Manufacturing processes for permanent magnets: Part I—sintering and casting

J Cui, J Ormerod, D Parker, R Ott, A Palasyuk, S Mccall… - Jom, 2022 - Springer
Permanent magnets (PMs) produce magnetic fields and maintain the field even in the
presence of an opposing magnetic field. Electrical machines using permanent magnets are …

Microstructural and magnetic property evolution with different heat-treatment conditions in an alnico alloy

L Zhou, W Tang, L Ke, W Guo, JD Poplawsky… - Acta Materialia, 2017 - Elsevier
Further property enhancement of alnico, an attractive near-term, non-rare-earth permanent
magnet alloy system, primarily composed of Al, Ni, Co, and Fe, relies on improved …

Net shape processing of alnico magnets by additive manufacturing

EMH White, AG Kassen, E Simsek… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Alternatives to rare earth permanent magnets, such as alnico, will reduce supply instability,
increase sustainability, and could decrease the cost of permanent magnets, especially for …

Processing of alnico magnets by additive manufacturing

E White, E Rinko, T Prost, T Horn, C Ledford, C Rock… - Applied Sciences, 2019 - mdpi.com
Featured Application For potential application in electric drive motors and advanced high
temperature magnet technologies. Abstract Permanent magnets without rare earth (RE) …

On spinodal decomposition in alnico-A transmission electron microscopy and atom probe tomography study

L Zhou, W Guo, JD Poplawsky, L Ke, W Tang… - Acta Materialia, 2018 - Elsevier
Alnico is a prime example of a finely tuned nanostructure whose magnetic properties are
intimately connected to magnetic annealing (MA) during spinodal transformation and …

[HTML][HTML] Permanent magnets and its production by powder metallurgy

EH Lalana - Rev. Metal.(Madr.), 2018 - revistademetalurgia.revistas.csic.es
In this work, the historical relationship between permanent magnets and powder metallurgy
is reviewed. Powder metallurgy is a manufacturing technique based on the compaction of …

[HTML][HTML] Development of controlled solid-state alignment for alnico permanent magnets in near-final shape

IE Anderson, AG Kassen, EMH White, A Palasyuk… - AIP Advances, 2017 - pubs.aip.org
The 2011 price shock in the rare earth (RE) permanent magnet (PM) marketplace
precipitated realization of extremely poor RE supply diversity and drove renewed research …

[HTML][HTML] Novel mechanisms for solid-state processing and grain growth with microstructure alignment in alnico-8 based permanent magnets

AG Kassen, EMH White, L Hu, W Tang, L Zhou… - AIP Advances, 2018 - pubs.aip.org
An estimated 750,000 new hybrid electric and plug-in battery vehicles, most with permanent
magnet synchronous alternating current (PMAC) drive motors, took to the road in 2016 …

Effect of multi-element addition of Alnico alloying elements on structure and magnetic properties of SmCo5-based ribbons

L Bian, Y Li, X Han, J Cheng, X Qin, Y Zhao… - Physica B: Condensed …, 2018 - Elsevier
Abstract New SmCo 5+ x wt% Alnico composite ribbons melt-spun at 40 m/s are designed
by multi-element addition of Alnico alloy into SmCo 5 matrix, and their structure and …

[HTML][HTML] Texture development and coercivity enhancement in cast alnico 9 magnets

W Zhang, S Valloppilly, X Li, L Yue, R Skomski… - AIP Advances, 2018 - pubs.aip.org
The effect of Y addition and magnetic field on texture and magnetic properties of arc-melted
alnico 9 magnets has been investigated. Small additions of Y (1.5 wt.%) develop a (200) …