HIGH STRENGTH ALUMINIUM ALLOY BRAZING SHEET, BRAZED ASSEMBLY AND METHOD FOR PRODUCING SAME

The present invention a high strength aluminium alloy brazing sheet, comprising an AI-Zn core layer (1) and at least one clad layer (2), the core layer (1) comprising the following composition (in weight percent): Zn 1.2 to 5.5 Mg 0.8 to 3.0 Mn 0.1 to 1.0 Cu < 0.2 Si < 0.35 Fe < 0.5 optiona...

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Bibliographische Detailangaben
Hauptverfasser:	BUERGER, ACHIM, HASZLER, ALFRED JOHANN PETER, BENEDICTUS, RINZE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALLOYS BLASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION FERROUS OR NON-FERROUS ALLOYS HEAT EXCHANGE IN GENERAL HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention a high strength aluminium alloy brazing sheet, comprising an AI-Zn core layer (1) and at least one clad layer (2), the core layer (1) comprising the following composition (in weight percent): Zn 1.2 to 5.5 Mg 0.8 to 3.0 Mn 0.1 to 1.0 Cu < 0.2 Si < 0.35 Fe < 0.5 optionally one or more of: Zr < 0.3 Cr < 0.3 V < 0.3 Ti < 0.2 Hf < 0.3 Sc < 0.5, the balance aluminium and incidental elements and impurities, the clad layer comprising an Al-Si based filler alloy and being applied on at least one side of the core layer. The invention relates furthermore to a brazed assembly comprising such brazing sheet, to the use of such brazing sheet and to method for producing an aluminiurn alloy brazing sheet.