HOT DIP ALLOYING METHOD FOR SURFACE OF AL OR AL ALLOY

PURPOSE:To form a sound alloyed layer for modifying the surface having a uniform structure on the surface of Al or an Al alloy. CONSTITUTION:At the time of subjecting the surface of Al or an Al alloy 1 to hot dip alloying by a hot wire TIG method, an AC TIG welding power source 5 is used, the ratio...

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Bibliographische Detailangaben
1. Verfasser:	MAKUCHI YUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR 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 FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PURPOSE:To form a sound alloyed layer for modifying the surface having a uniform structure on the surface of Al or an Al alloy. CONSTITUTION:At the time of subjecting the surface of Al or an Al alloy 1 to hot dip alloying by a hot wire TIG method, an AC TIG welding power source 5 is used, the ratio of the straight polarity components EN of a current wave shape to the reversed polarity components EP is regulated to the range of EN/EP=(90/10) to (50/50) and 5 to 50vol.% He is mixed to a shield gas. As a filler wire 7 for filling, a Cu alloy wire having