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Experimental Investigation of Phase Equilibria in the Y-Co-Cu Ternary System
被引：0
作者：
Yang, S. Y.
[1
,2
]
Liu, X.
[1
,2
]
Yao, Q. R.
[1
,2
,3
]
Wang, J.
[1
,2
,3
]
Rao, G. H.
[1
,2
,3
]
Zhou, H. Y.
[1
,2
,3
]
机构：
[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
[2] Guilin Univ Elect Technol, Guangxi Collaborat Innovat Ctr Struct & Property N, Guilin 541004, Peoples R China
[3] Guilin Univ Elect Technol, Engn Res Ctr Elect Informat Mat & Devices, Minist Educ, Guilin 541004, Peoples R China
基金：
中国国家自然科学基金;
关键词：
isothermal sections;
phase equilibria;
phase structure;
Y-Co-Cu;
MAGNETIC-PROPERTIES;
YCO5;
MICROSTRUCTURE;
ANISOTROPY;
SMCO5;
PR;
D O I：
10.1007/s11669-024-01170-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ;
081704 ;
摘要：
The phase equilibria of the Y-Co-Cu ternary system were investigated experimentally by scanning electron microscopy with energy dispersive spectroscopy and X-ray diffraction. The experimental results did not indicate any ternary intermetallic compounds and revealed that the YCo5 and YCu6 binary intermetallic compounds form the continuous solid solution phase Y(Co, Cu)5 because of having the same space groups. According to the measured phase compositions at 873 K, the solid solubilities of Co in fcc(Cu), YCu4, Y2Cu7 and YCu2 are 8.6, 1.7, 44.0 and 8.6 at.%, respectively, while those of Cu in fcc(Co), Y2Co17, Y2Co7, YCo3, YCo2, Y2Co3, Y6Co7, Y4Co3, Y8Co5 and Y3Co were determined to be 15.8, 6.4, 8.1, 13.5, 7.9, 1.2, 1.4, 3.9, 7.6 and 10.6 at.%, respectively. Furthermore, at 1073 K the solid solubilities of Co in fcc(Cu), YCu4, Y2Cu7 and YCu2 were measured to be 3.9, 2.5, 40.0 and 10.8 at.%, respectively, while those of Cu in fcc(Co), Y2Co17, Y2Co7, YCo3, YCo2, Y2Co3 and YCo were determined to be 13.6, 9.4, 7.4, 13.7, 10.3, 2.3 and 31.4 at.%, respectively. Two isothermal sections of the Y-Co-Cu ternary system at 1073 K and 873 K were established finally.
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页码：133 / 150
页数：18
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