Abstract
The thermal behavior of Ni- and Cu-containing coatings on titanium formed by plasma electrolytic oxidation and additionally modified with nickel and copper oxides is studied. Annealing of the produced multiphase coatings in air at a temperature of 750°C or higher is shown to result in the growth of surface nanowires, the main components of which are nickel, oxygen, and titanium. The sizes of nanowires depend on the temperature of annealing, and the diameters can be as large as tens or hundreds of nanometers at a length of several to tens of microns. Experimental and literature data show that the combination of plasma electrolytic oxidation with impregnation and annealing is promising for the production of both nanowires bound to metal-oxide substrates and individual nanostructures of certain compositions.
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Original Russian Text © V.S. Rudnev, S. Wybornov, I.V. Lukiyanchuk, I.V. Chernykh, 2014, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2014, Vol. 50, No. 2, pp. 174–177.
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Rudnev, V.S., Wybornov, S., Lukiyanchuk, I.V. et al. Growth of nanowires on the surfaces of multicomponent oxide coatings on titanium. Prot Met Phys Chem Surf 50, 191–194 (2014). https://doi.org/10.1134/S2070205114020130
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DOI: https://doi.org/10.1134/S2070205114020130