Research Article
Effect of Microstructure on Hydrogen Diffusion in Weld and API X52 Pipeline Steel Base Metals under Cathodic Protection
Figure 12
Anodic and cathodic polarization curves of the annealed base metal (ABM) and quenched base metal (QBM) of the API X52 carbon steel immersed in the NS4 + sodium thiosulfate 10−2 M modified solution.