Coercivity enhancement of Nd-La-Ce-Fe-B sintered magnets: Synergistic effects of grain boundary regulation and chemical heterogeneity

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

[2]  Jianping Ge,et al.  Global wind power development leads to high demand for neodymium praseodymium (NdPr): A scenario analysis based on market and technology development from 2019 to 2040 , 2020 .

[3]  Xiaolian Liu,et al.  PrAl and PrDyAl diffusion into Nd-La-Ce-Fe-B sintered magnets: Critical role of surface microstructure in the magnetic performance , 2020 .

[4]  Dan Wu,et al.  Origin of low coercivity of high La–Ce-containing Nd–Fe–B sintered magnets , 2020, Rare Metals.

[5]  Yuqing Li,et al.  Achievement of high performance in multi-main-phase (Pr,Nd,MM)-Fe-B sintered magnets by regulating microstructure , 2020 .

[6]  Yuqing Li,et al.  Optimizing microstructure and magnetic properties of mischmetal-based sintered magnets by grain refinement , 2020 .

[7]  M. Yan,et al.  A reliable route for relieving the constraints of multi-main-phase Nd–La–Ce–Fe–B sintered magnets at high La–Ce substitution: (Pr, Nd)H grain boundary diffusion , 2020 .

[8]  Dan Wu,et al.  Effect of inhibiting CeFe2 on grain boundary diffusion of Ce/La-Ce containing Nd-Fe-B magnets , 2020 .

[9]  M. Yan,et al.  Balancing the microstructure and chemical heterogeneity of multi-main-phase Nd-Ce-La-Fe-B sintered magnets by tailoring the liquid-phase-sintering , 2020 .

[10]  Dan Wu,et al.  MM-Fe-B based gap magnet with excellent energy density , 2019 .

[11]  Dan Wu,et al.  Effect of heterogeneous microstructure on magnetization reversal mechanism of hot-deformed Nd-Fe-B magnets , 2019, Journal of Rare Earths.

[12]  M. Yan,et al.  Grain boundary restructuring and La/Ce/Y application in Nd–Fe–B magnets , 2019, Chinese Physics B.

[13]  Dan Wu,et al.  Origin of the coercivity difference in sintered Nd-Fe-B magnets by grain boundary diffusion process using TbH3 nanoparticles and TbF3 microparticles , 2019, Intermetallics.

[14]  M. Yan,et al.  Attaining high magnetic performance in as-sintered multi-main-phase Nd-La-Ce-Fe-B magnets: Toward skipping the post-sinter annealing treatment , 2019, Acta Materialia.

[15]  Zhongwu Liu,et al.  Micromagnetic simulation for the effects of core-shell distributions of RE on the magnetic properties of dual-main-phase Nd-Fe-B based magnets , 2019, Journal of Magnetism and Magnetic Materials.

[16]  Y. Liu,et al.  Significant improvement of the 2:14:1 phase formability and magnetic properties of multi-phases RE-Fe-B magnets with La substitution for Ce , 2019, Journal of Magnetism and Magnetic Materials.

[17]  B. Guo,et al.  Significantly enhancing the coercivity of NdFeB magnets by ternary Pr-Al-Cu alloys diffusion and understanding the elements diffusion behavior , 2019, Journal of Magnetism and Magnetic Materials.

[18]  M. Yan,et al.  Effects of (Nd, Pr)-Hx addition on the coercivity of Nd-Ce-Y-Fe-B sintered magnet , 2019, Journal of Alloys and Compounds.

[19]  R. Tang,et al.  Coercivity Enhancement of Nd–Ce–Fe–B Sintered Magnets by the Grain Boundary Diffusion Process Using Nd–Al–Cu Alloy , 2018, IEEE Transactions on Magnetics.

[20]  M. Yue,et al.  Effects of La substitution on the crystal structure and magnetization of MM-Fe-B alloy (MM = La, Ce, Pr, Nd) , 2018, Journal of Magnetism and Magnetic Materials.

[21]  M. Yan,et al.  Coercivity enhancement for Nd-La-Ce-Fe-B sintered magnets by tailoring La and Ce distributions , 2018, Journal of Alloys and Compounds.

[22]  J. Di,et al.  Design and fabrication of Ce-based sintered magnets by doping Nd-Fe/Ce-Fe alloys , 2018, Journal of Magnetism and Magnetic Materials.

