Boric Acid as an Accelerator of Cerium Surface Treatment on Aluminum

Figure 1

SEM images of aluminum conversion layers in cerium bath (0.1 g L⁻¹) at different concentrations of accelerator (boric acid); (a) 0, (b) 0.1, (c) 0.5, and (d) 1 g L⁻¹.

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(b)

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