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A new equation describing the temperature dependence of the electrical resistivity of alkali containing silicate melts
A new two parameter empirical equation describing the temperature dependence of the electrical resistivity of glass forming melts is proposed: log rho=A+B/(logT-2 dot 65), where rho 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 dot 02-0 dot 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 dot 07.
A new equation describing the temperature dependence of the electrical resistivity of alkali containing silicate melts
A new two parameter empirical equation describing the temperature dependence of the electrical resistivity of glass forming melts is proposed: log rho=A+B/(logT-2 dot 65), where rho 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 dot 02-0 dot 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 dot 07.
A new equation describing the temperature dependence of the electrical resistivity of alkali containing silicate melts
Priven, A.I. (author)
Glass Technology ; 46 ; 263-270
2005
8 Seiten, 9 Quellen
Article (Journal)
English
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