High-coercivity Nd-Fe-B magnets obtained with the electrophoretic deposition of submicron TbF3 followed by the grain-boundary diffusion process

Using a grain-boundary diffusion process (GBDP) involving the electrophoretic deposition (EPD) of submicron TbF3 powder, we substantially increased the coercivity of sintered Nd-Fe-B permanent magnets. The experiments used magnets with low heavy-rare-earth (HRE) content (HRE = 1.2 wt%) and a coerciv...

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Veröffentlicht in:	Acta materialia 2016-08, Vol.115, p.278-284
Hauptverfasser:	Soderžnik, Marko, Korent, Matic, Žagar Soderžnik, Kristina, Katter, Matthias, Üstüner, Kaan, Kobe, Spomenka
Format:	Artikel
Sprache:	eng
Schlagworte:	Coercive force Coercivity Core-shell-type microstructure Diffusion Electrophoretic deposition Ferrous alloys High-coercivity Induction coupled plasma with optical electron spectroscope Low heavy-rare-earth concentration Magnetic materials Magnets Nd-Fe-B magnets Sintering
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