合金溶液中溶质间活度相互作用系数预测模型

居天华, 舒念, 何维, 丁学勇

A Predicted Model for Activity Interaction Coefficient Between Solutes in Alloy Solutions

JU Tianhua, SHU Nian, HE Wei, DING Xueyong

表1 本模型中贡献系数值与常见外推模型导出的活度相互作用系数模型之间的对应关系

Table 1 Correspondences between the values of the contribution coefficients in the present model and the activity interaction parameters models built based on the traditional extrapolation models

$α_{i (i j)}^{k}$	$α_{j (i j)}^{k}$	$α_{i (i k)}^{j}$	$α_{j (j k)}^{i}$	Extrapolation model + Miedema model	Asymmetric component
1/2	1/2	1/2	1/2	Muggianu model^[43] + Miedema model^[27-29]	-
0	1	0	0	Toop-Kohler model^[32] + Miedema model^[27-29]	i
1	0	0	0	Toop-Kohler model^[32] + Miedema model^[27-29]	j
1/2	1/2	1	1	Toop-Muggianu model^[34] + Miedema model^[27-29]	k
0	1	0	1/2	Toop-Muggianu model^[34] + Miedema model^[27-29]	i
1	0	1/2	0	Toop-Muggianu model^[34] + Miedema model^[27-29]	j
Similarity coefficient of Chou's model方正汇总行^[39]				Chou's model^[39] + Miedema model^[27-29]