Thermodynamic description of the Ag–(Ca, Li, Zn) and Ca–(In, Li) binary systems
作者： Jian Wang , Patrice Chartrand , In-Ho Jung
DOI: 10.1016/J.CALPHAD.2015.04.006
关键词: Binary number 、 Mg alloys 、 Pair approximation 、 Binary system 、 Work (thermodynamics) 、 Physical chemistry 、 Intermetallic 、 Chemistry 、 CALPHAD 、 Solid solution 、 Thermodynamics
摘要: Critical evaluations and thermodynamic modeling of the Ag-(Ca, Li, Zn) Ca-(In, Li) binary systems are presented. Thermodynamic optimization Ag–Li system was carried out in present work at first. re-optimizations Ag–Ca, Ag–Zn, Ca–In Ca–Li were work, which presents improvements comparison with previous works. The Modified Quasichemical Model Pair Approximation (MQMPA) used for liquid solution; this model is particularly suited exhibits a high degree short-range order. intermetallic compounds modeled Compound Energy Formalism (CEF), terminal solid solutions Bragg–Williams (BWM) sub-regular solution approximation. All available reliable experimental data reproduced within error limits. A self-consistent database constructed Ag–(Ca, Ca–(In, systems, as part Mg–X (X: Ag, Ca, In, Na, Sn, Sr, multi-component shall facilitate development Mg alloys practical industrial purposes.
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