Current progress and future challenges in rare-earth-free permanent magnets
Permanent magnets (PM) are critical components for electric motors and power generators.
Key properties of permanent magnets, especially coercivity and remanent magnetization …
Key properties of permanent magnets, especially coercivity and remanent magnetization …
Manganese-based permanent magnet materials
Manganese-based permanent magnetic materials have become an area of significant
research activity in recent years as a potential alternative to permanent magnets based on …
research activity in recent years as a potential alternative to permanent magnets based on …
Low-energy mechanically milled τ-phase MnAl alloys with high coercivity and magnetization
W Lu, J Niu, T Wang, K Xia, Z Xiang, Y Song… - Journal of Alloys and …, 2016 - Elsevier
The high cost of rare earth elements makes the use of high-performance permanent
magnets commercially very expensive. MnAl magnetic material is one of the most promising …
magnets commercially very expensive. MnAl magnetic material is one of the most promising …
Application of a novel flash-milling procedure for coercivity development in nanocrystalline MnAl permanent magnet powders
J Rial, M Villanueva, E Céspedes… - Journal of Physics D …, 2017 - iopscience.iop.org
This study shows the possibility of dramatically tuning microstructure and magnetic
properties of gas-atomized Mn 54 Al 46 particles by milling for an unprecedented duration of …
properties of gas-atomized Mn 54 Al 46 particles by milling for an unprecedented duration of …
Study of phases evolution in high-coercive MnAl powders obtained through short milling time of gas-atomized particles
Abstract Gas-atomized Mn 54 Al 46 particles constituted nominally of only ε-and γ 2-phases,
ie no content of the ferromagnetic L1 0-type τ-phase, have been used to study the evolution …
ie no content of the ferromagnetic L1 0-type τ-phase, have been used to study the evolution …
Structural, electronic and magnetic properties of the Mn50Al46Ni4 alloy
The structural, electronic and magnetic behavior of the as-cast and annealed Mn 50 Al 46 Ni
4 and Mn 54 Al 46 alloys was investigated. It was found that annealing at 470° C promotes …
4 and Mn 54 Al 46 alloys was investigated. It was found that annealing at 470° C promotes …
Mechanical alloying and theoretical studies of MnAl (C) magnets
Abstract Mn 55 Al 45, Mn 55 Al 44 C 1, Mn 52.2 Al 45.8 C 2 and Mn 54.2 Al 43.8 C 2 were
synthesized by the mechanical alloying method. It was the first time that a high purity τ phase …
synthesized by the mechanical alloying method. It was the first time that a high purity τ phase …
Reverse magnetization behavior investigation of Mn-Al-C-(α-Fe) nanocomposite alloys with different α-Fe content using first-order reversal curves analysis
SN Attyabi, SA Seyyed Ebrahimi, Z Lalegani… - Nanomaterials, 2022 - mdpi.com
The reverse magnetization behavior for bulk composite alloys containing Mn-Al-C and α-Fe
nanoparticles (NPs) has been investigated by hysteresis loops, recoil, and first-order …
nanoparticles (NPs) has been investigated by hysteresis loops, recoil, and first-order …
Composition and property optimization of rare-earth-free Mn-Al-C magnet by phase stability and magnetic behavior analysis
Mn-Al-C system offers a possibility of rare-earth-free permanent magnets with the reduced
temperature-dependent deterioration of magnetic properties. The Mn-Al-C alloy composition …
temperature-dependent deterioration of magnetic properties. The Mn-Al-C alloy composition …
[HTML][HTML] Phase transformation and magnetic properties of rapidly solidified Mn-Al-C alloys modified with Zr
Y Geng, MJ Lucis, P Rasmussen… - Journal of Applied Physics, 2015 - pubs.aip.org
Mn 54− x Al 43 C 3 Zr x (x= 1, 3) alloys were prepared by rapid solidification followed by
heat treatment to produce the ferromagnetic τ phase. The substitution of Zr for Mn in the …
heat treatment to produce the ferromagnetic τ phase. The substitution of Zr for Mn in the …