ALUMINIUM COMPOSITE MATERIAL FOR FLUX-FREE SOLDERING

摘要

The invention relates to the use of an aluminium composite material consisting of at least one aluminium core alloy and at least one external solder layer consisting of an aluminium solder alloy, provided on one or both sides of the aluminium core alloy. Starting from this prior art, the present invention addresses the problem of proposing a thermal joining method for an aluminium composite material such that the use of fluxes can be omitted. The problem is solved in that the aluminium solder layer of the aluminium composite material has a pickled surface and the aluminium composite material is used in a flux-free thermal joining method and the joining method is performed in the presence of a protective gas.