Glass-like CexOy sol-gel coatings for corrosion protection of aluminium and magnesium alloys

► New glass-like CexOy coatings for active corrosion protection of Al and Mg alloys. ► Scale up of sols and deposition by automated spray completed with organic paints. ► Suitable protection of complete system confirmed by standard corrosion tests. ► Eco-friendly CexOy coatings are promising candidates to replace chromium coatings.