Author: Priven, A.I.

Source: Glass Technology - European Journal of Glass Science and Technology Part A, Volume 46, Number 3, June 2005 , pp. 263-270(8)

Publisher: Society of Glass Technology

Abstract:

A new two parameter empirical equation describing the temperature dependence of the electrical resistivity of glass forming melts is proposed: log=A+B/(logT–2·65), where is the specific electrical resistivity, T is the absolute temperature, and A and B are empirical parameters that depend on the chemical composition. The equation enables a rather accurate extrapolation of the experimental temperature dependencies of the electrical resistivity from 1073–1273 K up to 1673 K, where it is rather difficult to measure this property, with the standard error in the extrapolated logarithmic resistivity values ranging from 0·02–0·085. For most common soda–lime–silica glasses, a single parameter equation is also proposed for estimates in the temperature range 1073–1673 K with standard error in the extrapolated logarithmic resistivity values of not more than 0·07.

Document Type: Research article

Publication date: 2005-06-01

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