Method for pretreating the surfaces of weld parts of aluminum or alloys thereof and corresponding weld parts

Process for surface pretreatment of aluminum (Al) and Al alloy welded parts where before welding the parts are polished and then treated in an acidic aqueous solution of boron (B) and/or silicon (Si) and/or titanium (Ti) and/or zirconium (Zr) and/or hafnium (Hf) ions. An independent claim is include...

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Bibliographische Detailangaben
1. Verfasser:	DREXLER FRANK
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Process for surface pretreatment of aluminum (Al) and Al alloy welded parts where before welding the parts are polished and then treated in an acidic aqueous solution of boron (B) and/or silicon (Si) and/or titanium (Ti) and/or zirconium (Zr) and/or hafnium (Hf) ions. An independent claim is included for a welded Al or Al alloy part (claimed).