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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Ipatov, Mihail
Ministerio de Ciencia e Innovación
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Development of anisotropic Nd-Fe-B powder from isotropic gas atomized powdercitations
- 2024Comparison of the Magnetic and Structural Properties of MnFePSi Microwires and MnFePSi Bulk Alloycitations
- 2023Influence of the Geometrical Aspect Ratio on the Magneto-Structural Properties of Co2MnSi Microwirescitations
- 2023Preparation and Magneto-Structural Investigation of High-Ordered (L21 Structure) Co2MnGe Microwirescitations
- 2023Effects of thermal cycling on the thermal and magnetic response of Ni–Mn–Sn–Pd alloyscitations
- 2023Preparation and Magneto-Structural Investigation of High Ordered Structure in Co2MnGe Microwires
- 2023Effect of Annealing on the Magnetic Properties of Co2MnSi-Based Heusler Alloy Glass-Coated Microwirescitations
- 2023Effect of Annealing on the Magnetic Properties of Co2MnSi-Based Heusler Alloy Glass-Coated Microwirescitations
- 2023Enhancing the Squareness and Bi-Phase Magnetic Switching of Co2FeSi Microwires for Sensing Applicationcitations
- 2023Carbon-Doped Co2MnSi Heusler Alloy Microwires with Improved Thermal Characteristics of Magnetization for Multifunctional Applicationscitations
- 2022Preparation and Magneto-Structural Investigation of Nanocrystalline CoMn-Based Heusler Alloy Glass-Coated Microwirescitations
- 2022Fabrication and Magneto-Structural Properties of Co2-Based Heusler Alloy Glass-Coated Microwires with High Curie Temperaturecitations
- 2022Fabrication and Magneto-Structural Properties of Co2-Based Heusler Alloy Glass-Coated Microwires with High Curie Temperaturecitations
- 2022Magnetic properties of layered hybrid organic-Inorganic metal-halide perovskites: Transition metal, organic cation and perovskite phase pffectscitations
- 2022Magnetic Properties of Layered Hybrid Organic‐Inorganic Metal‐Halide Perovskites: Transition Metal, Organic Cation and Perovskite Phase Effectscitations
- 2022Anomalous magnetic behavior in half-metallic Heusler Co2FeSi alloy glass-coated microwires with high Curie temperaturecitations
- 2022Elucidation of the Strong Effect of the Annealing and the Magnetic Field on the Magnetic Properties of Ni2-Based Heusler Microwirescitations
- 2022Elucidation of the Strong Effect of the Annealing and the Magnetic Field on the Magnetic Properties of Ni2-Based Heusler Microwirescitations
- 2021Martensitic transformation, magnetic and magnetocaloric properties of Ni–Mn–Fe–Sn Heusler ribbonscitations
- 2020Martensitic Transformation, Thermal Analysis and Magnetocaloric Properties of Ni-Mn-Sn-Pd Alloyscitations
- 2020Martensitic Transformation, Thermal Analysis and Magnetocaloric Properties of Ni-Mn-Sn-Pd Alloyscitations
- 2020Coercivity and Magnetic Anisotropy of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 Amorphous and Nanocrystalline Alloy Produced by Gas Atomization Processcitations
- 2018Magnetic Properties of Annealed Amorphous Fe72.5Si12.5B15 Alloy Obtained by Gas Atomization Techniquecitations
- 2014Annealing effect on the crystal structure and exchange bias in Heusler Ni45.5Mn43.0In11.5 alloy ribbonscitations
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article
Development of anisotropic Nd-Fe-B powder from isotropic gas atomized powder
Abstract
This work presents an innovative approach to obtain anisotropic Nd-Fe-B powder from isotropic gas atomized powder. The new process was developed using a ternary Nd-Fe-B alloy, without the requirement for additional heavy rare earth or other critical raw materials. It comprises the following steps: (a) gas atomization to produce a polycrystalline isotropic powder; (b) annealing at high temperature to induce grain growth; (c) hydrogen decrepitation to obtain a monocrystalline powder; and (d) hydrogenation-disproportionation-desorption-recombination to obtain the final ultrafine anisotropic particles. The final particle shape is polygonal, which should improve the injection molding characteristics of current powder. The final powder exhibits both high remanence (0.97 T) and coercivity (1354 kA/m) for laboratory batch sizes, which is a result of its anisotropic ultrafine microstructure. Thus, gas atomization is considered a feasible alternative to casting methods as a first step to produce powders for anisotropic bonded magnet.