On the potential of hard ferrite ceramics for permanent magnet technology—a review on sintering strategies

C Granados-Miralles, P Jenuš - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
A plethora of modern technologies rely on permanent magnets for their operation, including
many related to the transition towards a sustainable future, such as wind turbines or electric …

Recent advances in hard ferrite magnets

A Bollero, EM Palmero - Modern Permanent Magnets, 2022 - Elsevier
Ferrite magnets are one of the most widely used permanent magnet materials in the world,
accounting for the highest production of magnetic materials by weight. Among the six …

[HTML][HTML] Dense strontium hexaferrite-based permanent magnet composites assisted by cold sintering process

E García-Martín, C Granados-Miralles… - Journal of Alloys and …, 2022 - Elsevier
The use of rare-earth-based permanent magnets is one of the critical points for the
development of the current technology. On the one hand, industry of the rare-earths is highly …

[HTML][HTML] Hexaferrite-based permanent magnets with upper magnetic properties by cold sintering process via a non-aqueous solvent

A Serrano, E García-Martín, C Granados-Miralles… - Acta Materialia, 2021 - Elsevier
The incessant technological pursuit towards a more sustainable and green future depends
strongly on permanent magnets. At present, their use is widespread, making it imperative to …

Life Cycle Assessment of Rare Earth Elements-Free Permanent Magnet Alternatives: Sintered Ferrite and Mn–Al–C

A Amato, A Becci, A Bollero… - ACS Sustainable …, 2023 - ACS Publications
Permanent magnets are fundamental constituents in key sectors such as energy and
transport, but also robotics, automatization, medicine, etc. High-performance magnets are …

Eco-friendly and economical preparation of permanent ferrite magnet with ultrapure magnetite concentrate: Focus on the action mechanism of silicon and aluminum …

Y Zhou, B Xu, T Jiang, Z Dong, J Wu, Y Lin… - Separation and …, 2023 - Elsevier
In this study, ultrapure magnetite concentrate (UMC) was used to replace high-quality iron
oxide red (IOR) for permanent ferrite magnet (PFM) preparation. UMC needs to be pre …

High-performance hexaferrite ceramic magnets made from nanoplatelets of Ferrihydrite by high-temperature calcination for permanent magnet applications

H Vijayan, AP Laursen, M Stingaciu… - ACS Applied Nano …, 2023 - ACS Publications
Highly aligned ceramic hexaferrite magnets with high-energy products (BH) max and a
density exceeding 90% of theoretical density have been fabricated. The precursors were an …

Study on the high resistivity and resonant frequency characteristics of Eu-doped NiZnCo ferrites

Y Jiao, X Zhang, YL Li, SJ Huang, BJ Wang… - Ceramics …, 2024 - Elsevier
To fulfill the urgent demand for materials suitable for contemporary high-frequency
applications, Eu-substituted Ni 0.55 Zn 0.35 Co 0.1 Eu x Fe 2-x O 4 (NZCEF, 0≤ x≤ 0.10) …

Touch‐free reactive flash sintering of dense strontium hexaferrite permanent magnet

SIA Jalali, AF Manchón‐Gordón… - Journal of the …, 2023 - Wiley Online Library
This work presents an extension of the touch‐free flash sintering technique. In the proposed
technique, chemical reaction and sintering occur in a single step, without the use of …

[HTML][HTML] Effect of organic solvent on the cold sintering processing of SrFe12O19 platelet-based permanent magnets

A Serrano, E García-Martín… - Journal of the European …, 2022 - Elsevier
In this work we have investigated the effect of the solvent during the processing of SrFe 12 O
19 platelet-based permanent magnets by cold sintering process (CSP) plus a post-thermal …