arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2102.13199cond-mat.mtrl-sci
收藏

Ga-X(X= In,Tl)的无限稀活度系数及液态Ga-In-Tl合金中各组分热力学活度的计算

Computation of infinite dilute activity coefficients for Ga-X (X= In, Tl) and thermodynamic activities of all components in liquid Ga-In-Tl alloys

Olugbenga Morayo Oshakuade, Oluseyi Ezekiel Awe

摘要:

用分子相互作用体积模型(MIVM)计算了Ga-In-Tl体系在1073、1173和1273 K时各组分的热力学活度。本文用液态合金络合物形成模型的方法,预测了Ga-In和Ga-Tl二元体系的无限稀释活度系数,它是测定Ga-In-Tl体系中所有组分热力学活度所必需的。将计算的热力学活度系数应用于MIVM,计算结果与实验数据吻合较好。对Ga活度的预测结果令人满意,从而对其余两种组分(In和Tl)的活度进行了预测。绘制了各组分(Ga、In和Tl)的等活度图,揭示了Ga-In-Tl体系化学短程有序性质与组分的关系。

英文摘要:

The thermodynamic activities of all components in Ga-In-Tl system have been predicted at 1073, 1173 and 1273 K, using Molecular interaction volume model (MIVM). The infinite dilute activity coefficients for Ga-In and Ga-Tl binary subsystems, which were needed for the determination of thermodynamic activities of all components in Ga-In-Tl, have been predicted by using a method that is based on Complex formation model for liquid alloys. The computed thermodynamic activities of Ga in Ga-In-Tl were observed to satisfactorily agree with the available experimental data when the newly computed coefficients were applied in MIVM. The satisfactory prediction of the activity of Ga led to the prediction of the activities of the remaining two components (In and Tl). Iso-activities of all components (Ga, In and Tl) were plotted, and they reveal the dependence of the nature of chemical short range order in Ga-In-Tl system on composition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