FLUX FOR BRAZING ALUMINUM MATERIALS

The present invention provides a flux for brazing aluminum-based materials, the flux being capable of brazing an A5052 alloy or the like containing 1.5 wt% or more of magnesium even when an Al-Si eutectic alloy (Si content: 7 to 12 wt%; A4343 alloy, A4047 alloy; melt starting temperature: about 577...

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1. Verfasser:	NAGAE, TAKAHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention provides a flux for brazing aluminum-based materials, the flux being capable of brazing an A5052 alloy or the like containing 1.5 wt% or more of magnesium even when an Al-Si eutectic alloy (Si content: 7 to 12 wt%; A4343 alloy, A4047 alloy; melt starting temperature: about 577 to 615°C) is used as a brazing material. Specifically, the present invention provides a flux for brazing aluminum-based materials, comprising, expressed in mol%, 20 mol%‰¤CsF‰¤49 mol%, 1 mol%‰¤LiF‰¤58 mol%, 19 mol%‰¤AlF 3 ‰¤41 mol%, and 0 mol%