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 …
Energy efficient design and implementation of electric machines in air transport propulsion system
Following the global trend of carbon neutrality, green sustainable air transport becomes a
hot topic in relevant area of applied energy. Electrified air transport propulsion system …
hot topic in relevant area of applied energy. Electrified air transport propulsion system …
Perspectives for high-performance permanent magnets: applications, coercivity, and new materials
S Hirosawa, M Nishino… - Advances in Natural …, 2017 - iopscience.iop.org
High-performance permanent magnets are indispensable in the production of high-
efficiency motors and generators and ultimately for sustaining the green earth. The central …
efficiency motors and generators and ultimately for sustaining the green earth. The central …
Rare-earth-free permanent magnets: the past and future
J Mohapatra, JP Liu - Handbook of magnetic materials, 2018 - Elsevier
Permanent magnets are essential components in everyday technologies, including in
energy conversion and transportation. Since the discovery of rare-earth-based permanent …
energy conversion and transportation. Since the discovery of rare-earth-based permanent …
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 …
Rare-earth-free high energy product manganese-based magnetic materials
The constant drive to replace rare-earth metal magnets has initiated great interest in an
alternative. Manganese (Mn) has emerged to be a potential candidate as a key element in …
alternative. Manganese (Mn) has emerged to be a potential candidate as a key element in …
New anisotropic MnBi permanent magnets by field-annealing of compacted melt-spun alloys modified with Mg and Sb
A method has been developed for manufacturing rare-earth-free MnBi-based magnets
capable of filling the existing “gap” between the ferrite and rare-earth permanent magnets …
capable of filling the existing “gap” between the ferrite and rare-earth permanent magnets …
Magnetic properties of large-scaled MnBi bulk magnets
S Kim, H Moon, H Jung, SM Kim, HS Lee… - Journal of Alloys and …, 2017 - Elsevier
We investigated the magnetic properties of large, compacted, sintered MnBi bulk magnets
with dimensions of 20.3× 15.3× 10.3 mm 3. To obtain a high content of the low-temperature …
with dimensions of 20.3× 15.3× 10.3 mm 3. To obtain a high content of the low-temperature …
Engineering microstructure to improve coercivity of bulk MnBi magnet
MnBi is a candidate material for high-temperature magnets because of its increasing
coercivity with increasing temperatures up to 255° C. However, most efforts in fabricating …
coercivity with increasing temperatures up to 255° C. However, most efforts in fabricating …
Multistep severe plastic deformation to achieve non-rare earth bulk magnets with high α-MnBi phase content
L Weissitsch, S Wurster, H Krenn… - Materials Research …, 2024 - Taylor & Francis
The ferromagnetic α-MnBi phase as non-rare earth magnetic material has gained increasing
interest, but the fabrication of large volumes containing a significant amount of α-MnBi is still …
interest, but the fabrication of large volumes containing a significant amount of α-MnBi is still …