Model of Structural Relaxation in Glass with Variable Coefficients

George W. Scherer; Simon M. Rekhson

doi:10.1111/j.1151-2916.1982.tb10462.x

Model of Structural Relaxation in Glass with Variable Coefficients

George W. Scherer, Simon M. Rekhson

Civil & Environmental Engineering

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Abstract

The model of structural relaxation by Narayanaswamy deals only with the constant temperature coefficients of the glass property, p. The assumption is seldom valid for real glasses. In this work, equations are obtained for the fictive temperature of glass if the temperature coefficient, dp/dT, is a linear function of T or of 1 /T². The temperature dependence of p has no significant influence on the calculated fictive temperatures.

Original language	English (US)
Pages (from-to)	c94-c96
Journal	Journal of the American Ceramic Society
Volume	65
Issue number	6
DOIs	https://doi.org/10.1111/j.1151-2916.1982.tb10462.x
State	Published - Jun 1982

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1982.tb10462.x

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abstract = "The model of structural relaxation by Narayanaswamy deals only with the constant temperature coefficients of the glass property, p. The assumption is seldom valid for real glasses. In this work, equations are obtained for the fictive temperature of glass if the temperature coefficient, dp/dT, is a linear function of T or of 1 /T2. The temperature dependence of p has no significant influence on the calculated fictive temperatures.",

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AB - The model of structural relaxation by Narayanaswamy deals only with the constant temperature coefficients of the glass property, p. The assumption is seldom valid for real glasses. In this work, equations are obtained for the fictive temperature of glass if the temperature coefficient, dp/dT, is a linear function of T or of 1 /T2. The temperature dependence of p has no significant influence on the calculated fictive temperatures.

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Model of Structural Relaxation in Glass with Variable Coefficients

Abstract

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