WELDING AUXILIARY MATERIAL

The invention provides a welding auxiliary material for producing welded joints between refractory metal parts of high-wattage electric light sources. According to the invention, the welding auxiliary material (1) has a porous-structure surface layer (1a) sintered from a refractory metal powder havi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGY, JANOS, BUSAI, GYULA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC INCANDESCENT LAMPS ELECTRICITY MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention provides a welding auxiliary material for producing welded joints between refractory metal parts of high-wattage electric light sources. According to the invention, the welding auxiliary material (1) has a porous-structure surface layer (1a) sintered from a refractory metal powder having a melting point above 2000 DEG C.