Abstract
In this study, the relationship between Dy2O3 and MoS2 on magnetic performance and microstructure in Nd-Fe-B sintered magnets was investigated. Compared with the Dy2O3 doped magnets, the coercivity of the Dy2O3/MoS2 co-doped magnets increased with the increasing of MoS2 content. A comprehensive magnetic performance was achieved in the 2 wt% Dy2O3/0.5 wt% MoS2 co-doped magnets. The coercivity increased from 1563.2 kA/m to 1710 kA/m while there was no obvious decrease in the remanence and maximum energy product. Furthermore, the average grain size decreased from 8 μm to 6.7 μm. In the co-doped magnets, the distribution of Dy element was relatively uniform because Dy atoms were found to avoid the Nd2O2S phase. Besides, the Mo atoms were likely diffused into the Nd2Fe14B phase instead of the Nd-rich phase.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
