Current progress and future challenges in rare-earth-free permanent magnets

J Cui, M Kramer, L Zhou, F Liu, A Gabay… - Acta Materialia, 2018 - Elsevier
Permanent magnets (PM) are critical components for electric motors and power generators.
Key properties of permanent magnets, especially coercivity and remanent magnetization …

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 …

Magnetic anisotropy—How much is enough for a permanent magnet?

R Skomski, JMD Coey - Scripta Materialia, 2016 - Elsevier
Material choices for permanent magnets are analyzed in terms of energy product, anisotropy
and hardness parameter. Energy product is the main consideration for permanent magnets …

Hard and semi-hard magnetic materials based on cobalt and cobalt alloys

J Mohapatra, M Xing, J Elkins, JP Liu - Journal of Alloys and Compounds, 2020 - Elsevier
Cobalt (Co) is one of the most important 3d transition metal elements used in the
development of magnetic materials, especially in hard magnetic materials, from the early Co …

Novel nanostructured rare-earth-free magnetic materials with high energy products

B Balasubramanian, B Das, R Skomski, W Zhang… - 2013 - digitalcommons.unl.edu
The development of new iron-or cobalt-rich permanent-magnet materials is of paramount
importance in materials science and technology since high-performance materials based on …

Exploring the structural complexity of intermetallic compounds by an adaptive genetic algorithm

X Zhao, MC Nguyen, WY Zhang, CZ Wang, MJ Kramer… - Physical review …, 2014 - APS
Solving the crystal structures of novel phases with nanoscale dimensions resulting from
rapid quenching is difficult due to disorder and competing polymorphic phases. Advances in …

Hf–Co and Zr–Co alloys for rare-earth-free permanent magnets

B Balamurugan, B Das, WY Zhang… - Journal of Physics …, 2014 - iopscience.iop.org
The structural and magnetic properties of nanostructured Co-rich transition-metal alloys, Co
100− x TM x (TM= Hf, Zr and 10≤ x≤ 18), were investigated. The alloys were prepared …

Recent developments of rare-earth-free hard-magnetic materials

D Li, DS Pan, SJ Li, ZD Zhang - Science China Physics, Mechanics & …, 2016 - Springer
Recent advances in rare-earth-free hard-magnetic materials including magnetic bulk, thin
films, nanocomposites and nanostructures are introduced. Since the costs of the rare-earth …

Nanocrystalline and nanocomposite permanent magnets by melt spinning technique

C Rong, B Shen - Chinese Physics B, 2018 - iopscience.iop.org
The melt-spinning technique offers an opportunity for tailoring magnetic properties by
controlling the structures and microstructures in both single-phase and composite magnets …

[HTML][HTML] High energy product of MnBi by field annealing and Sn alloying

W Zhang, B Balasubramanian, P Kharel, R Pahari… - APL Materials, 2019 - pubs.aip.org
Permanent-magnet materials are one cornerstone of today's technology, abundant in disk
drives, motors, medical equipment, wind generators, and cars. A continuing challenge has …