Figure 4.
(a) potentiodynamic polarization curves of 1#, 2#, 3#, 4# and 5# as-sprayed coatings in 3.5% NaCl solution, (b) potentiodynamic polarization curves of coatings before and after remelting, (c–g) the bode plots of 1#, 2#, 3#, 4# and 5# coatings in the 3.5 wt.% NaCl solution at 25 °C after 1 h of immersion, (h) the equivalent circuits of EIS for coatings in the 3.5 wt.% NaCl solution.