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Abstract

In this research, the effect of electropolishing on the surface quality of the anodised/dyed aluminium foil was investigated. For this purpose, morphology and luminosity of the anodised/dyed foils as well as the electropolished/anodised/dyed ones were studied by optical microscopy, stereo microscopy, scanning electron microscopy, atomic force microscopy and Photoshop software. The results show that the median of Photoshop/histogram/blue colour for the electropolished/anodised/dyed foils (170–193) is more than the anodised/dyed foil (169). It is also found that electropolishing pretreatment reduces average roughness R_a of the anodised/dyed aluminium foils (from 11·22 to 2·30 nm).

Keywords

Aluminium Electropolishing Anodising Dyeing Luminosity

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Study on electropolished/anodised aluminium foil before and after dyeing

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