The Corrosion of Titanium Carbide

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Abstract
In , the anodic dissolution of titanium carbide begins at about 0.8V (SHE). Trivalent titanium ions could not be detected in the nitrogen‐ saturated solution, although this does not rule out the possibility that Ti(III) is formed in the dissolution reaction. However, at 0.8V oxidation to Ti(IV) would readily occur. The results of potentiostatic and galvanostatic experiments indicate that the subsequent passivation of the electrode, which occurs between 1.2 and 1.7V when it is polarized potentiostatically, is due to Ti(IV) oxide. At potentials above 1.7V, oxidation to Ti(VI) occurs. During the initial dissolution of the carbide, both CO and were detected.

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