Properties of Zn-Ni alloy deposits from ammonium baths

Zn-Ni alloys have been electrodeposited from a simple bath containing only zinc, nickel and ammonium chlorides. The composition, morphology, structure and corrosion resistance of the alloys obtained with this bath have been studied and the influence of some additives, normally used to reduce the str...

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Bibliographic Details
Published in:Journal of applied electrochemistry 1994-12, Vol.24 (12), p.1249-1255
Main Authors: BARCELO, G, GARCIA, J, SARRET, M, MÜLLER, C, PREGONAS, J
Format: Article
Language:English
Subjects:
Chemistry
Electrochemistry
Electrodeposition
Exact sciences and technology
General and physical chemistry
Study of interfaces
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Summary:Zn-Ni alloys have been electrodeposited from a simple bath containing only zinc, nickel and ammonium chlorides. The composition, morphology, structure and corrosion resistance of the alloys obtained with this bath have been studied and the influence of some additives, normally used to reduce the stress of the deposits, has also been analysed. Among these it has been found that aromatic sulfonimide does not significantly modify the deposit characteristics but improves the corrosion resistance of the alloys. Moreover, the applicability of two statistical methods to a deposition process has been tested, to obtain the main factor determining the deposit composition.
ISSN:0021-891X
1572-8838
DOI:10.1007/BF00249889