COMPONENTS COATED WITH AN ALUMINIUM-SILICON ALLOY

摘要

The invention relates to components consisting of aluminium or aluminium alloys. A coating consisting of an aluminium-silicon alloy can be deposited on said components by applying alkali-metal hexafluorosilicate and by heating the same. The alloy layer is effectively protected against re-oxidation by a non-corrosive potassium fluoroaluminate layer which forms simultaneously.