Variations of phase constitution and magnetic properties with Ce content in Ce-Fe-B permanent magnets

被引：50
|
作者：
Li, Zhu-bai [1 ,2 ]
Zhang, Ming [2 ]
Shen, Bao-gen [2 ]
Hu, Feng-xia [2 ]
Sun, Ji-rong [2 ]
机构：
[1] Inner Mongolia Univ Sci & Technol, Key Lab Integrated Exploitat Bayan Obo Multimet R, Baotou 014010, Peoples R China
[2] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 172卷
基金：
中国国家自然科学基金;
关键词：
Magnetic materials; Ce2Fe14B; X-ray techniques; Magnetic properties; ND;
D O I：
10.1016/j.matlet.2016.02.149
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic materials of Ce12+xFe82-xB6 (x=0, 0.5, 1, 1.5, 2, and 3) containing mainly Ce2Fe14B phase were prepared by melt spinning method. The coercivity is the lowest in Ce12Fe81B6 ribbons. With the increase of Ce content, the coercivity increases monotonically, and X-ray techniques show that the amount of minor phase Fe3B decreases but the amount of CeFe2 increases. Magnetization reversal and magnetic properties are dependent on the amount of minor phases. The squareness of hysteresis loop is the best in Ce13.5Fe80.5B6 ribbons with energy product of 6.80 MGOe. Optimizing the phase constitution is necessary to improve magnetic properties in Ce-based alloys for utilizing the rare earth resource in a balanced manner. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：102 / 104
页数：3
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