ELECTROCONDUCTIVE SUPPORT MEMBER AND METHOD FOR MANUFACTURING SAME

A welding arm 10 includes a tip electrode 11, a holder 12, and a shank 20. The shank 20 serving as a conductive supporting member includes an outer portion 22 that includes a Cu matrix phase and a second phase dispersed in the Cu matrix phase and containing a Cu-Zr compound and that has an alloy com...

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Bibliographische Detailangaben
Hauptverfasser:	KATSUI, Hirokazu, MURAMATSU, Naokuni, NAKAJIMA, Takanari, GOTO, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A welding arm 10 includes a tip electrode 11, a holder 12, and a shank 20. The shank 20 serving as a conductive supporting member includes an outer portion 22 that includes a Cu matrix phase and a second phase dispersed in the Cu matrix phase and containing a Cu-Zr compound and that has an alloy composition represented by Cu-xZr (x is atomic% of Zr and 0.5 ¤ x ¤ 16.7 is satisfied) and an inner portion 21 that is present on an inner side of the outer portion 22, is formed of a metal containing Cu, and has higher conductivity than the outer portion 22.