Fig. 5
From: Enhanced Corrosion Resistance of PVD-CrN Coatings by ALD Sealing Layers
Potentiodynamic and potentiostatic curves of the SUS304 substrate, SUS304 substrate coated with CrN, CrN-Al2O3, CrN-TiO2 and CrN-Al2O3/TiO2 in 3.5 wt. % NaCl solution: a potentiodynamic curves. b calculation value of the corrosion potential and corrosion current density. c potentiostatic curves. d schematic illustration of corrosion behavior of the pure CrN coating and hybrid coating