Al-Mg-Zn 三元合金表面张力的估算

doi:10.12066/j.issn.1007-2861.1957

上海大学学报(自然科学版) ›› 2019, Vol. 25 ›› Issue (4): 462-471.doi: 10.12066/j.issn.1007-2861.1957

Al-Mg-Zn 三元合金表面张力的估算

周艾琳¹, 杨志良¹, 史航¹, 李竹¹, 吴连得², 吴广新¹, 张捷宇¹()

1. 上海大学材料科学与工程学院, 上海 200444
2. 河北工程大学材料科学与工程学院, 河北邯郸 056038

收稿日期:2017-06-01 出版日期:2019-08-30 发布日期:2019-09-04
通讯作者: 张捷宇 E-mail:zjy6162@staff.shu.edu.cn
基金资助:
国家自然科学基金资助项目(51074103);国家自然科学基金资助项目(51674163);国家自然科学基金资助项目(51734002);上海市自然科学基金资助项目(16ZR1412000)

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

Ailin ZHOU¹, Zhiliang YANG¹, Hang SHI¹, Zhu LI¹, Liande WU², Guangxin WU¹, Jieyu ZHANG¹()

1. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
2. College of Materials Science and Engineering, Hebei University of Engineering, Handan 056038, Hebei, China

Received:2017-06-01 Online:2019-08-30 Published:2019-09-04
Contact: Jieyu ZHANG E-mail:zjy6162@staff.shu.edu.cn

摘要/Abstract

摘要：

运用 Butler 方程, 结合 CALPHAD 优化后的过剩吉布斯自由能, 计算了 973 K 温度下, Al-Mg, Mg-Zn, Al-Zn 二元合金的表面张力. 结果表明, 在 Al 熔体中加入金属 Mg 和 Zn, 可降低该液态合金的表面张力. 在此基础上, 利用 Chou 模型计算了 Al-Mg-Zn 三元合金的表面张力. 结果表明, Al-Mg-Zn 三元合金表面张力计算值范围为 0.575$\sim $0.864 N/m, 且随着 Mg 含量的增加, 表面张力减小. 对比了二元及三元合金表面张力的计算值与实验值, 误差在 5${\%}$ 以内.

关键词: Al-Mg-Zn 三元合金, 表面张力, Chou 模型, Butler 方程

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

中图分类号:

TG146.2

周艾琳, 杨志良, 史航, 李竹, 吴连得, 吴广新, 张捷宇. Al-Mg-Zn 三元合金表面张力的估算[J]. 上海大学学报(自然科学版), 2019, 25(4): 462-471.

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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Al-Mg-Zn 三元合金表面张力的估算

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

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