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Electrochemistry of the SUCOPLATE® electroplating bath for the deposition of Cu-Zn-Sn alloy - part II: influence of the concentration of bath components

Electrochemistry of the SUCOPLATE® electroplating bath for the deposition of Cu-Zn-Sn alloy - part II: influence of the concentration of bath components
Electrochemistry of the SUCOPLATE® electroplating bath for the deposition of Cu-Zn-Sn alloy - part II: influence of the concentration of bath components
The chemistry of a commercial alkaline cyanide electroplating bath used for the deposition of a Cu-Zn-Sn alloy has been investigated. The voltammetry, the deposit composition and the morphology have been investigated as a function of the concentrations of the three metal ions, Cu(i), Zn(ii) and Sn(iv) as well as the concentrations of cyanide, hydroxide, carbonate and 'Copper Glo' additive. It is shown that all components combine to control the bath performance although the trends in alloy composition and quality can be predicted from the known chemistry of the bath. It is also concluded that the deposition of tin has an important role in initiating the growth of alloy layers.
alloy deposition, bath components, electroplating
395-402
Picincu, L.
db45bac9-6816-4199-9b1a-4646d0551e3b
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Smith, A.
f115f8cb-6c76-444b-ba80-7a1d54276da8
Picincu, L.
db45bac9-6816-4199-9b1a-4646d0551e3b
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Smith, A.
f115f8cb-6c76-444b-ba80-7a1d54276da8

Picincu, L., Pletcher, D. and Smith, A. (2001) Electrochemistry of the SUCOPLATE® electroplating bath for the deposition of Cu-Zn-Sn alloy - part II: influence of the concentration of bath components. Journal of Applied Electrochemistry, 31 (4), 395-402. (doi:10.1023/A:1012018829121).

Record type: Article

Abstract

The chemistry of a commercial alkaline cyanide electroplating bath used for the deposition of a Cu-Zn-Sn alloy has been investigated. The voltammetry, the deposit composition and the morphology have been investigated as a function of the concentrations of the three metal ions, Cu(i), Zn(ii) and Sn(iv) as well as the concentrations of cyanide, hydroxide, carbonate and 'Copper Glo' additive. It is shown that all components combine to control the bath performance although the trends in alloy composition and quality can be predicted from the known chemistry of the bath. It is also concluded that the deposition of tin has an important role in initiating the growth of alloy layers.

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More information

Published date: 1 April 2001
Keywords: alloy deposition, bath components, electroplating

Identifiers

Local EPrints ID: 19596
URI: http://eprints.soton.ac.uk/id/eprint/19596
PURE UUID: c4cbb9f6-983b-4c66-a11d-017ed43fc2c3

Catalogue record

Date deposited: 14 Feb 2006
Last modified: 15 Jul 2019 19:27

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