Investigation of Corrosion Protection of Austenitic Stainless Steel in 5.5 M Polluted Phosphoric Acid Using 5-Azidomethyl-7-morpholinomethyl-8-hydroxyquinoline as an Ecofriendly Inhibitor

Figure 12

Effect of temperature on polarization curves of the AISI 321 corrosion rate in free (a) and inhibited (b) acid solutions.

(a)

(b)