BRAZING SHEET AND METHOD FOR MANUFACTURING SAME

The present invention provides: a brazing sheet which offers favorable brazing properties during a brazing performed in an inert gas atmosphere, and with which it is possible to minimize material costs; and a method for manufacturing such a brazing sheet. This brazing sheet has: a core material that...

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Bibliographische Detailangaben
1. Verfasser:	ITOH YASUNAGA
Format:	Patent
Sprache:	chi ; 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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Beschreibung
Zusammenfassung:	The present invention provides: a brazing sheet which offers favorable brazing properties during a brazing performed in an inert gas atmosphere, and with which it is possible to minimize material costs; and a method for manufacturing such a brazing sheet. This brazing sheet has: a core material that has a chemical composition comprising at most 1.3 mass% of Mg with the remaining portion being Al and unavoidable impurities; an intermediate material that has a chemical composition comprising 0.40-6.0 mass% of Mg with the remaining portion being Al and unavoidable impurities, and that is laminated on the core material; and a brazing material that has a chemical composition comprising 6.0-13.0 mass% of Si, 0.0040-0.070 mass% of Bi, and 0.050-0.10 mass% of Mg with the remaining portion being Aland unavoidable impurities, and that is laminated on the intermediate material. This brazing sheet can be applied for use in brazing that is performed in an inert gas atmosphere or in a vacuum without using flux. 本发明提供一种钎焊板及