[HTML][HTML] Structural and magnetic properties of nanocomposite Nd–Fe–B prepared by rapid thermal processing

J Yang, J Han, H Tian, L Zha, X Zhang, CS Kim… - Engineering, 2020 - Elsevier
Nanoscale permanent magnetic materials, which possess excellent magnetic and
mechanical properties, thermal stability, and corrosion resistance, have become a research …

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

Y Wu, KP Skokov, L Schäfer, F Maccari, H Xu, X Wang… - Acta Materialia, 2024 - Elsevier
Praseodymium (Pr) doping is known to increase the coercivity of Nd-Fe-B permanent
magnets without significant reduction in magnetization. However, there is still a lack of …

Effects of Nd-rich phase on the improved properties and recoil loops for hot deformed Nd-Fe-B magnets

YH Hou, YL Wang, YL Huang, Y Wang, S Li, SC Ma… - Acta Materialia, 2016 - Elsevier
Nd-rich phase plays a critical role in wetting grain boundary and facilitating texture formation
for hot deformed (HD) Nd-Fe-B magnets. In this study, a non-uniform distribution of Nd-rich …

SmCo5∕ Fe nanocomposites synthesized from reductive annealing of oxide nanoparticles

Y Hou, S Sun, C Rong, JP Liu - Applied Physics Letters, 2007 - pubs.aip.org
Hard magnetic nanocomposites Sm Co 5∕ Fe x (x= 0–2.9) are synthesized by a
simultaneous calcium reduction of Sm–Co–O and Fe 3 O 4 nanoparticles. The composites …

Development of high coercivity anisotropic Nd-Fe-B/Fe nanocomposite powder using hydrogenation disproportionation desorption recombination process

H Sepehri-Amin, I Dirba, X Tang, T Ohkubo, T Schrefl… - Acta Materialia, 2019 - Elsevier
Based on a modified hydrogenation disproportionation desorption recombination (HDDR)
process we propose and realize a novel top-down processing route to synthesize …

Effect of milling parameters on SmCo5 nanoflakes prepared by surfactant-assisted high energy ball milling

SK Pal, L Schultz, O Gutfleisch - Journal of Applied Physics, 2013 - pubs.aip.org
In this study, we discuss the effect of different milling parameters, such as the type and
concentration of surfactants, milling energy, and milling time on the structural, morphological …

Origin of recoil hysteresis loops in Sm–Co∕ Fe exchange-spring magnets

Y Choi, JS Jiang, JE Pearson, SD Bader… - Applied physics …, 2007 - pubs.aip.org
Open recoil loops are often interpreted as a consequence of a breakdown in exchange
coupling and attributed to the decoupled soft phase in exchange-coupled permanent …

A comparative study of Nd15Fe78B7 and Nd15Co78B7 systems: phase formations and coercivity mechanisms

Y Wu, KP Skokov, L Schäfer, F Maccari, A Aubert… - Acta Materialia, 2022 - Elsevier
Abstract Both Nd-Fe-B and Nd-Co-B nanocrystalline magnets exhibit coercivity above 1 T.
While the microstructure and mechanism of the coercive force of Nd-Fe-B magnets are well …

Bulk FePt-based nanocomposite magnets with enhanced exchange coupling

CB Rong, V Nandwana, N Poudyal, JP Liu… - Journal of Applied …, 2007 - pubs.aip.org
High density bulk FePt/Fe 3 Pt nanocomposite magnets have been prepared by high-
pressure warm compaction of chemically synthesized FePt and Fe 3 O 4 nanoparticles. It is …

From FePt–Fe 3 O 4 to L1 0-FePt–Fe nanocomposite magnets with a gradient interface

W Yang, W Lei, Y Yu, W Zhu, TA George… - Journal of Materials …, 2015 - pubs.rsc.org
We report a novel approach for the fabrication of exchange-coupling L10-FePt–bcc-Fe
nanocomposites with a gradient interface between hard and soft phases from FePt …