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

<div>Effect of NaNO<sub>2</sub> addition on surface appearance of ductile cast iron after the immersion test in simulated cooling water for 3 hours at 25°C; (a) 0 ppm NaNO<sub>2</sub> and (b) 10,000 ppm NaNO<sub>2</sub>.</div>

Advances in Materials Science and Engineering

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Figure 7

Figure 7: Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants 