Electrodeposition of composite Fe-TiO sub(2) coatings from methanesulfonate electrolyte

The process of electrodeposition of an iron-titania composite electrochemical coating from methanesulfonate electrolyte is studied. TiO sub(2) Degussa P 25 nanopowder (a mixture of crystalline modifications of rutile and anatase, with the latter prevailing) is used for preparation of suspension elec...

Full description

Saved in:
Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2016-05, Vol.52 (3), p.532-537
Main Authors: Vasil'eva, E A, Tsurkan, A V, Protsenko, V S, Danilov, F I
Format: Article
Language:English
Subjects:
Coatings
Current density
Dyes
Electrodeposition
Electrolytes
Mathematical models
Particulate composites
Titanium dioxide
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The process of electrodeposition of an iron-titania composite electrochemical coating from methanesulfonate electrolyte is studied. TiO sub(2) Degussa P 25 nanopowder (a mixture of crystalline modifications of rutile and anatase, with the latter prevailing) is used for preparation of suspension electrolyte. The dispersed phase content in the composition coating increases at a decrease in current density and increase in TiO sub(2) in the suspension. It is shown that kinetics of codeposition is adequately described by the improved Guglielmi model. It is shown that inclusion of TiO sub(2) particles into an iron matrix results in an increase in microhardness of the coating due to dispersion strengthening. Fe-TiO sub(2) (anatase+rutile) coatings manifest photocatalytic activity with respect to the reaction of destruction of the methyl orange dye in aqueous solutions under exposure to UV radiation, and this activity is higher than in the case of similar coatings containing TiO sub(2)-rutile particles.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205116030278