Abstract
The purpose of this work is to study the regularities of the anodic oxidation of titanium in ethylene glycol and dimethyl sulfoxide solutions of ammonium fluoride. The rate-determining step of the anodic oxidation of titanium in fluoride-containing electrolytes based on organic solvents is the mass transfer of oxygen anions through the oxide layer to the metal surface. The formation of the oxide layer is accompanied by chemical dissolution of the formed titanium dioxide. Titanium dioxide films with a porous structure (pore diameter 30–50 nm) are formed on the titanium surface in the course of titanium anodic oxidation in the studied media.
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More From: Protection of Metals and Physical Chemistry of Surfaces
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