Electrode for the TIG welding process

Details Electrode for the TIG welding process Electrode for the TIG welding process

1984-03-12

1985-04-02

Envall, Jr., Roy N.

Electric heating

Metal heating

Weld rod composition

21914631, B23K 3500

Patent

active

045089558

ABSTRACT:
An electrode suitable for the TIG welding process, in which the welding arc produced by contact-less ignition between the tip of the electrode and the workpiece burns within an inert gas atmosphere and the application of the weld material is effected by a separately guided welding rod. In order to optimize the startability, the tungsten electrode has a thorium oxide content of 2-4% and a thorium-oxide particle size of 6-12 .mu.m.

REFERENCES:
patent: 3639161 (1972-02-01), Trattner et al.
patent: 3976853 (1976-08-01), Trattner et al.

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