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. 2019 Feb 25;12(4):682. doi: 10.3390/ma12040682

Figure 2.

Figure 2

Figure 2

Scanning electron microscopy (SEM) micrographs of the studied samples: (a) bare Al (b) commercial resin-coated Al, (c) TiO2-coated Al, (d) Al2O3-coated Al, in the condition of as-deposited; (e) bare Al, (f) commercial resin-coated Al, (g) TiO2-coated Al, (h) Al2O3-coated Al in the condition after corrosion process. Here, the corrosion time of the samples was of 10 min.