Abstract
Ceramic filled polymer coatings have been shown to increase the salt water corrosion protection and wear resistance of metallic substrates. With an increase in natural and anthropogenic CO2 use as an enhanced oil recovery method paired to conventional brine-based recovery, termed ‘water after gas’ the impact of corrosion remains unknown. In this paper, we investigate the effect of salt water corrosion in a filled and unfilled coating before and after supercritical CO2 exposure. Corrosion performance is evaluated using electrochemical Tafel and impedance spectroscopy. Wear was measured using a pin on disk testing. After exposure to CO2, the corrosion performance of filled and unfilled systems were similar while the wear resistance of the filled coating was superior.
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