Microstructure and Magnetic Properties of Nd8.5Fe77.1B6.4Co4Zr3Nb0.5V0.5 Ribbons

被引：0
|
作者：
王占勇 [1 ]
刘文庆 [2 ]
周邦新 [3 ]
倪健森 [3 ]
徐晖 [3 ]
王现英 [1 ]
金鸣林 [1 ]
机构：
[1] Department of Materials Engineering, Shanghai Institute of Technology  2. Instrumental Analysis and Research Center, Shanghai University  3. Ins
来源：
JournalofRareEarths | 2007年 / S1期
关键词：
Nd2Fe14B/α-Fe; nanocomposite magnet; 3DAP; magnetic properties; rare earths;
D O I：
暂无
中图分类号：
TM273 [永磁材料、永久磁铁];
学科分类号：
摘要：
Microstructure and magnetic properties of Nd8.5Fe77.1B6.4Co4Zr3Nb0.5V0.5 nanocomposite ribbons were investigated. A fine and uniform grain with 30 nm in average size was achieved for the ribbons annealed at 710 ℃ for 4 min, which enhanced the interaction coupling between grains and improved the magnetic properties. The results of three-dimensional atom probe (3DAP) revealed that V-enriched intergranular phase existed at the grain boundaries, suppressing the grain growth during crystallization process. The remanence and coercivity for annealed ribbons reached to 80 emu·g-1 and 567 kA·m-1, respectively.
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页码：218 / 220
页数：3
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