Zinc alloys containing transition metals (Ni, Co and Fe) have attracted the attention because of their high corrosion resistance. In the framework of non-aqueous solution, improved deposit quality and process efficiency are expected with respect to aqueous ones. In this work, eutectic mixture of molar ratio 1 choline chloride: 4.5 ethylene glycol is considered. Codeposition of zinc and nickel is studied as a function of the metal salts concentration; particular attention is paid to the formation of Zn rich alloys (15-25 % wt. Ni). Metastable -ZnNi with short-range order has been obtained.

Electrodeposition of ZnNi alloys from ethylene glycol/choline chloride based ionic liquid

PANZERI, GABRIELE;NOBILI, LUCA GIAMPAOLO;MAGAGNIN, LUCA
2016-01-01

Abstract

Zinc alloys containing transition metals (Ni, Co and Fe) have attracted the attention because of their high corrosion resistance. In the framework of non-aqueous solution, improved deposit quality and process efficiency are expected with respect to aqueous ones. In this work, eutectic mixture of molar ratio 1 choline chloride: 4.5 ethylene glycol is considered. Codeposition of zinc and nickel is studied as a function of the metal salts concentration; particular attention is paid to the formation of Zn rich alloys (15-25 % wt. Ni). Metastable -ZnNi with short-range order has been obtained.
electrodeposition, zinc, nickel. DES
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/1006422
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