Effect of nano-Cu addition on the diffusion behaviors of Dy in hot-deformed Nd-Fe-B magnets

[1]  A. Yan,et al.  Significant enhancement in the coercivity and thermal stability of bulk hot-deformed Nd-Fe-B magnets by intergranular addition of Nd-Dy/Tb-Cu-Ga alloys , 2022, Acta Materialia.

[2]  S. Kobe,et al.  Significant coercivity enhancement of hot-deformed bulk magnets by two-step diffusion process using a minimal amount of Dy , 2021 .

[3]  R. Ramanujan,et al.  Significant progress of grain boundary diffusion process for cost-effective rare earth permanent magnets: A review , 2021 .

[4]  Y. J. Wong,et al.  Coercivity enhancement of hot-deformed NdFeB magnet by doping R80Al20 (R = La, Ce, Dy, Tb) alloy powders , 2021 .

[5]  Lanting Zhang,et al.  Microstructure and Phase Evolution Mechanism in Hot-pressed and Hot-deformed Nd-Fe-B Magnets with Nd85Cu15 Addition , 2021 .

[6]  H. Sepehri-Amin,et al.  Improved coercivity and squareness in bulk hot-deformed Nd–Fe–B magnets by two-step eutectic grain boundary diffusion process , 2021 .

[7]  Shuai Guo,et al.  Microstructure of core-shell NdY-Fe-B sintered magnets with a high coercivity and excellent thermal stability , 2020 .

[8]  X. Zhong,et al.  Magnetic properties and microstructure evolution of in-situ Tb-Cu diffusion treated hot-deformed Nd-Fe-B magnets , 2020 .

[9]  Jiajie Li,et al.  Microstructure evolution and coercivity enhancement in Pr50Dy20Cu15Ga15-doped hot-deformed Nd-Fe-B magnets , 2020, Journal of Magnetism and Magnetic Materials.

[10]  J. M. D. Coey,et al.  Perspective and Prospects for Rare Earth Permanent Magnets , 2020, Engineering.

[11]  Lanting Zhang,et al.  Improvement of Thermal Stability in Hot-Deformed Nd-Fe-B Magnets by Grain Refinement , 2019, Scripta Materialia.

[12]  Y. J. Wong,et al.  Coercivity enhancement of hot-deformed NdFeB magnets by doping R80Ga20 (R = Pr, Dy, Tb) alloys , 2019, Journal of Magnetism and Magnetic Materials.

[13]  T. Song,et al.  Magnetic Properties Improvement of Hot-Deformed Nd-Fe-B Permanent Magnets by Pr-Cu Eutectic Pre-Diffusion Process , 2019, Acta Materialia.

[14]  G. Chen,et al.  Modification of boundary structure and magnetic properties of Nd-Fe-B sintered magnets by diffusing Al/Cu co-added alloy ribbons , 2019, Scripta Materialia.

[15]  H. Sepehri-Amin,et al.  Coercivity and its thermal stability of Nd Fe B hot-deformed magnets enhanced by the eutectic grain boundary diffusion process , 2018, Acta Materialia.

[16]  H. Sepehri-Amin,et al.  Prospect for HRE-free high coercivity Nd-Fe-B permanent magnets , 2018, Scripta Materialia.

[17]  Shuai Guo,et al.  Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets , 2018 .

[18]  H. Chang,et al.  Coercivity enhancement in hot deformed Nd 2 Fe 14 B-type magnets by doping low-melting RCu alloys (R = Nd, Dy, Nd + Dy) , 2017 .

[19]  H. Chang,et al.  Comparison on the Coercivity Enhancement of Hot-Deformed Nd2Fe14B-Type Magnets by Doping R70Cu30 (R = Nd, Dy, and Tb) Alloy Powders , 2017, IEEE Transactions on Magnetics.

[20]  H. Sepehri-Amin,et al.  Coercivity enhancement of hot-deformed Nd-Fe-B magnets by the eutectic grain boundary diffusion process using Nd62Dy20Al18 alloy , 2017 .

