Process to prepare transition metal powders by electrolysis...

Details Process to prepare transition metal powders by electrolysis... Process to prepare transition metal powders by electrolysis...

C - Chemistry, Metallurgy

25

C

75/155, 204/7, 2

C25C 5/04 (2006.01) B22F 9/18 (2006.01) C25C 3/26 (2006.01) C25D 1/00 (2006.01)

Patent

CA 1287814

PRECIS DE LA DIVULGATION: L'invention est relative à un procédé d'élaboration de poudres de métaux de transition par électrolyse en bains de sels fondus. Ce procédé est caractérisé en ce que l'on conduit l'électrolyse de telle sorte que la tension de dépôt dudit métal de transition soit inférieure de 0,1 à 0,4 volt à celle du métal alcalin ou alcalino-terreux le plus facile à réduire. Il trouve son application dans l'élaboration de poudres de dimensions comprises entre quelques fractions de microns à 200 microns environ de métaux appartenant aux colonnes IVb, Vb, VIb de la classification périodique tels que par exemple le titane, le zirconium, l'hafnium.

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