Carbon Dioxide Corrosion Mechanisms: Historical Development and Key Parameters of CO₂-H₂O Systems

Figure 9

SEM images of localized corrosion on API X65 carbon steel (a) during O2(g) feed, (b) 24 h, and (c) 4 days after O2(g) feed cut. (d) Detail of crystals at the base of the pit (reproduced from Basilico et al. [80] under the Creative Commons Attribution License/public domain).