were carried out by means of universal bridge. The results were compared with the degree of crystallization as evaluated by the method of density and showed a good agreement.