Magnetization reversal mechanism for core-shell grains in GBD Nd-Fe-B sintered magnets based on in-situ domain observation

Yuqing Li,Dan Wu,Mingkun Wang,Zhanjia Wang,Weiqiang Liu,Yuan Teng,Ming Yue,Hongguo Zhang,Weixing Xia

Journal of Alloys and Compounds（2022）

引用 11|浏览8

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摘要

•Nucleation of core-shell grain in the GBD Nd-Fe-B magnet is directly observed.•Nucleation starts at core region, then outermost of shell for a core-shell grain.•The simulated result supports the possibility of multi-step nucleation process.

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关键词

Magnetization nucleation,Magnetization reversal mechanism,Permanent magnet material,Nd-Fe-B sintered magnet,Core-shell structural grain

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