Experimental Investigation on Phase Equilibria of Al-Fe-Y System at 773 K

被引：0
作者：
Hui Feng
Min Zhang
Hongmei Chen
Jianlie Liang
Xiaoma Tao
Yifang Ouyang
Yong Du
机构：
[1] Guangxi University,College of Physical Science and Technology
[2] Guangxi University for Nationalities,Institute of Materials Science, College of Science
[3] Central South University,State Key Laboratory of Powder Metallurgy
来源：
Journal of Phase Equilibria and Diffusion | 2014年 / 35卷
关键词：
Al-Fe-Y; phase diagram; rare earth;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The phase diagram determination of Al-Fe-Y is helpful for development of magnetic and amorphous materials. The entire isothermal section of Al-Fe-Y at 773 K has been determined by means of x-ray powder diffraction, scanning electron microscopy with energy dispersive analysis and optical microscopy. The existences of 14 binary compounds in the Al-Fe, Al-Y and Fe-Y binary systems were confirmed. The binary phases Al2Y, Fe2Y, Al2Y3, Fe23Y6 and Fe17Y2 in this study present appreciable ternary solubility: Fe17−xAlxY2 (0 ≤ x ≤ 8.5), Y(Fe1−xAlx)2 (0 ≤ x ≤ 1), Al2(FexY1−x)3 (0 ≤ x ≤ 0.3), and (Fe,Al)23Y6 with Al up to 22 at.%. The ternary compounds: τ1-Al10Fe2Y, τ2-Al8−xFe4+xY (0 ≤ x ≤ 2) were confirmed. The isothermal section consists of 19 single-phase regions, 33 two-phase regions and 17 three-phase regions.
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页码：256 / 261
页数：5
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