Realization of large coercivity in MnAl permanent-magnet alloys by introducing nanoprecipitates

[Display omitted] •Nanoprecipitates are formed through combining Tb dopant and rapid solidification.•The evolution of nanoprecipitates in Tb-doped MnAl ribbons are clarified.•Improved coercivity is realized due to the pinning effect of nanoparticles. Acquisition of large coercivity remains as a key...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2019-08, Vol.483, p.164-168
Hauptverfasser:	Zhao, Shuang, Wu, Yuye, Wang, Jingmin, Jia, Yuxiao, Zhang, Tianli, Zhang, Tianle, Jiang, Chengbao
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Coercivity Domain walls Magnetic domains Magnetic saturation Magnetism Melt spinning MnAl permanent-magnet alloys Nanoprecipitates Permanent magnets Surfactant-assistant high energy ball milling
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