IMPROVED FILLER WIRE FOR ALUMINUM ALLOY

PROBLEM TO BE SOLVED: To provide a welding filler wire improved for the purpose of fusion- welding 2195 aluminum and rithium. SOLUTION: The filler wire composition is composed of an aluminum-copper base alloy containing titanium and zirconium at high concentrations and contains >=0.25% zirconium...

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Bibliographische Detailangaben
Hauptverfasser:	CAROLINE K RUSSELL, GERALD W O BJOERKMAN JR, ALEX CHOO
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a welding filler wire improved for the purpose of fusion- welding 2195 aluminum and rithium. SOLUTION: The filler wire composition is composed of an aluminum-copper base alloy containing titanium and zirconium at high concentrations and contains >=0.25% zirconium or >=0.25% titanium. The addition of titanium and zirconium reduces the cracking sensitivity in aluminum alloy welding and imparts good mechanical welding properties. The addition of silver further improves the weldability of the welding filler wire. The reduced weld cracking sensitivity increases its repair weldability when smoothing is desired.