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. 2021 Mar 12;26(6):1558. doi: 10.3390/molecules26061558

Figure 4.

Figure 4

(a) Polarisation curves of samples in different corrosion times in 3.5 w.t.% NaCl solution; (b) Nyquist plots of the original sample and the superhydrophobic sample in a 3.5 wt.% NaCl solution; (c) bode plots of the impedance spectrum of the original sample and the superhydrophobic sample in a 3.5 wt.% NaCl solution; (d) equivalent circuit diagram.