Research Article

Effect of Anodic Current Density on Characteristics and Low Temperature IR Emissivity of Ceramic Coating on Aluminium 6061 Alloy Prepared by Microarc Oxidation

Figure 2

Two SEM micrographs for the same sample after MAO treatment by (a) a month and (b) six months.
350931.fig.002a
(a)
350931.fig.002b
(b)