Electrodeposition and characterization of tin-zinc alloy coatings

O. A. Ashiru; J. Shirokoff

doi:10.1016/0169-4332(96)00466-7

Electrodeposition and characterization of tin-zinc alloy coatings

O. A. Ashiru^*
, J. Shirokoff

^*Corresponding author for this work

King Fahd University of Petroleum & Minerals

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

This paper reports the electrodepostion of tin-zinc alloy coatings from a non-cyanide alkaline stannate/zincate bath formulation containing a complexing/stabilizing agent. The bath also comprises addition agents which considerably improve the coating properties and give a semi-bright finish. The effects of variables of the process on deposit composition were studied. The 25 ± 5% zinc (balance tin) alloy coatings offer excellent corrosion protection with no obvious white corrosion product. The deposit offers protection which is better than cadmium, zinc and zinc-nickel alloy coatings for equal thicknesses. The tin-zinc deposit obtained from the stannate/zincate bath is fine grained, semi-bright, and shows considerable improvements over the tin-zinc deposit from the previously used cyanide plating process. Electron microscopy and X-ray methods reveal microstructural information and structure-corrosion properties of these alloy coatings.

Original language	English
Pages (from-to)	159-169
Number of pages	11
Journal	Applied Surface Science
Volume	103
Issue number	2
DOIs	https://doi.org/10.1016/0169-4332(96)00466-7
State	Published - Oct 1996

Bibliographical note

Funding Information:
The work reported in this paper was initiated at the International Tin Research Institute (ITRI), Uxbridge, UK, as part of a visiting research fellowship. One of the authors (O.A.A.) is grateful to the ITRI for the award of the fellowship. The Research Institute of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia is gratefully acknowledged for provision of support for further study on tin-zinc coatings. The authors would also like to thank Dr. U. Erb and Mr. P. Nolan for technical assistance with the STEM work which was finan- cially supported by the Natural Sciences and Engineering Research Council of Canada.

Keywords

Corrosion
Electrodeposition
Electroplating bath
Microstructure
Non-cyanide bath
Tin-zinc alloy coating

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/0169-4332(96)00466-7

Cite this

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title = "Electrodeposition and characterization of tin-zinc alloy coatings",

abstract = "This paper reports the electrodepostion of tin-zinc alloy coatings from a non-cyanide alkaline stannate/zincate bath formulation containing a complexing/stabilizing agent. The bath also comprises addition agents which considerably improve the coating properties and give a semi-bright finish. The effects of variables of the process on deposit composition were studied. The 25 ± 5\% zinc (balance tin) alloy coatings offer excellent corrosion protection with no obvious white corrosion product. The deposit offers protection which is better than cadmium, zinc and zinc-nickel alloy coatings for equal thicknesses. The tin-zinc deposit obtained from the stannate/zincate bath is fine grained, semi-bright, and shows considerable improvements over the tin-zinc deposit from the previously used cyanide plating process. Electron microscopy and X-ray methods reveal microstructural information and structure-corrosion properties of these alloy coatings.",

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author = "Ashiru, \{O. A.\} and J. Shirokoff",

note = "Funding Information: The work reported in this paper was initiated at the International Tin Research Institute (ITRI), Uxbridge, UK, as part of a visiting research fellowship. One of the authors (O.A.A.) is grateful to the ITRI for the award of the fellowship. The Research Institute of King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia is gratefully acknowledged for provision of support for further study on tin-zinc coatings. The authors would also like to thank Dr. U. Erb and Mr. P. Nolan for technical assistance with the STEM work which was finan- cially supported by the Natural Sciences and Engineering Research Council of Canada.",

year = "1996",

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PY - 1996/10

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N2 - This paper reports the electrodepostion of tin-zinc alloy coatings from a non-cyanide alkaline stannate/zincate bath formulation containing a complexing/stabilizing agent. The bath also comprises addition agents which considerably improve the coating properties and give a semi-bright finish. The effects of variables of the process on deposit composition were studied. The 25 ± 5% zinc (balance tin) alloy coatings offer excellent corrosion protection with no obvious white corrosion product. The deposit offers protection which is better than cadmium, zinc and zinc-nickel alloy coatings for equal thicknesses. The tin-zinc deposit obtained from the stannate/zincate bath is fine grained, semi-bright, and shows considerable improvements over the tin-zinc deposit from the previously used cyanide plating process. Electron microscopy and X-ray methods reveal microstructural information and structure-corrosion properties of these alloy coatings.

AB - This paper reports the electrodepostion of tin-zinc alloy coatings from a non-cyanide alkaline stannate/zincate bath formulation containing a complexing/stabilizing agent. The bath also comprises addition agents which considerably improve the coating properties and give a semi-bright finish. The effects of variables of the process on deposit composition were studied. The 25 ± 5% zinc (balance tin) alloy coatings offer excellent corrosion protection with no obvious white corrosion product. The deposit offers protection which is better than cadmium, zinc and zinc-nickel alloy coatings for equal thicknesses. The tin-zinc deposit obtained from the stannate/zincate bath is fine grained, semi-bright, and shows considerable improvements over the tin-zinc deposit from the previously used cyanide plating process. Electron microscopy and X-ray methods reveal microstructural information and structure-corrosion properties of these alloy coatings.

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KW - Electrodeposition

KW - Electroplating bath

KW - Microstructure

KW - Non-cyanide bath

KW - Tin-zinc alloy coating

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JO - Applied Surface Science

JF - Applied Surface Science

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ER -

Electrodeposition and characterization of tin-zinc alloy coatings

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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