One-Step Anodization/Sol-Gel Deposition of -Doped Silica-Zirconia Self-Healing Coating on Aluminum
Figure 5
Photographs of samples after salt spray test: (a) after 48 hours—bare aluminum substrate, (b) after 48 hours—dip coated substrate with 3 mm/s withdrawal speed, and (c) after 400 hours—electrolytically deposited substrate.