[23]  M. Yan,et al.  Crucial role of the REFe2 intergranular phase on corrosion resistance of Nd-La-Ce-Fe-B sintered magnets , 2018 .

[24]  Xiaolian Liu,et al.  Grain boundary restructuring of multi-main-phase Nd-Ce-Fe-B sintered magnets with Nd hydrides , 2018 .

[25]  M. Yan,et al.  Post-sinter annealing influences on coercivity of multi-main-phase Nd-Ce-Fe-B magnets , 2017 .

[26]  Jiheng Li,et al.  Microstructure modification and coercivity enhancement of Nd-Ce-Fe-B sintered magnets by grain boundary diffusing Nd-Dy-Al alloy , 2017 .

[27]  S. Tao,et al.  Enhanced coercivity of Nd-Ce-Fe-B sintered magnets by adding (Nd, Pr)-H powders , 2017 .

[28]  T. Sasaki,et al.  Magnetization reversal of exchange-coupled and exchange-decoupled Nd-Fe-B magnets observed by magneto-optical Kerr effect microscopy , 2017 .

[29]  B. Shen,et al.  Effects of REFe2 on microstructure and magnetic properties of Nd-Ce-Fe-B sintered magnets , 2017 .

[30]  Shuai Guo,et al.  Coercivity enhancement of (Nd,Ce)-Fe-B sintered magnets by doping Nd-Fe additives , 2017 .

[31]  Xiaodong Fan,et al.  Tuning Ce distribution for high performanced Nd-Ce-Fe-B sintered magnets , 2016 .

[32]  M. Yan,et al.  Chemically Inhomogeneous RE-Fe-B Permanent Magnets with High Figure of Merit: Solution to Global Rare Earth Criticality , 2016, Scientific Reports.

[33]  D. Zeng,et al.  Effects of Nd-rich phase on the improved properties and recoil loops for hot deformed Nd-Fe-B magnets , 2016 .

[34]  Jiuxing Zhang,et al.  Effects of CE substitution on the microstructures and intrinsic magnetic properties of Nd–Fe–B alloy , 2015 .

[35]  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 .

[36]  T. G. Woodcock,et al.  Calculation of remanence and degree of texture from EBSD orientation histograms and XRD rocking curves in Nd–Fe–B sintered magnets , 2015 .

[37]  Jingdai Wang,et al.  The Study on Grain-Boundary Microstructure of Sintered (Ce, Nd)–Fe–B Magnets , 2015, IEEE Transactions on Magnetics.

[38]  Shuai Guo,et al.  Enhanced Magnetic Properties of Sintered Ce–Fe–B-Based Magnets by Optimizing the Microstructure of Strip-Casting Alloys , 2014, IEEE Transactions on Magnetics.

[39]  Jingdai Wang,et al.  Influence of Ce Content on the Rectangularity of Demagnetization Curves and Magnetic Properties of Re-Fe-B Magnets Sintered by Double Main Phase Alloy Method , 2014, IEEE Transactions on Magnetics.

[40]  J. Xia,et al.  3D and 1D calculation of hysteresis loops and energy products for anisotropic nanocomposite films with perpendicular anisotropy , 2013 .

[41]  B. Shen,et al.  Origin of recoil hysteresis in nanocomposite Pr8Fe87B5 magnets , 2013 .

[42]  S. Lee,et al.  A study on the Nd-rich phase evolution in the Nd-Fe-B sintered magnet and its mechanism during post-sintering annealing , 2012 .

[43]  S. Lee,et al.  Microstructural evolution of triple junction and grain boundary phases of a Nd-Fe-B sintered magnet by post-sintering annealing , 2011 .

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

[45]  T. Ohkubo,et al.  Effect of post-sinter annealing on the coercivity and microstructure of Nd-Fe-B permanent magnets , 2009 .

[46]  M. Sagawa,et al.  Improvement of coercivity of sintered NdFeB permanent magnets by heat treatment , 2002 .

[47]  R. Fischer,et al.  Two‐ and three‐dimensional calculation of remanence enhancement of rare‐earth based composite magnets (invited) , 1994 .

[48]  J. F. Herbst,et al.  R 2 Fe 14 B materials: Intrinsic properties and technological aspects , 1991 .