METHOD FOR PRODUCING A CORROSION PROTECTIVE COATING AND A COATING SYSTEM FOR SUBSTRATES MADE OF LIGHT METAL

摘要

A system and method for providing a coating for protecting a surface from corrosion are provided. The method involves providing a system of layers on a light metal or light metal alloy substrate. The system of layers includes a nonconductive layer adjacent the substrate, followed by a conductive layer, an intermediate layer, and an decorative external layer.