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Coercivity enhancement in Nd-Fe-B magnets via Sn-doped DyF3 grain boundary diffusion

Grain boundary diffusion using rare-earth (RE) alloys or compounds is now a popular technique in improving the hard magnet properties of sintered Nd-Fe-B magnets. While DyF3 serves as a critical industrial diffusion source for coercivity enhancement, its high decomposition temperature and poor penet...

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Principais autores: Shilin Li, Youhong Peng, Yaodong Wu, Yuqing Xing, Yu Zhang, Tao Liu, Sitian Cai, Qiong Wu, Ming Yue, Haifeng Du, Jin Tang
Formato: Artigo
Idioma:Inglês
Publicado em: Elsevier 2026-05-01
coleção:Materials & Design
Assuntos:
magneticNd-Fe-B sintered magnets
DyF3 diffusion
Core-shell structures
Sn enhancement
Acesso em linha:http://www.sciencedirect.com/science/article/pii/S0264127526004417
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