Coercivity and microstructure of sintered Nd–Fe–B magnets diffused with Pr–Co, Pr–Al, and Pr–Co–Al alloys

The commercial 42M Nd–Fe–B magnet was treated by grain boundary diffusion (GBD) with Pr 70 Co 30 (PC), Pr 70 Al 30 (PA) and Pr 70 Co 15 Al 15 (PCA) alloys, respectively. The mechanism of coercivity enhancement in the GBD magnets was investigated. The coercivity was enhanced from 1.63 T to 2.15 T in...

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Veröffentlicht in:Chinese physics B 2021-01, Vol.30 (2), p.27503-572
Hauptverfasser: Jin, Lei, Jin, Zhe-Huan, Zhu, Jin-Hao, Ding, Guang-Fei, Zheng, Bo, Guo, Shuai, Chen, Ren-Jie, Yan, A-Ru, Liu, Xin-Cai
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Sprache:eng
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