Soldering flux for soldering aluminium
AssigneeBehr GmbH & Co.
InventorsPeter Englert, Wolfgang Heeb, Wolfgang Knodler
Life of this patent
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Abstract
The invention relates to a soldering flux based on potassium fluoroaluminates, wherein the zirconium fluoride and/or titanium fluoride is added to the soldering flux. The invention also relates to a corresponding soldering method.
Claims10
A soldering flux for soldering aluminum, based on potassium fluoroaluminates, characterized in that zirconium fluoride and/or titanium fluoride is added to the soldering flux.
The soldering flux as claimed in one of the preceding claims, characterized in that boron and/or an oxidic and/or fluoridic compound thereof is added to the soldering flux.
The soldering flux as claimed in one of the preceding claims, characterized in that manganese and/or an oxidic and/or fluoridic compound thereof is added to the soldering flux.
The soldering flux as claimed in one of the preceding claims, characterized in that silicon and/or an oxidic and/or fluoridic compound thereof is added to the soldering flux.
The soldering flux as claimed in one of the preceding claims, characterized in that rhenium and/or an oxidic and/or fluoridic compound thereof is added to the soldering flux.
The soldering flux as claimed in one of the preceding claims, characterized in that the further additive(s) in each case form(s) 0.1 to 10% by weight, in particular 0.5 to 3% by weight, of the soldering flux.
A soldering process, in particular for soldering aluminum, characterized by the use of the soldering flux as claimed in one of the preceding claims.
Dependencies are inferred from the claim text.