Phase relationships in the Al-rich region of the Al–Cu–Er system

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成果类型：

期刊论文

作者：

Zhang, Ligang;Masset, Patrick J.;Cao, Fuyong;Meng, Fangui;Liu, Libin*;...

通讯作者：

Liu, Libin

作者机构：

[Cao, Fuyong; Jin, Zhanpeng; Liu, Libin; Zhang, Ligang] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China.

[Masset, Patrick J.; Zhang, Ligang] Freiberg Univ Min & Technol, Ctr Innovat Competence Virtuhcon, D-09596 Freiberg, Germany.

[Jin, Zhanpeng; Liu, Libin; Zhang, Ligang] Cent S Univ, Sci Ctr Phase Diagram & Mat Design & Manufacture, Changsha 410083, Hunan, Peoples R China.

[Meng, Fangui] Cent S Univ Forestry & Technol, Sch Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.

[Liu, Libin] Cent S Univ, Sch Mat Sci & Engn, Lushan St 105, Changsha 410083, Hunan, Peoples R China.

通讯机构：

[Liu, Libin] C

Cent S Univ, Sch Mat Sci & Engn, Lushan St 105, Changsha 410083, Hunan, Peoples R China.

语种：

英文

关键词：

Al-Cu-Er system;Annealed alloys;As cast alloy;As-cast;CALPHAD;CALPHAD method;Energy dispersive X ray spectroscopy;Phase relationships;Solidification simulation;Ternary phase;Alloys;Erbium;Phase diagrams;Phase equilibria;Scanning electron microscopy;Solidification;X ray diffraction;X ray diffraction analysis;X ray spectroscopy;Aluminum

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2011

卷：

509

期：

页码：

3822-3831

DOI：

10.1016/j.jallcom.2010.12.029

基金类别：

This work is financially supported by National Science Foundation of China (grant nos. 50771106 , 50971136 and 50731002 ), Key Project of Chinese Ministry of Education (no. 109122 ), Project of excellent doctor degree of Central South University (no. 2008yb014 ) and the Scientific Research Foundation of Hunan Province Department of Land & Resources, China ( 2008K 22 ). Thermodynamic calculations are performed using the Pandat program licensed from The CompuThermo, LLC, Madison, WI, USA.

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本校为其他机构

院系归属：

材料科学与工程学院

摘要：

The Al-rich region of the ternary Al-Cu-Er system is investigated using the method of X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy. Phase equilibria in the Al-rich region of the Al-Cu-Er system at 673 K have been obtained, and the microstructures of as-cast alloys in the Al-rich region are also investigated. One ternary phase τ1-Al8Cu4Er with a composition of 59.4-60.4 at.% Al, 32.2-33.8 at.% Cu, and 6.4-7.7 at.% Er is observed in both as-cast and annealed alloys. At 673 K, the binary Al3Er phase di...

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