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

<div>Deconvolution of the chemical species determined by XPS on the surface of (a, a′, c) carbon steel passivated in 1,000 ppm NaNO<sub>2</sub> and (b, b′, c′) ductile cast iron passivated in 100,000 ppm NaNO<sub>2</sub>; (a) and (a′) Fe 2p, (b) and (b′) Fe 2p, and (c) and (c′) N 1s.</div>

Advances in Materials Science and Engineering

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Figure 14

Figure 14: Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants 