Aluminum brazing proces

Process for soldering aluminum comprises carrying out a reducing plasma treatment of the aluminum surface, and soldering. An Independent claim is also included for a device for carrying out the above process comprising a process chamber for the plasma treatment connected to a soldering unit. Preferr...

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Bibliographische Detailangaben
Hauptverfasser:	JILG, RUEDIGER, TRAUTWEIN, INGO, ENGLERT, PETER
Format:	Patent
Sprache:	eng ; fre ; ger
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 soldering aluminum comprises carrying out a reducing plasma treatment of the aluminum surface, and soldering. An Independent claim is also included for a device for carrying out the above process comprising a process chamber for the plasma treatment connected to a soldering unit. Preferred Features: A plasma based on noble gases, nitrogen, hydrogen, alkyl-forming gases, fluorides and their mixtures and/or compounds is used as the process gas. The plasma treatment is carried out at a pressure of less than 2 x 104 Pa, preferably less than 104 Pa, especially less than 200 Pa. Die Erfindung betrifft ein Verfahren zum Löten von Aluminium, wobei eine reduzierende Plasmabehandlung der Oberfläche des Aluminiums durchgeführt und anschließend gelötet wird.