Block Magnets with Uniform Core–Shell Microstructure Regenerated from NdFeB Grain Boundary Diffusion Sheet Magnets [PDF]
The grain boundary diffusion (GBD) process is currently the relatively effective method for utilizing heavy rare earth (HRE) elements in NdFeB magnets, especially for magnetic sheets.
Xiangheng Zhuge +10 more
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Facile Synthesis of Nd2Fe14B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
The synthesis of Nd-Fe-B magnetic powders via chemical techniques presents significant promise, but poses challenges due to their inherent chemical instability.
Ling Wang, Xiaofen Xu
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Magnetic materials are crucial energy materials that are widely used in day-to-day life. Therefore, the development and study of high-performance magnetic materials are of great significance.
Jiang Zou +4 more
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FRACTAL ANALYSIS OF THE NANOSTRUCTURE OF A HETEROGENEOUS HIGH COERCITY ALLOY
The atomic force microscopy was used to obtain images of the nanostructure of components of a heterogeneous intermetallic SmCoCuFeZr compound in a highly coercive state.
E.M. Semenova +5 more
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Relationship between coercivity and stress of X80 pipeline steel
The operation environment along the long-distance oil and gas pipelines is complex, and the abnormal external load during pipeline operation may lead to local stress concentration, which will increase the operation risk of pipeline.The coercivity-based ...
CHENG Fanju +5 more
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Most frequently asked questions about the coercivity of Nd-Fe-B permanent magnets
Physically, the coercivity of permanent magnets should scale with the anisotropy field of ferromagnetic compounds, HA; however, the typical coercivity values of commercial polycrystalline sintered magnets are only ~0.2 HA, which is known as Brown’s ...
Jiangnan Li +4 more
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Influence of Cu on the Improvement of Magnetic Properties and Structure of L10 FePt Nanoparticles
L10 ordered FePt and FePtCu nanoparticles (NPs) with a good dispersion were successfully fabricated by a simple, green, one-step solid-phase reduction method.
Luran Zhang +8 more
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Morphology of NdFeB-Type Permanent Magnet Coercivity Enhancement by Heat Treatment Process
To understand the morphology of the coercivity enhancement by heat treatment, a commercial sintered NdFeB-type permanent magnet is annealed, and the coercivity is measured by Permagraph.
Eva Afrilinda +5 more
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Additive Manufacturing of Bulk Nanocrystalline FeNdB Based Permanent Magnets
Lab scale additive manufacturing of Fe-Nd-B based powders was performed to realize bulk nanocrystalline Fe-Nd-B based permanent magnets. For fabrication a special inert gas process chamber for laser powder bed fusion was used.
Dagmar Goll +5 more
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On the remarkable coercivity in MnBi by microstructural engineering [PDF]
MnBi materials with different microstructures were prepared by severe plastic deformation using different processing conditions. The coercivity can be controlled by tuning the grain size, defect density, and the phase distribution of the MnBi in the ...
Andrea Bachmaier +4 more
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