Anodic Treatment of Zn-Ni Alloy in Alkaline Solutions

Artur Maciej; Joanna Michalska; Wojciech Simka; Maciej Sowa; Tadeusz Gorewoda; Grzegorz Dercz

doi:10.4028/www.scientific.net/SSP.227.139

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Solid State NMR and EIS Examination of SiO₂-Epoxy Hybrid Coatings on Stainless Steel
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Anodic Treatment of Zn-Ni Alloy in Alkaline Solutions

Abstract:

The investigations on anodic oxidation of galvanic Zn-Ni alloy coating in the baths containing sodium hydroxide, sodium silicate and ammonium pentaborate was described in this paper. The surface morphology studies (SEM) and corrosion characterization was the main part of the work. It was found that the anodic treatment of the Zn-Ni alloy coating in the alkali solutions basis on NaOH permit to the obtaining the oxide layer with cracks formation. Application of the baths containing also sodium silicate and ammonium pentaborate cause the cracks decay. The corrosion studies may indicate that the cracks are shallow.

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Periodical:

Solid State Phenomena (Volume 227)

Pages:

139-142

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.227.139

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Online since:

January 2015

Authors:

Artur Maciej*, Joanna Michalska, Wojciech Simka, Maciej Sowa, Tadeusz Gorewoda, Grzegorz Dercz

Keywords:

Anodic Oxidation, Steel Protection, Zn-Ni Alloy, Zn-Ni Coating

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