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A model to calculate the viscosity of silicate melts: Part III: Modification for melts containing alkali oxides by Wan-Yi Kim; Arthur D. Pelton; Sergei A. Decterov is a Engineering article available to read on EtoBox.

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## Abstract Our recently developed model to describe the viscosity of silicate melts is extended to describe and predict the viscosities of alkali-rich silicate melts. The model requires one additional binary parameter for each __M__ ~2~O–SiO~2~ system, where __M__ is an alkali metal, to a total of three binary parameters per binary system alkali oxide – silica. In addition to unary and binary parameters, the model requires two ternary parameters for each alumina-containing ternary system __M__O__x__–Al~2~O~3~ –SiO~2~, where __M__O__x__ is a basic oxide, to describe the viscosity maxima in these ternary systems due to the Charge Compensation Effect. The viscosity of multicomponent melts and of ternary melts __M__O__x__–__N__O__y__–SiO~2~, where __M__O__x__ and __N__O__y__ are basic oxides, is predicted by the model solely from the unary, binary and ternary parameters. The available viscosity data for the alkali-containing subsystems of the Al~2~O~3~–CaO–MgO–Na~2~O–K~2~O–SiO~2~ system are reviewed. The model reproduces the experimental data for binary and ternary melts and predicts the viscosities of multicomponent melts within experimental error limits. In particular, the viscositi

Who reads A model to calculate the viscosity of silicate melts: Part III: Modification for melts containing alkali oxides?

Author

Wan-Yi Kim; Arthur D. Pelton; Sergei A. Decterov

Publisher

Walter de Gruyter GmbH

Published

2012

Language

EN

Field

Engineering (Physical Sciences)