Experimental investigation and thermodynamic optimization of the Al-Ni-Sc ternary system

被引：3
|
作者：
Miao, Haotian [1 ]
Zhang, Ligang [1 ]
Liu, Libin [1 ]
Deng, Zixuan [1 ]
Wang, Hang [2 ]
Masset, Patrick J. [3 ]
机构：
[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Jiangxi Univ Sci & Technol, Inst Engn Res, Sch Mat Sci & Engn, Ganzhou 341000, Jiangxi, Peoples R China
[3] Koszalin Univ Technol, Fac Mech Engn, Ul Sniadeckich 2, PL-75453 Koszalin, Poland
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2022年 / 76卷
基金：
中国国家自然科学基金;
关键词：
Al-Ni-Sc system; Phase equilibria; Isothermal sections; Thermodynamic modeling; MECHANICAL-PROPERTIES; PHASE-EQUILIBRIA; ALUMINUM; MICROSTRUCTURE; NICKEL; DIAGRAM; ALLOY;
D O I：
10.1016/j.calphad.2022.102397
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Phase equilibria of the Al-Ni-Sc system were investigated by combination of key experiments and thermodynamic modeling. The isothermal sections of the Al-Ni-Sc ternary system in the (Al, Ni)-rich region at 873K and 673K were investigated using the electron probe microanalysis (EPMA) and X-ray diffraction (XRD). The solubilities of the binary phases in the ternary system were measured. According to the experimental results in this work and related literature, the Al-Ni-Sc ternary system has been optimized by means of the CALPHAD (CALculation of PHAse Diagrams) method. Isothermal sections at 1273, 1173, 873 and 673 K were reproduced. The calculated thermodynamic and phase equilibria data for the ternary system agree well with the experimental data. This work can be used as a basis for the multi-component thermodynamic database of Al-based alloys.
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页数：12
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