Effects of Immersion Time and 5-Phenyl-1H-tetrazole on the Corrosion and Corrosion Mitigation of Cobalt Free Maraging Steel in 0.5 M Sulfuric Acid Pickling Solutions
Figure 7
Nyquist plots for the maraging steel electrode at open circuit potential after 120 min immersion in 0.5 M H2SO4 containing (1) 0.0 PHTA, (2) 1.0 mM PHTA, and (3) 5.0 mM PHTA, respectively.
