Figure 11

SEM images for API 5 L X60 mild steel in (a) before immersion, (b) after immerstion in CO2 –saturated 3.5% NaCl and (c) immersion in CO2 –saturated 3.5% NaCl with 50 ppm TBA.

SEM images for API 5 L X60 mild steel in (a) before immersion, (b) after immerstion in CO2 –saturated 3.5% NaCl and (c) immersion in CO2 –saturated 3.5% NaCl with 50 ppm TBA.