Welding electrode

Details Welding electrode Welding electrode

1985-07-08

1989-08-29

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219 84, B23K 3522

Patent

active

048619612

ABSTRACT:
Electrodes for use in electric resistance welding and a method of making such electrodes are disclosed. The electrodes are each shaped to define a tip surface for contact with a workpiece during welding. In one embodiment, each electrode comprises an electrode body of copper and a layer of titanium carbide on the body defining said tip surface. The titanium carbide layer is fused to the electrode body by a spark-fusion technique and forms a unitary electrode with the body. This form of electrode has been found advantageous in terms of minimizing "pick-up" of workpiece material during welding, and distortion of the electrode.

REFERENCES:
patent: 1176614 (1916-03-01), Stanley
patent: 2431334 (1947-11-01), Lambert
patent: 2629803 (1953-02-01), Bondley
patent: 3215811 (1965-11-01), Kroy et al.
patent: 3354290 (1967-11-01), Monroe et al.
patent: 3478189 (1969-11-01), Estes
patent: 3989923 (1976-11-01), Lees et al.

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