Optimization of microstructure for HRE-free Nd-Fe-B magnets with improved properties

Optimization of microstructure for HRE-free Nd-Fe-B magnets with improved properties

In this work, we successfully prepared heavy rare earth (HRE)-free Nd-Fe-B sintered magnets with improved coercivity (Hcj) and remanence (Br) by precisely controlling the grain size and optimizing the grain boundaries (GBs). Employing a low-temperature-sintering process, we achieved varying grain si...

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Bibliographic Details
Main Authors: Yuxin Zhao, Rui Han, Meng Zheng, Xun Duan, Xiaoning Shi, Xianjun Hu, Hongsheng Chen, Dong Zhou, Shengzhi Dong, Wei Li
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Journal of Materials Research and Technology
Subjects:
HRE-free magnets
Refined grain size
Coercivity
The orientation of magnets
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785425001747
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