ALUMINIUM SOLDER ALLOY FREE FROM PRIMARY SI PARTICLES AND METHOD FOR PRODUCTION THEREOF

The invention relates to an ingot consisting of an aluminium solder alloy having in percentage by weight 4.5%≦Si≦12%; and optionally one or more of the following alloying constituents in percentage by weight: Ti≦0.2%, Fe≦0.8%, Cu≦0.3%, Mn≦0.10%, Mg≦2.0%, Zn_23 0.20%, Cr≦0.05%, with the remainder alu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DROSTE, Werner, KUHNKE, Katrin, JANSSEN, Hartmut, GRÜN, Gerd-Ulrich
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PUNCHING METAL ROLLING OF METAL SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to an ingot consisting of an aluminium solder alloy having in percentage by weight 4.5%≦Si≦12%; and optionally one or more of the following alloying constituents in percentage by weight: Ti≦0.2%, Fe≦0.8%, Cu≦0.3%, Mn≦0.10%, Mg≦2.0%, Zn_23 0.20%, Cr≦0.05%, with the remainder aluminium and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %, wherein boron is additionally provided as an alloying constituent, wherein the boron content is at least 100 ppm and the aluminium alloy is free from primary Si particles having a size of more than 20 μm. The invention further relates to an aluminium alloy product consisting of an aluminium alloy, to an ingot consisting of an aluminium alloy and to a method for producing an aluminium alloy.