Thermodynamic optimization of the Na2O-B2O3 pseudo-binary system |
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| Authors: | Chong Wang Hao Yu Huashan Liu and Zhanpeng Jin |
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| Affiliation: | (1) Department of Materials Science and Engineering, Central South University, 410083 Changsha, Hunan, P.R. China;(2) Present address: Laboratory of Electronics Production Technology, Helsinki University of Technology, P.O. Box 3000, 02015 TKK, Finland |
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| Abstract: | The Na2O-B2O3 system is thermodynamically optimized by means of the CALPHAD method. A two-sublattice ionic solution model, (Na+1)P(O−2,BO3
−3,B4O7
−2,B3O4.5)Q, has been used to describe the liquid phase. All the solid phases were treated as stoichiometric compounds. A set of thermodynamic
parameters, which can reproduce most experimental data of both phase diagram and thermodynamic properties, was obtained. Comparisons
between the calculated results and experimental data are presented. |
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| Keywords: | |
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