Thermodynamic assessment of the Ho-Sb and Sb-Yb systems

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• 作者：X.J. Liu^a ; S.X. Gan^a ; Z.S. Li^a ; C.P. Wang^a ; ^{wangcp@xmu.edu.cn} ; A.T. Tang^b ; F.S. Pan^b
• 关键词：Thermodynamic properties ; Phase diagram ; Ho&ndash ; Sb system ; Sb&ndash ; Yb system
• 刊名：Calphad
• 出版年：2012
• 期刊代码：8_03645916
• 类别：ms
• 出版时间：June, 2012
• 卷：37
• 期：Complete
• 页码：132-136
• 文件大小：597 K

摘要

The phase diagrams of the Ho-Sb and Sb-Yb binary systems have been evaluated by using the CALPHAD (CALculation of PHAse Diagram) method with experimental data including the phase equilibria and thermodynamic properties. The Gibbs free energies of the liquid, bcc_A2, fcc_A1, hcp_A3, and rhombohedral_A7 phases were modeled by the subregular solution model with the Redlich-Kister formula, and those of the intermetallic compounds (Ho₅Sb_3, 伪Ho₄Sb₃, 尾Ho₄Sb₃, 伪HoSb, 尾HoSb,HoSb₂, Sb₂Y b,SbY b,Sb₁₀Y b₁₁,Sb₃Y b₄, 伪Sb₃Y b₅, and 尾Sb₃Y b₅) in these two binary systems were described by the two-sublattice model. An agreement between the present calculated results and experimental data was obtained.