ALUMINUM COMPOSITE MATERIAL HAVING A CORROSION PROTECTION LAYER
The invention relates to an aluminum composite material, comprising at least one core layer (4) having an aluminum core alloy and at least one corrosion protection layer (6) provided on the core layer (4). The aim of specifying an aluminum composite material having further improved corrosion resista...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The invention relates to an aluminum composite material, comprising at least one core layer (4) having an aluminum core alloy and at least one corrosion protection layer (6) provided on the core layer (4). The aim of specifying an aluminum composite material having further improved corrosion resistance, in particular to avoid coarse separations under corrosive conditions, is achieved in that the corrosion protection layer (6) has an aluminum alloy having the following composition in % by weight: Si = 0.10 %, Fe = 0.6 %, Cu = 0.2 %, 0.9 % = Mn = 1.2 %, Mg = 0.10 %, Cr = 0.3 %, Zn = 0.1 %, Ti = 0.1 %, remainder Al and unavoidable contaminants, individually at most 0.05 %, in total at most 0.15 %. The invention further relates to a method for producing an aluminum composite materia (2), to a use, and to a heat exchanger, or to a component of a heat exchanger. |
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