Thermally-stable high coercivity Ce-substituted hot-deformed magnets with 20% Nd reduction
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DOI: 10.1016/j.actamat.2020.03.017
Abstract: Abstract We demonstrate a 20% Ce-substituted Nd-Fe-B hot-deformed magnet with a large coercivity (µ0Hc) of 1.69 T and a remanent magnetization of 1.32 T, which are comparable to those for Nd-Fe-B sintered magnets. The temperature… read more here.
Keywords: hot deformed; deformed magnets; coercivity substituted; magnet ... See more keywords
Direct detection and stochastic analysis on thermally activated domain-wall depinning events in micropatterned Nd-Fe-B hot-deformed magnets
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DOI: 10.1016/j.actamat.2020.09.074
Abstract: Abstract Although the magnetization reversal process in the permanent magnets has long been studied, it has not been fully revealed. The recent progress of the computational science realizes the atomistic calculations for the thermally activated… read more here.
Keywords: domain wall; hot deformed; deformed magnets; wall depinning ... See more keywords
Effect of Tb-Fe diffusion on magnetic properties and thermal stability of hot-deformed magnets
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.09.205
Abstract: Abstract Hot-deformed Nd-Fe-B magnets co-doped with and without Tb-Fe addition are prepared to study the effect of Tb-Fe particles on the magnetic properties and thermal stability. With the addition of 2 wt. % Tb-Fe particles, the… read more here.
Keywords: hot deformed; thermal stability; deformed magnets; properties thermal ... See more keywords
Coercivity enhancement of nanocrystalline hot-deformed Nd-Fe-B magnets by low-melting eutectic MM-Cu (MM=La, Ce, Pr, Nd) alloys addition
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DOI: 10.1016/j.jre.2019.04.024
Abstract: Abstract MM85Cu15 (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 peaks occur on the differential scanning calorimetry curve of the… read more here.
Keywords: deformed magnets; hot deformed; addition; coercivity ... See more keywords
Suppression of non-oriented grains in Nd-Fe-B hot-deformed magnets by Nb doping
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DOI: 10.1016/j.scriptamat.2017.12.032
Abstract: Abstract 0.2 at.%Nb doping to a Nd 12.83 Fe 76.7 Co 4.50 Ga 0.53 B 5.44 alloy suppress the surface crystallization in melt-spun ribbon, thereby suppressing the formation of non-oriented grains during the hot-deformation process to… read more here.
Keywords: hot deformed; deformed magnets; non oriented; suppression non ... See more keywords