Method for obtaining neodymium or neodymium-iron alloy by electr

Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Utilizing fused bath

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204 64R, 204 71, 205230, C25C 334, C25D 366

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053466080

ABSTRACT:
Neodymium and neodymium-iron alloys are obtained by electrolysis of a neodymium salt melt using magnetite as the anode material. The cathode is non-consumable or is made of iron to be consumed and form a neodymium-iron alloy. The electrolysis is preferably carried out under a protective atmosphere.

REFERENCES:
patent: 4088548 (1978-05-01), Townsend
patent: 4964966 (1990-10-01), Moreland
patent: 5143746 (1992-09-01), Inoue et al.
Chemical Abstracts, vol. 112 Abstract No. 225539p, 1990, & JP 02 04,994 [90 04,994], Tamamura, Hideo (Showa Denka K.K.) Sep. 1, 1990.
E. Morrice et al./U.S. Patent Bureau of Mines, "Direct Electrolysis of Rare-Earth Oxides to Metals and Alloys in Fluoride Melts," Report of Investigations No. 7146, U.S. Dept. of Interior, 1968.
Section Ch, Week 8833, Jul. 11, 1988 Derwent Publications Ltd., London, GB; Class M28, AN 88-232370 & JP-A-63 166 987 (Asahi Chemical Ind. KK) * Zusammenfassung *.

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