Investigation of the wettability and the interface feature of the melted Nd70Cu30 alloy on the surface of a sintered Nd Fe B magnet

被引：13
作者：
Chen, Fugang [1 ]
Jin, Yunxue [1 ]
Cheng, Ye [1 ]
Zhang, Lanting [2 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
来源：
SCRIPTA MATERIALIA | 2018年 / 157卷
基金：
中国国家自然科学基金;
关键词：
Permanent magnet; Nd-Fe-B; Nd70Cu30; interface wetting; GRAIN-BOUNDARY; PERMANENT-MAGNETS; RICH PHASE; COERCIVITY; DEPENDENCE; CU; MICROSTRUCTURE; ENHANCEMENT; PERFORMANCE; IMPROVEMENT;
D O I：
10.1016/j.scriptamat.2018.08.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have studied the wettability and the interface feature of the melted Nd70Cu30 (at.%) alloy on the ab-plane (parallel to the c-axis) and the c-plane (perpendicular to the c-axis) of a sintered Nd Fe B magnet. The wettability of the melted Nd70Cu30 alloy on the ab-plane was much better than that on the c-plane. A zig-zag shaped interface was appeared on the ab-plane while a relatively smooth interface was observed on the c-plane. Shuttle shaped Fe rich phases were generated near the interfaces. The anisotropic distribution of the grain boundary phase in Nd Fe B magnets was discussed based on the experimental results. (C) 2018 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：135 / 137
页数：3
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