A systematic investigation of Pr-rich Pr-(Fe,Co)-B material system: Phase formation, microstructure and magnetic property

Wu, Yuye; Skokov, Konstantin P.; Schäfer, Lukas; Maccari, Fernando; Xu, Hao; Wang, Xiaoxiao; Jiang, Chengbao; Gutfleisch, Oliver

doi:10.1016/j.actamat.2023.119517

Acta Materialia

2024

DOI: 10.1016/j.actamat.2023.119517

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A systematic investigation of Pr-rich Pr-(Fe,Co)-B material system: Phase formation, microstructure and magnetic property

Yuye Wu,

Konstantin P. Skokov,

Lukas Schäfer

et al.

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Cited by 4 publications

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“…As it also does not lead to the formation of additional phases, in contrast to other light RE elements such as La [34][35][36], Ce [37][38][39], and Y, it can fully substitute Nd. The problem with a lower Curie temperature is counterbalanced with the addition of Co. A systematic investigation of the Pr-rich Pr-(Fe,Co)-B material system was carried out by Wu et al [40]. Pr doping is known to increase the coercivity of Nd-Fe-B permanent magnets, but no in-depth study has been conducted on the impact of Pr on phase formation and microstructure.…”

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The Future of Permanent-Magnet-Based Electric Motors: How Will Rare Earths Affect Electrification?

Podmiljšak,

Saje,

Jenuš

et al. 2024

Materials

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In this review article, we focus on the relationship between permanent magnets and the electric motor, as this relationship has not been covered in a review paper before. With the increasing focus on battery research, other parts of the electric system have been neglected. To make electrification a smooth transition, as has been promised by governing bodies, we need to understand and improve the electric motor and its main component, the magnet. Today’s review papers cover only the engineering perspective of the electric motor or the material-science perspective of the magnetic material, but not both together, which is a crucial part of understanding the needs of electric-motor design and the possibilities that a magnet can give them. We review the road that leads to today’s state-of-the-art in electric motors and magnet design and give possible future roads to tackle the obstacles ahead and reach the goals of a fully electric transportation system. With new technologies now available, like additive manufacturing and artificial intelligence, electric motor designers have not yet exploited the possibilities the new freedom of design brings. New out-of-the-box designs will have to emerge to realize the full potential of the new technology. We also focus on the rare-earth crisis and how future price fluctuations can be avoided. Recycling plays a huge role in this, and developing a self-sustained circular economy will be critical, but the road to it is still very steep, as ongoing projects show.

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The Future of Permanent-Magnet-Based Electric Motors: How Will Rare Earths Affect Electrification?

Podmiljšak,

Saje,

Jenuš

et al. 2024

Materials

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Geometrically frustrated Gd2Ti2O7 oxide: A comprehensive exploration of structural, magnetic, and magnetocaloric properties for cryogenic magnetic cooling applications

Zhang,

Hao,

Lin

et al. 2024

Acta Materialia

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An effective laser in-situ re-scanning strategy in laser powder bed fusion of Nd-Fe-B permanent magnets: Crack reduction and magnetic properties enhancement

Yao,

Lin,

et al. 2024

Additive Manufacturing

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A systematic investigation of Pr-rich Pr-(Fe,Co)-B material system: Phase formation, microstructure and magnetic property

Cited by 4 publications

References 68 publications

The Future of Permanent-Magnet-Based Electric Motors: How Will Rare Earths Affect Electrification?

The Future of Permanent-Magnet-Based Electric Motors: How Will Rare Earths Affect Electrification?

Geometrically frustrated Gd2Ti2O7 oxide: A comprehensive exploration of structural, magnetic, and magnetocaloric properties for cryogenic magnetic cooling applications

An effective laser in-situ re-scanning strategy in laser powder bed fusion of Nd-Fe-B permanent magnets: Crack reduction and magnetic properties enhancement

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