DISSIMILAR METAL WELDING METHOD AND DISSIMILAR METAL JOINED BODY

PROBLEM TO BE SOLVED: To provide a dissimilar metal welding method capable of enhancing robustness by suppressing welding cracking and to provide a high quality dissimilar metal joined body suppressing welding cracking.SOLUTION: After completing the first welding for emitting electron beam over the...

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Bibliographische Detailangaben
Hauptverfasser:	NEZAKI KOJI, OIWA NAOTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a dissimilar metal welding method capable of enhancing robustness by suppressing welding cracking and to provide a high quality dissimilar metal joined body suppressing welding cracking.SOLUTION: After completing the first welding for emitting electron beam over the whole periphery of the abutting part of the rotor shaft 2 of the turbocharger 1 and the turbine blade wheel 4 once, the second welding for emitting the electron beam is carried out over the whole periphery again by displacing the beam irradiation position.