Corrosion of ASTM Grade 2 Ti in alkaline peroxide environments was studied by a combination of experiments utilizing weight loss measurements, electrochemical impedance spectroscopy (EIS), linear polarization resistance (LPR), and potentiodynamic polarography. A corrosion mechanism was proposed, based on peroxide concentration and reaction of the oxide with the perhydroxyl ion (OOH–), that accounted for oxide dissolution or thickening, depending on the solution chemistry. It was found that hot alkaline peroxide solutions offer the possibility of acting as nonhydrogen-generating pickling solutions for industrial cleaning and preparation of Ti surfaces.
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Been et al. (2000) studied this question.
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