Resistance welding method

Details Resistance welding method Resistance welding method

1984-02-24

1986-12-30

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

2191171, B23K 1116

Patent

active

046330542

ABSTRACT:
A resistance welding method, including the steps of contacting electrodes to two parts to be welded together, faying the two parts at a location to be welded, and passing electrical current between the electrodes and through said location, wherein the improvement comprises, on the parts, a roughened surface means for decreasing heat generation where an electrode makes contact and a uniform coating means at the faying location, the coating means performing the function of generating heat to form a nugget without expulsion.

REFERENCES:
patent: 1770540 (1930-07-01), Lunn
patent: 3992602 (1976-11-01), Ashton
patent: 4365134 (1982-12-01), Eager et al.
patent: 4546229 (1985-10-01), Leone
Ashton et al, "An Arc-Cleaning Approach for Resistance Welding of Aluminum", Welding Journal (Sep. 1976) pp. 750-757.
Wu, "The Mechanism of Expulsion in Weldbonding of Anodized Aluminum", Welding Research Supplement (Aug. 1977), pp. 238--s-244--s.

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