[21]  Lanting Zhang,et al.  Improvement of magnetic performance of hot-deformed Nd-Fe-B magnets by secondary deformation process after Nd-Cu eutectic diffusion , 2016 .

[22]  C. Kübel,et al.  Grain boundary diffusion in nanocrystalline Nd-Fe-B permanent magnets with low-melting eutectics , 2016 .

[23]  H. Sepehri-Amin,et al.  Coercivity Enhancement of Hot-deformed Nd-Fe-B Magnets by the Eutectic Grain Boundary Diffusion Process , 2016 .

[24]  G. Yan,et al.  Impact of TbF3 diffusion on coercivity and microstructure in sintered Nd–Fe–B magnets by electrophoretic deposition , 2016 .

[25]  H. Sepehri-Amin,et al.  Microstructure and temperature dependent of coercivity of hot-deformed Nd–Fe–B magnets diffusion processed with Pr–Cu alloy , 2015 .

[26]  H. Kwon,et al.  Decomposition of DyF3 and its effect on magnetic performance of DyF3-doped Nd-Fe-B-type hot-deformed magnet , 2015 .

[27]  Jun Liu,et al.  Grain size dependence of coercivity of hot-deformed Nd–Fe–B anisotropic magnets , 2015 .

[28]  Jinzhi Wang,et al.  Impact of Nd–Cu diffusion on microstructure and coercivity in hot-pressed and die-upset nanocomposite magnets , 2014 .

[29]  L. Schultz,et al.  Diffusion processes in hot-deformed Nd–Fe–B magnets with DyF3 additions , 2014 .

[30]  M. W. Lee,et al.  Dependence of magnetic, phase-transformation and microstructural characteristics on the Cu content of Nd–Fe–B sintered magnet , 2014 .

[31]  Jun Liu,et al.  Enhancement of coercivity of hot-deformed Nd–Fe–B anisotropic magnet by low-temperature grain boundary diffusion of Nd60Dy20Cu20 eutectic alloy , 2013 .

[32]  Masao Yano,et al.  High-coercivity ultrafine-grained anisotropic Nd–Fe–B magnets processed by hot deformation and the Nd–Cu grain boundary diffusion process , 2013 .

[33]  A. Yan,et al.  Mechanism Analysis of Coercivity Enhancement of Hot Deformed Nd-Fe-B Magnets by ${\rm DyF}_{3}$ Diffusion , 2013, IEEE Transactions on Magnetics.

[34]  H. Sepehri-Amin,et al.  Strategy for high-coercivity Nd–Fe–B magnets , 2012 .

[35]  Qiongzhen Liu,et al.  Effect of DyF3 additions on the coercivity and grain boundary structure in sintered Nd–Fe–B magnets , 2011 .

[36]  H. Sepehri-Amin,et al.  Distribution of Dy in high-coercivity (Nd,Dy)–Fe–B sintered magnet , 2011 .

[37]  Christina H. Chen,et al.  Magnetic Materials and Devices for the 21st Century: Stronger, Lighter, and More Energy Efficient , 2011, Advanced materials.

[38]  W. F. Li,et al.  The role of Cu addition in the coercivity enhancement of sintered Nd-Fe-B permanent magnets , 2009 .

[39]  K. Rao,et al.  Effect of Al, Cu, Ga, and Nb additions on the magnetic properties and microstructural features of sintered NdFeB , 2002 .

[40]  Yimei Zhu,et al.  Ferromagnetic grain boundary signature in die-upset Re-Fe-B magnets , 1995 .

[41]  Satoshi Hirosawa,et al.  Nd–Fe–B Permanent Magnet Materials , 1987 .

[42]  M. Sagawa,et al.  The dependence of coercivity on anisotropy field in sintered R-Fe-B permanent magnets , 1986 .

[43]  Satoshi Hirosawa,et al.  Magnetization and magnetic anisotropy of R2Fe14B measured on single crystals , 1986 .

[44]  Robert W. Lee,et al.  Hot‐pressed neodymium‐iron‐boron magnets , 1985 .