Production of Nd-Fe foundry alloy by electrolysis in molten salts

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Production of Nd-Fe foundry alloy by electrolysis in molten salts	201 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1051/matecconf/20179600009

Title: Production of Nd-Fe foundry alloy by electrolysis in molten salts
Creator: Makaseev, Yuriy
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Zhitkov, Sergey
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Kartashov, Evgeniy
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Sofronov, Vladimir L.
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Buinovskiy, Alexander
Date: 2017
DOI: 10.1051/matecconf/20179600009
Description: Nd-Fe-B-based permanent magnets have the highest magnetic characteristics. To improve their quality, one generally applies the technique of solid-phase alloying by materials with high content of neodymium, dysprosium, terbium, i.e. rare-earth metal (REM)-Fe(Co) foundry alloys. The paper presents the results of the study of the manufacturing process of Nd-Fe foundry alloys, with composition being close to eutectic, by electrolysis of neodymium oxides and fluorides from chloride and fluoride melts. It is shown that in the oxide electrolysis a sufficiently high current efficiency (over 98 %) is obtained. This is a promising method of obtaining of rare earth-containing materials.

Created: 08-06-2017

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Сибирский физико-технический институт Production of Nd-Fe foundry alloy by electrolysis in molten salts