TREATMENT OF A SURFACE OF AN ALUMINUM OR ALUMINUM-CONTAINING COMPONENT

摘要

The invention relates to a method for treating the surface of aluminum components or components comprising aluminum, comprising anodizing the surface; introducing at least one pigmenting substance, and/or oxidizable substance into depressions or pores open on the surface created by the anodizing process; applying a ceramic thin-film coating or siliceous sol-gel coating onto the surface, wherein the ceramic thin-film coating or the sol-gel coating comprises a pigment particularly serving refraction purposes.