Electric heating – Metal heating – By arc
Patent
1975-01-31
1976-12-21
Truhe, J. V.
Electric heating
Metal heating
By arc
219118, B23K 1500
Patent
active
039990311
ABSTRACT:
A method whereby defect-free welds can be produced in joining metallic members of dissimilar materials by electron-beam welding. The method consists in inserting one of the metallic members in openings formed in a metallic plate of the same material as the other metallic member and welding one metallic member to the metallic plate by providing a weld metal, providing by overlay welding on the weld metal a padding metal of a material substantially similar to that of the other metallic member but lower in oxygen content, effecting machining of the outer surface of the padding metal to form a faying surface, and joining by electron beam welding the faying surface of the padding metal to a faying surface formed on the other metallic member whereby the faying surfaces can be rigidly welded.
REFERENCES:
patent: 2985747 (1961-05-01), Kutchera
patent: 3582605 (1971-06-01), Lamatsch
patent: 3617685 (1971-11-01), Brill-Edwards et al.
patent: 3808395 (1974-04-01), Bailey et al.
Kita Hisanao
Nakazaki Takamitsu
Shida Tomohiko
Yonezawa Tatsuo
Hitachi , Ltd.
Peterson G. R.
Truhe J. V.
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