Research Article

Anodisation of Aluminium Alloys by Micro-Capillary Technique as a Tool for Reliable, Cost-Efficient, and Quick Process Parameter Determination

Figure 7

Cross section (left) and surface (right) of AAO films on EN AW-7075 T73 after potentiostatic anodising in 0.4 M sulphuric acid at (a, b) 0.3 V, (c, d) 1.8 V, (e, f) 3.8 V, and (g, h) 10 V; the AAO films are marked in the cross sections to clearly distinguish the protective coating on top (bars indicate 500 nm referring to identical magnification except for the twice enlarged inserts).
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