合金溶液中溶质间活度相互作用系数预测模型

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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2 1873 K铁液中活度相互作用系数

$ε_{C}^{P b}$

、

$ε_{C}^{M n}$

、

$ε_{M n}^{C r}$

和

$ε_{A l}^{S i}$

在贡献系数取不同值条件下的计算值

$ε_{i (C a l c .)}^{j}$

与实验值

$ε_{i (E x p .)}^{j}$

^[6]比较

Table 2 Calculated values

$ε_{i (C a l c .)}^{j}$

of activity interaction coefficients

$ε_{C}^{P b}$

$ε_{C}^{M n}$

$ε_{M n}^{C r}$

, and

$ε_{A l}^{S i}$

in liquid iron alloy at 1873 K under specified contribution coefficient values, together with the corresponding experimental data

$ε_{i (E x p .)}^{j}$

from Ref.[6]

k-i-j	$α_{i (i j)}^{k}$	$α_{j (i j)}^{k}$	$α_{i (i k)}^{j}$	$α_{j (j k)}^{i}$	$ε_{i (C a l c .)}^{j}$	$ε_{i (E x p .)}^{j}$
Fe-C-Pb	1	0	0	0	4.15	5.73
	0	1	0	0	1.32
	0	1	1	1	-7.56
	1	0	1	1	-4.73
	1	0	0	1	-1.34
	1	0	1	0	0.76
	0	1	0	1	-4.17
	0	1	1	0	-2.07
Fe-C-Mn	1	0	0	0	-8.96	-1.88
	0	1	0	0	-1.62
	0	1	1	1	-5.01
	1	0	1	1	-12.35
	1	0	0	1	-8.96
	1	0	1	0	-12.35
	0	1	0	1	-1.62
	0	1	1	0	-5.01
Fe-Mn-Cr	1	0	0	0	0.74	0.90
	0	1	0	0	0.74
	0	1	1	1	0.73
	1	0	1	1	0.74
	1	0	0	1	0.74
	1	0	1	0	0.74
	0	1	0	1	0.73
	0	1	1	0	0.74
Fe-Al-Si	1	0	0	0	6.03	6.97
	0	1	0	0	6.01
	0	1	1	1	6.80
	1	0	1	1	6.82
	1	0	0	1	6.51
	1	0	1	0	6.34
	0	1	0	1	6.49
	0	1	1	0	6.32