Welding design for plated, dissimilar metals

Details Welding design for plated, dissimilar metals Welding design for plated, dissimilar metals

1990-09-24

1992-08-04

Evans, Geoffrey S.

Electric heating

Metal heating

For bonding with pressure

B23K 1120

Patent

active

051361353

ABSTRACT:
A method of welding two dissimilar metals of substantially different melting temperatures by passing an electric current through an interface created by biasing a projection located on the higher melting point metal into intimate contact with a surface located on the lower melting point material. The electrical current substantially liquifies a portion of only the second metal so that the projection is not substantially deformed by the welding operation.

REFERENCES:
patent: 2883518 (1959-04-01), Zabka et al.
patent: 2937262 (1960-05-01), Baxter
patent: 4203020 (1980-05-01), Armbruster et al.
patent: 4273983 (1981-06-01), Ogawa et al.
patent: 4480166 (1984-10-01), Leech
patent: 4494029 (1985-01-01), Hoshino et al.
patent: 4591687 (1986-05-01), Urech
patent: 4995551 (1991-02-01), MacKay
The Welding Journal, Mar. 1949, pp. 243-246, "Silver Alloy Brazing Beryllium-Copper Alloys".

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