journal article·2025-11

Grain boundary diffusion effects of heavy-rare-earth-free alloys with multi-elements in sintered Nd-Fe-B magnets

Shuai Cao, Chenglong Li, Zhi Jia, Zhiwei Xiong, Shuangyu Zheng, Guangfei Ding, Xiaodong Fan, Shuai Guo, Bo Zheng, Renjie Chen, Aru Yan

Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: Magnetic Properties of Alloys · Magnetic properties of thin films · Rare-earth and actinide compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (30)

Show source-provided references
1. The current and future status of rare earth permanent magnets10.1016/j.scriptamat.2017.11.010 ↗
2. Strategy for high-coercivity Nd-Fe-B magnets10.1016/j.scriptamat.2012.06.038 ↗
3. Magnetization and magnetic anisotropy of R2Fe14B measured on single crystals10.1063/1.336611 ↗
4. Significant progress of grain boundary diffusion process for cost-effective rare earth permanent magnets: a review10.1016/j.matdes.2021.110004 ↗
5. High-coercivity Nd-Fe-B magnets obtained with the electrophoretic deposition of submicron TbF3 followed by the grain-boundary diffusion process10.1016/j.actamat.2016.06.003 ↗
6. Temperature-dependent microstructure and magnetic properties evolution in the sintered Nd-Fe-B magnets with Pr-Al-cu diffusion10.1016/j.jallcom.2022.166725 ↗
7. Coercivity enhancement in Dy-free Nd-Fe-B sintered magnets by using Pr-cu alloy10.1063/1.4879898 ↗
8. Coercivity enhancement of Nd-Fe-B sintered magnets with intergranular adding (Pr, Dy, cu)-Hx powders10.1016/j.jmmm.2015.09.071 ↗
9. Progress on modification of microstructures and magnetic properties of Nd-Fe-B magnets by the grain boundary diffusion engineering10.1016/j.jmmm.2020.167278 ↗
10. Formation mechanism of Tb-rich shell in grain boundary diffusion processed Nd-Fe-B sintered magnets10.1016/j.scriptamat.2019.12.002 ↗
11. Magnetization reversal mechanism for core-shell grains in GBD Nd-Fe-B sintered magnets based on in-situ domain observation10.1016/j.jallcom.2022.164414 ↗
12. Prospect for HRE-free high coercivity Nd-Fe-B permanent magnets10.1016/j.scriptamat.2018.03.012 ↗
13. Coercivity enhancement of a Nd-Fe-B sintered magnet by diffusion of Nd70Cu30 alloy under pressure10.1016/j.scriptamat.2015.05.015 ↗
14. Significantly enhancing the coercivity of NdFeB magnets by ternary Pr-Al-cu alloys diffusion and understanding the elements diffusion behavior10.1016/j.jmmm.2018.09.080 ↗
15. High coercivity Nd-Fe-B magnet with low Tb concentration by combined diffusion10.1016/j.jmmm.2020.167701 ↗
16. Boundary structure modification and magnetic properties enhancement of Nd-Fe-B sintered magnets by diffusing (PrDy)-cu alloy10.1016/j.scriptamat.2016.02.019 ↗
17. Coercivity enhancement of a Ce-based permanent magnet by grain boundary diffusion with Re70Cu30 (re: Nd/Dy) eutectic alloys10.1016/j.jallcom.2019.152965 ↗
18. Formation of non-ferromagnetic grain boundary phase in a Ga-doped Nd-rich Nd-Fe-B sintered magnet10.1016/j.scriptamat.2015.10.042 ↗
19. Effect of PrFe alloy grain boundary diffusion on coercivity and microstructure of sintered Nd-Fe-B magnets10.1016/j.jmmm.2022.169324 ↗
20. Coercivity enhancement of Nd-Fe-B hot-deformed magnets by the eutectic grain boundary diffusion process using Nd-Ga-cu and Nd-Fe-Ga-cu alloys
21. Coercivity enhancement of the sintered Nd-Ce-Fe-B magnet via grain boundary diffusion with Tb70Fe30 alloy10.1016/j.jmmm.2022.169034 ↗
22. Influence of Pr-Al-co alloy diffusion source on magnetic properties and microstructure of sintered Nd-Fe-B magnets processed by grain boundary diffusion10.1016/j.jre.2021.11.004 ↗
23. Magnetic performance and microstructure of NdFeB sintered magnet by diffusing Tb10Pr90-x(Cu,Al,Ga)x alloys10.1016/j.jallcom.2022.167888 ↗
24. Enhancing the grain boundary diffusion efficiency of Tb for Nd-Fe-B magnets using multi-element composite diffusion source10.1016/j.jallcom.2024.174003 ↗
25. Magnetic performances and diffusion shell-structures of Nd-Fe-B sintered magnets treated with grain boundary diffusion by low Dy-content multi-component alloys10.1016/j.jallcom.2025.178487 ↗
26. Effect of oxygen content of Nd-Fe-B sintered magnet on grain boundary diffusion process of DyH2 dip-coating10.1063/1.4936172 ↗
27. Impact of TbF3 diffusion on coercivity and microstructure in sintered Nd-Fe-B magnets by electrophoretic deposition10.1016/j.scriptamat.2016.01.034 ↗
28. High-efficiency utilization of Tb in enhancing the coercivity of Nd-Fe-B magnets by multicomponent Tb70-xPrxCu10Al10Zn10 (x = 0-30) film diffusion10.1016/j.jallcom.2022.163619 ↗
29. Structure and chemical compositions of the grain boundary phase in Nd-Fe-B sintered magnets10.1016/j.actamat.2016.05.035 ↗
30. Clarifying the dominated coercivity enhancement mechanism of grain boundary diffused Nd-Fe-B magnets by Pr-based alloys10.1016/j.jmmm.2023.171593 ↗