Research Article
Pickling Behaviour of 2205 Duplex Stainless Steel Hot-Rolled Strips in Sulfuric Acid Electrolytes
Figure 13
Nyquist plots in 300 g L−1 H2SO4 solutions at 75°C containing no ions (a), 10 g L−1 Fe2+ (b), and 10 g L−1 Fe3+ (c), and the corresponding circuit of the impedance spectrum (d).
| (a) |
| (b) |
| (c) |
| (d) |