d-HDDR Processing of Nd-Fe-B Based Alloys to Obtain Highly Anisotropic Nanocrystalline Powders

The HDDR (hydrogenation-disproportionation-desorption-recombination) process is an established powder metallurgy route to obtain Nd–Fe–B nanocrystalline powders for bonded magnets manufacturing. Therefore, both conventional (c-HDDR) and dynamic HDDR (d-HDDR) processes has been investigated to obtain...

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Veröffentlicht in:	Materials science forum 2017-07, Vol.899, p.563-566
Hauptverfasser:	Keller, Frederico Orlandini, Engerroff, Juliano Assis Baron, Wendhausen, Paulo Antônio Pereira, Mascheroni, Arthur Alvarez, Lopes, Leonardo Ulian, Takiishi, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alignment Alloy development Alloys Anisotropy Bonding strength Coercivity Desorption Disproportionation Ferrous alloys Grain size Hydrogenation Magnetic materials Magnetic properties Magnets Microstructure Nanocrystals Neodymium base alloys Photomicrographs Planes Powder metallurgy Scanning electron microscopy X-ray diffraction
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