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Kinetics Of O2 Reduction On Oxide-Covered Ni-Cr-Mo Alloys, Xiangrong (Sarah) Zhang
Kinetics Of O2 Reduction On Oxide-Covered Ni-Cr-Mo Alloys, Xiangrong (Sarah) Zhang
Electronic Thesis and Dissertation Repository
Ni-Cr-Mo alloys exhibit exceptional corrosion resistance and are widely used in chemical processing industries. The reliable performance of these alloys under extreme industrial conditions, are generally attributed to the presence of a passive film on the alloy surface. O2 reduction is the most likely cathodic process able to sustain metal oxidation (corrosion) in industrial environments. However, the kinetics of O2 reduction on these oxide-covered alloys has hardly been studied, despite the possibility it may be the rate controlling process for corrosion, especially localized corrosion. The objectives of this research are to characterize the properties of the oxide film …