Improvement of Calculation Method for the Activity Coefficient of Multi-component Alloys

Acta Metall Sin

2007, Vol. 43

Issue (5): 503-508 DOI:

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Improvement of Calculation Method for the Activity Coefficient of Multi-component Alloys

Yuan Liu

清华大学机械工程系材料加工技术研究所

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Yuan Liu. Improvement of Calculation Method for the Activity Coefficient of Multi-component Alloys. Acta Metall Sin, 2007, 43(5): 503-508 .

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Abstract Based on the Miedema model and Tanaka equation, a new method for calculating the parameter of the Molecular Interaction Volume Model(MIVM) has been developed to get the activity coefficient of multi-component liquid alloys. The predicted activity coefficients of components in Ti-6Al-4V, Ti-5Al-2.5Sn and Zn-Sn-Pb-Cd-Bi alloys present a good agreement with the experimental data.

Key words: multi-component alloy activity coefficient Miedema model

Received: 04 September 2006

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2007/V43/I5/503

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