journal article·2025-09

Roles of Fe and Cu migrations in oxidation mechanisms and magnetic loss of 2:17-type Sm-Co-Fe-Cu-Zr permanent magnets

Kangjie Chai, Yong Zhang, Wei Zhang, Qiankun Yang, Weisong Wu, Lijiang Ye, Dingshun Yan, Zhiming Li

Acta Materialia· Volume 296
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OpenAlex topics: Magnetic Properties of Alloys · Magnetic and transport properties of perovskites and related materials · Hydrogen Storage and Materials

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References (57)

Show source-provided references
1. Magnetic materials and devices for the 21st century: stronger, lighter, and more energy efficient10.1002/adma.201002180 ↗
2. Recent developments in hard magnetic bulk materials
3. High-speed electrical machines: technologies, trends, and developments10.1109/TIE.2013.2286777 ↗
4. Application of high temperature magnetic materials10.1109/20.908805 ↗
5. Magnetoelectric tuning of pinning-type permanent magnets through atomic-scale engineering of grain boundaries10.1002/adma.202006853 ↗
6. Perspective and prospects for rare earth permanent magnets10.1016/j.eng.2018.11.034 ↗
7. Atomic scale understanding of the defects process in concurrent recrystallization and precipitation of Sm-Co-Fe-Cu-Zr alloys10.1016/j.actamat.2020.10.067 ↗
8. Atomic structure and domain wall pinning in samarium-cobalt-based permanent magnets10.1038/s41467-017-00059-9 ↗
9. Correlation of microchemistry of cell boundary phase and interface structure to the coercivity of Sm(Co0.784Fe0.100Cu0.088Zr0.028)7.19 sintered magnets10.1016/j.actamat.2016.12.050 ↗
10. Identification of the cell boundary phase in the isothermally aged commercial Sm(Co0.725Fe0.1Cu0.12Zr0.04)7.4 sintered magnet10.1016/j.scriptamat.2005.12.009 ↗
11. The microstructure of sintered Sm(Co0.72Fe0.20Cu0.055Zr0.025)7.5 permanent magnet studied by atom probe10.1016/j.actamat.2003.10.015 ↗
12. Nanoscale short-range ordering induced cellular structure and microchemistry evolution in Sm2Co17-type magnets10.1016/j.actamat.2020.09.057 ↗
13. The evolution of phase constitution and microstructure in iron-rich 2:17-type Sm-Co magnets with high magnetic performance10.1038/s41598-018-27487-x ↗
14. Correlation between Fe content and z value in Sm(CobalFexCu0.06Zr0.025)z permanent magnets10.1016/j.jmmm.2018.11.008 ↗
15. Attractive-domain-wall-pinning controlled Sm-Co magnets overcome the coercivity-remanence trade-off10.1016/j.actamat.2018.10.046 ↗
16. Direct evidence for Cu concentration variation and its correlation to coercivity in Sm(Co0.74Fe0.1Cu0.12Zr.04)7.4 ribbons10.1016/j.scriptamat.2009.01.006 ↗
17. Influence mechanism of Fe content on the magnetic properties of Sm2Co17-type sintered magnets: microstructure and Microchemistry10.1016/j.jallcom.2019.152908 ↗
18. Initial Irreversible Losses and Enhanced High-Temperature Performance of Rare-Earth Permanent Magnets10.1002/adfm.201900690 ↗
19. Effect of temperature and vacuum on the magnetic properties and compositional changes in high temperature Sm-Co magnets10.1063/1.3072764 ↗
20. Surface reaction and sm depletion at 550 °C for high temperature Sm-TM magnets10.1109/20.951225 ↗
21. Heating/cooling-induced formation, dissociation and phase separation of CuFe2O4 during thermal oxidation of Sm2(Co, Fe, Cu, Zr)17 permanent magnet10.1016/j.corsci.2023.111774 ↗
22. Temperature-induced atypical oxidation in Sm2(Co, Fe, Cu, Zr)17 alloy systems: dependency on oxygen-induced elemental migration10.1016/j.corsci.2023.111518 ↗
23. Investigation on microstructure and magnetic properties of Sm2Co17 magnets aged at high temperature10.1063/1.3563084 ↗
24. Prediction of the oxidation behaviour of Sm–Co-based magnets10.1016/j.jmmm.2004.11.408 ↗
25. Anomalous high temperature oxidation of Sm2(Fe,Co,Cu,Zr)17 particles10.1016/j.corsci.2012.08.049 ↗
26. Internal oxidation of Sm(CobalFe0.22Cu0.08Zr0.02)7.5 alloy at 700 °C10.1016/j.corsci.2013.01.038 ↗
