Thermodynamic Re-assessment of the Lanthanum-Tin System
作者： Xiaojing Li , Shuhong Liu , Yuling Liu , Yong Du
DOI: 10.1007/S11669-019-00751-X
关键词: Tin 、 Gibbs free energy 、 Thermodynamics 、 Experimental data 、 Phase diagram 、 Polynomial 、 CALPHAD 、 Intermetallic 、 Work (thermodynamics) 、 Materials science
摘要: The lanthanum-tin system has been critically re-assessed based on available experimental data by the CALPHAD (CALculation of PHAse Diagram) method. liquid phase was characterized both associated solution and substitutional models, while seven intermetallics were treated as stoichiometric compounds. La1Sn1 chosen complex in model. Redlich–Kister polynomial used to describe excess Gibbs energy Two sets self-consistent thermodynamic parameters for La-Sn finally obtained. calculated results agree well with diagram data. Calculations using obtained present work reproduce reasonably well. Compared previous assessments utilizing significant improvements have made work.
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