Research Article

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

Figure 9

Thickness of the AAO films on EN AW-7075 T73 after potentiostatic anodising in 0.4 M sulphuric acid formed by the micro-capillary technique at 0.3 V, 1.8 V, 3.8 V, and 10 V (solid circles) for 600 s and by conventional anodising of circular oxide areas 10 mm in diameter at 10 V for 1200 s and 3600 s (open circles) as a function of the transferred charge per area unit.