Research Article

Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants

Figure 3

Effect of NaNO2 addition on polarization behavior in deaerated simulated cooling water at 25°C (scanning rate; 0.33 mV/s); (a) carbon steel and (b) ductile cast iron.
(a)
(b)