METHOD FOR PRODUCING A METAL SHEET HAVING ZN-AL-MG COATINGS, COMPRISING THE APPLICATION OF AN ACID SOLUTION AND AN ADHESIVE, AND CORRESPONDING METAL SHEET AND ASSEMBLY.

摘要

The method comprises at least the following steps: providing a steel substrate (3) having two faces (5) that are coated by quenching the substrate (3) in a bath, applying an acid solution having a pH of between 1 and 4 to the outer surfaces (15) of the metal coatings (7); and applying an adhesive (13) locally on at least one outer surface (15) of a metal coating (7).