High performance hot-deformed Nd-Fe-B magnets

K Hioki - Science and Technology of Advanced Materials, 2021 - Taylor & Francis
ABSTRACT Hot-deformed anisotropic Nd-Fe-B magnets may potentially attain high
coercivity due to their fine and highly orientated crystal grain microstructure as a result of the …

Nd2Fe14B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review

G Delette - Journal of Magnetism and Magnetic Materials, 2023 - Elsevier
The growing demand in high performance Nd-Fe-B permanent magnets, driven by emerging
key technologies, notably vehicles electrification and wind turbines, raises the question of …

Ab initio phase stabilities of Ce-based hard magnetic materials and comparison with experimental phase diagrams

Hİ Sözen, S Ener, F Maccari, KP Skokov… - Physical Review …, 2019 - APS
Recent developments in electrical transportation and renewable energies have significantly
increased the demand of hard magnetic materials with a reduced critical rare-earth content …

Development of High-Performance Hot-Deformed Neodymium–Iron–Boron Magnets without Heavy Rare-Earth Elements

K Hioki - Materials, 2023 - mdpi.com
Neodymium–iron–boron magnet is an essential material for the traction motors of green
vehicles because it exhibits the highest maximum energy product,(BH) max, out of all …

[HTML][HTML] (Nd, La, Ce)-Fe-B hot-deformed magnets for application of variable-magnetic-force motors

X Tang, H Sepehri-Amin, A Bolyachkin, T Ohkubo… - Acta Materialia, 2022 - Elsevier
The recent development of variable-magnetic-force (VMF) motors has raised a new demand
for permanent magnets with a moderate coercivity and magnetizing field (H mag), flat first …

[HTML][HTML] Diffusion behavior of heavy rare-earths for grain boundary engineering of sintered Nd-Fe-B-based permanent magnets produced by the 2-powder method

K Opelt, CC Lin, M Schönfeldt, J Gassmann, S Yoon… - Acta Materialia, 2024 - Elsevier
Abstract The 2-powder method (2PM) for the production of high-performance Nd 2 Fe 14 B-
based sintered magnets consists of blending a coarser heavy rare-earth (HRE) free main …

HDDR treatment of Ce-substituted Nd2Fe14B-based permanent magnet alloys-phase structure evolution, intergranular processes and magnetic property …

I Poenaru, A Lixandru, K Gueth, A Malfliet… - Journal of Alloys and …, 2020 - Elsevier
Aiming for cost-efficiency through balanced utilization of rare-earth resources, the use of Ce,
the cheapest and most abundant of all rare-earth elements, as potential candidate to …

Lattice dynamics effects on finite-temperature stability of R1− xFex (R= Y, Ce, Nd, Sm, and Dy) alloys from first principles

G Xing, T Ishikawa, Y Miura, T Miyake… - Journal of Alloys and …, 2021 - Elsevier
We report the effects of lattice dynamics on the thermodynamic stability of binary R 1− x Fe x
(0< x< 1) compounds (R: rare-earth elements, Y, Ce, Nd, Sm, and Dy) at finite temperature …

Coercivity enhancement of nanocrystalline hot-deformed Nd-Fe-B magnets by low-melting eutectic MM-Cu (MM= La, Ce, Pr, Nd) alloys addition

Z Jing, Z Guo, Y He, M Zhang, X Wang, M Zhu… - Journal of Rare Earths, 2020 - Elsevier
Abstract MM 85 Cu 15 (MM= La, Ce, Pr, Nd) eutectic alloys were added into the hot-
deformed Nd-Fe-B magnets to enhance the coercivity. It is found that three endothermic …

Enabling circular economy: the overlooked role of inorganic materials chemistry

G Salviulo, MC Lavagnolo, M Dabalà… - … A European Journal, 2021 - Wiley Online Library
Circular economy is considered a new chance to build a more sustainable world from both
the social and the economic point of view. In this Essay, the possible contribution of …