Correlation between the magnetic properties and phase constitution of FeCoNi(CuAl)0.8Gax (0 ≤ x ≤ 0.08) high-entropy alloys

被引：59
|
作者：
Li, Zhong [1 ]
Xu, Hui [1 ]
Gu, Yong [1 ,2 ]
Pan, Minxiang [1 ]
Yu, Linye [1 ]
Tan, Xiaohua [1 ]
Hou, Xueling [1 ]
机构：
[1] Shanghai Univ, Inst Mat Sci, 149 Yanchang Rd, Shanghai 200072, Peoples R China
[2] Hangzhou Normal Univ, Qianjiang Coll, Hangzhou 310036, Zhejiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 746卷
基金：
中国国家自然科学基金;
关键词：
High-entropy alloy; Ga element; Phase constitution; Magnetic property; MECHANICAL-PROPERTIES; MICROSTRUCTURE; BEHAVIOR; EVOLUTION; COATINGS; ELEMENTS; AL;
D O I：
10.1016/j.jallcom.2018.02.189
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 as-cast FeCoNi(CuAl)(0.8)Ga-x (0 <= x <= 0.08) high-entropy alloys (HEAs) were produced by vacuum arc melting. The correlation between the magnetic properties and phase constitution of the HEAs was thoroughly investigated. The results reveal that all samples contain BCC plus FCC duplex phases and the addition of Ga can promote the formation of BCC phases. Energy dispersive spectroscopy (EDS) results revealed that Cu and Ga elements are enriched in the BCC phases and they are more seriously in the phase boundary regions. Furthermore, the magnetic properties are closely related to the phase constitution of the as-cast FeCoNi(CuAl)(0.8)Ga-x (0 <= x <= 0.08) HEAs. The values of saturated magnetization (M-s), maximum magnetic flux density (B-m), remanence (B-r), coercivity (H-c) and hysteresis losses (P-u) increase with the increase of the volume fraction of BCC phases, while the values of initial permeability (mu(i)) and maximum permeability (mu(max)) increase with the increase of the volume fraction of FCC phases. In addition, the mechanical property of FeCoNi(CuAl)(0.8)Ga-x (0 <= x <= 0.08) HEAs was also discussed in the work. (c) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：285 / 291
页数：7
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