FLUXING AGENT PREPARATION AND METHOD FOR EFFECTING A SOLDER-FREE JOINING OF ALUMINUM OR ALUMINUM ALLOYS

摘要

The invention relates to a fluxing agent preparation comprising a fluxing agent for hard-soldering aluminum and comprising a solder former selected from the oxides of metals of the fourth major group or of the first or second subgroup of the periodic table. The invention also relates to methods for hard soldering aluminum while using said fluxing agent preparation.