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DISSIMILAR METAL WELDING METHOD AND DISSIMILAR METAL JOINED BODY
DISSIMILAR METAL WELDING METHOD AND DISSIMILAR METAL JOINED BODY
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机译：异种金属焊接方法及异种金属接合体
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摘要
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.
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