Al-Mg-Zn 三元合金表面张力的估算

doi:10.12066/j.issn.1007-2861.1957

Abstract

Abstract:

The surface tensions of the Al-Mg, Mg-Zn and Al-Zn binary systems at 973 K were estimated on the basis of Butler's equation, in combination with excess Gibbs energy parameters calculated by CALPHAD technology. The results indicated that the surface tension of Al melts decreased with increasing additions of Mg and Zn. At the same time, the surface tension of Al-Mg-Zn ternary alloy at 973 K were calculated by using Chou model. The results showed that surface tension of ternary alloy was approximately in the range of 0.575$\sim $0.864 N/m, and the surface tension decreased with addition of Mg. The estimated results of binary or ternary alloys were in excellent agreement with experimental data and the error was less than 5${\%}$.

Key words: Al-Mg-Zn ternary alloy, surface tension, Chou model, Butler's equation

CLC Number:

TG146.2

Ailin ZHOU, Zhiliang YANG, Hang SHI, Zhu LI, Liande WU, Guangxin WU, Jieyu ZHANG. Estimation of surface tension of Al-Mg-Zn ternary alloy[J]. Journal of Shanghai University（Natural Science Edition）, 2019, 25(4): 462-471.

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Estimation of surface tension of Al-Mg-Zn ternary alloy

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