Experimental investigation and thermodynamic assessment of the Al-Ca-Y ternary system

被引：1

作者：

Zhang, Ligang ^{[1
]}

Song, Qian ^{[1
]}

Jiang, Yurong ^{[1
]}

Zhao, Fenyan ^{[1
]}

Liu, Libin ^{[1
,2
]}

机构：

[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Minist Educ, Key Lab Nonferrous Met Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2022年 / 113卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Al-Ca-Y system; CALPHAD; Phase diagram; Thermodynamic calculation; 1ST-PRINCIPLES ENERGETICS; THERMAL-STABILITY; PHASE-EQUILIBRIA; METALLIC-GLASS; ALLOY;

D O I：

10.1515/ijmr-2021-8488

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The experimental investigation and thermodynamic assessment of the Al-Ca-Y ternary system were carried out in this work. The isothermal section of the Al-Ca-Y ternary system at 673 K and 873 K was determined by using equilibrated alloys, combined with scanning electron microscopy, electron probe micro-analysis and powder X-ray diffractometry. Phase transition temperatures were measured by differential scanning calorimetry analysis. A certain range of solubility was detected between Al2Ca and Al2Y in this work, the maximum solid solubility of Y in Al2Ca was 11.9 at.% and that of Ca in Al2Y was 12.6 at.%. According to the thermodynamic data of binary systems in the literature and the ternary experimental data from this work and the literature, the Al-Ca-Y ternary system was optimized and a set of self-consistent thermodynamic parameters was obtained. Calculated phase equilibria were consistent with the experimental results.

引用

页码：476 / 488

页数：13

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