A novel molecular interaction chemical model(MICM)for silicate melts has been suggested based on statistical thermodynamics.It can simultaneously predict activities of all components in the CaO-FeO-SiO2 and CaO-Al2O3-SiO2 melts using only four binary parameters for each binary melt which can be determined by fitting activities of its two components.The results indicate that the predicted values of activity of FeO and SiO2 are in good agreement with the experimental data at 1823 K and1873 K,and those of CaO,SiO2 and Al2O3 are in reasonable agreement with the graphical integration data of the Gibbs-Duhem equation.This shows that the model is effective in which the physical interaction plays a main role and the chemical one does the auxiliary function.
参考文献
| [1] | V. V. Bondar;S. I. Lopatin;V. L. Stolyarova .High-Temperature Thermodynamic Properties of the Al_2O_3-SiO_2 System[J].Inorganic materials,2005(4):362-369. |
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