Electrodeposition of zinc-iron from an alkaline sulfate bath containing triethanolamine

Zinc-iron alloy deposits containing 15 to 25% iron electrodeposited from an alkaline sulfate bath containing triethanolamine were smooth, uniform, and bright. The cathode potentials for alloy deposition are intermediate between those of iron and zinc single solutions. The alloy electrodeposition is...

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Bibliographic Details
Published in:Metal finishing 1997-09, Vol.95 (9), p.44,46-44,47
Main Authors: Narasimhamurthy, V., Sheshadri, B.S.
Format: Article
Language:English
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Summary:Zinc-iron alloy deposits containing 15 to 25% iron electrodeposited from an alkaline sulfate bath containing triethanolamine were smooth, uniform, and bright. The cathode potentials for alloy deposition are intermediate between those of iron and zinc single solutions. The alloy electrodeposition is a regular type codeposition. The zinc content in the alloy deposit was less than that of the zinc content in the bath. Increase in the temperature of the bath decreases the zinc content in the alloy deposit. The CCE increases with increase in current density up to 86%. The zinc content in the alloy deposit does not significantly change with thickness. The optimum bath composition and operating conditions to obtain smooth, uniform, and bright zinc iron alloys containing 15 to 25% iron are given in table.
ISSN:0026-0576
1873-4057
DOI:10.1016/S0026-0576(97)85858-8