Research Article
Anticorrosion Performance of LDH Coating Prepared by CO2 Pressurization Method
Figure 4
Morphologies of conversion coatings with various processes on AZ91D alloys: (a) unhandled-AZ91D, (b) CO2_24h, (c) CO2_2h/pH11.5_2h, and (d) CO2_3MPa_0.5h.