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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JANSSEN, HARTMUT, SCHLUTER, STEFAN, BERMIG, GERHARD, EIGEN, NICO, SASS, VOLKER, SAS, VOLKER, MROTZEK, MANFRED
Format: Patent
Sprache:eng ; fre
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Beschreibung
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.