27. Corrosion Behavior of Sm–Co-Based Permanent Magnets in Oxidizing Environments10.1109/TMAG.2004.829195 ↗
28. High temperature oxidation and its induced coercivity loss of a 2:17 type SmCo-based magnet
29. The oxidation kinetics of SmCo alloys10.1016/j.jallcom.2008.05.083 ↗
30. The oxidation morphology of SmCo alloys10.1016/j.jallcom.2009.07.115 ↗
31. The mechanism of high temperature oxidation of a SmCo-based magnetic alloy10.1016/j.corsci.2012.04.028 ↗
32. Effect of a thin Al2O3 film on high temperature oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)7.510.1016/j.corsci.2014.07.028 ↗
33. High-temperature oxidation resistance and magnetic properties of Si-doped Sm2Co17-type magnets at 500 °C10.1016/j.jmmm.2012.02.122 ↗
34. Temperature stability of SmCo (2:17) magnets modified by Ni-Cr two-layer coating10.1007/s12598-018-1076-0 ↗
35. Interaction mechanism between Sm-Co magnets and glass coatings doped with mixed adherent oxides10.1016/j.ceramint.2019.06.041 ↗
36. Silicide coating stabilized high temperature performance and oxidation resistance mechanism of 2:17-type SmCo permanent magnets10.1016/j.corsci.2020.108752 ↗
37. Atomic-scale oxidation of a Sm2Co17-type magnet10.1016/j.actamat.2021.117343 ↗
38. Decomposition behavior in the early-stage oxidation of Sm2Co17-type magnets10.1016/j.scriptamat.2021.113911 ↗
39. Atomic-scale structure clarification of the planar Z phase and its influence on the magnetic properties in Sm(CoFeCuZr) permanent magnets10.1016/j.actamat.2022.117846 ↗
40. Effect of interfacial stress on microchemistry and coercivity in 2:17-type SmCo sintered magnets10.1016/j.actamat.2023.119580 ↗
41. Microstructure and Phase Evolution Mechanism in Hot-pressed and Hot-deformed Nd-Fe-B Magnets with Nd85Cu15 Addition10.1016/j.actamat.2020.116493 ↗
42. Microstructure of a Dy-free Nd-Fe-B sintered magnet with 2 T coercivity10.1016/j.actamat.2018.06.037 ↗
43. In-situ high-energy X-ray diffraction study of the early-stage decomposition in 2:17-type Sm-Co-based permanent magnets10.1016/j.actamat.2022.118580 ↗
44. Orientation dependent grain boundary precipitate distribution and the weakened pinning effects on domain walls in sintered Sm2Co17-type magnet
45. Microtwin evolution and grain boundary phase formation in iron-rich 2:17-type Sm-Co magnets: the effect of iron content10.1016/j.actamat.2023.119363 ↗
46. Effect of (Sm,Pr)2Co7 phase on magnetic properties of high-performance (Sm,Pr)Co5 magnet based on EBSD analysis and magnetic domain observation10.1016/j.matchar.2021.111478 ↗
47. Influence of exchange coupling interaction on coercivity in 2:17-type SmCo-based high temperature permanent magnets10.1016/j.scriptamat.2022.115003 ↗
48. Evolution and effects of surface degradation layer of Sm2Co17 magnets at high temperatures10.1063/1.4862857 ↗
49. The effect of grain size on the internal oxidation of Sm2Co17-type permanent magnets10.1016/j.jmmm.2022.169219 ↗
50. Thermal stability of surface modified Sm2Co17-type high temperature magnets10.1016/j.jmmm.2012.11.013 ↗
51. Oxidation behavior of CoCrFeMnNi high entropy alloy after plastic deformation10.1016/j.corsci.2019.108285 ↗
52. Insights into the physical chemistry of materials from advances in HAADF-STEM10.1039/C4CP04232H ↗
53. Unveiling the anomalous atomic stacking and formation mechanism of 1:3R Z-plates in Sm2Co17-type magnets10.1016/j.jallcom.2022.167890 ↗
54. New insights into the effect of Al on the selective oxidation of advanced high-strength steels prior to hot-dip galvanizing10.1016/j.actamat.2024.119651 ↗
55. Initial oxidation of Ni-based superalloy and its dynamic microscopic mechanisms: the interface junction initiated outwards oxidation10.1016/j.actamat.2021.116991 ↗
56. Chapter 3.3 - Ellingham Diagram
57. Chemical Reaction and Equilibrium Software with Thermochemical Database and Simulation Module