Abstract

The flow of molten (TeO2)0.78(WO2)0.22 glass in a circular-cylindrical channel has been studied at temperatures from 390 to 430°C. The variation of the measured volumetric flow rate with the gas pressure over the melt attests to non-Newtonian flow behavior. The flow rates calculated in the pseudoplastic model were used to determine the yield stress and plastic (Bingham) viscosity of the melt.

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