The open circuit growth of the thin oxide films on titanium in 0.5N solutions of H2SO4, NaOH, and Na2SO4 is studied. The results indicate markedly the dependence of the growth behavior on the electrolyte composition. Anodic oxide film growth on titanium is carried out in 0.5N H2SO4. After interruption of the current, a decrease of its thickness is observed with time. The oxide dissolves with a rate independent of its thickness, i.e., following a zero order process. The oxide seems to be of duplex nature.

Subject
Noble potential, Oxides, Oxide formation, Oxide films, Dissolution, Open circuits, Oxide surfaces, Film formation, Film thickness, Titanium, Electrodes, Electrolytes, Electrode potential
National Association of Corrosion Engineers
1982
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