BRAZING METHOD BETWEEN ALUMINUM-BASED METAL AND DIFFERENT METAL

PROBLEM TO BE SOLVED: To provide a method of joining an aluminum-based alloy (e.g. A1070, A6061) containing a pure aluminum to a metal of various kinds of different materials (e.g. stainless steel), which is inexpensively executed and can obtain excellent strength and leak resistance. SOLUTION: In a...

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1. Verfasser:	FUKAI TAKU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of joining an aluminum-based alloy (e.g. A1070, A6061) containing a pure aluminum to a metal of various kinds of different materials (e.g. stainless steel), which is inexpensively executed and can obtain excellent strength and leak resistance. SOLUTION: In a brazing method for brazing the aluminum-based alloy (containing pure aluminum) 2 with a metal of various kinds of different materials (e.g. SUS304, SS400) by using an aluminum-silicon-based (Al-Si) brazing material, the joining surface of the metal of different kinds of materials is subjected to coating processing 3 of nickel-boron (Ni-0.1-10 wt.% B) as surface treatment, and then brazing is performed by using the aluminum-silicon-based (Al-Si) brazing material 4 containing a silicon of 0.1-15 wt.%. COPYRIGHT: (C)2004,JPO