Coated electrode for arc welding

Details Coated electrode for arc welding Coated electrode for arc welding

1986-09-08

1989-02-14

Goldberg, E. A.

Electric heating

Metal heating

Weld rod structure

21914652, B23K 3524

Patent

active

048048186

ABSTRACT:
Disclosed is an electrode comprising a base rod and a hard coating, or a base wire which is coated with a powder or metallic coating of aluminum and optionally of hard coating material that adheres to the electrode and forms a partial pressure of arc activated reactive conductive gas agent in the shielding gas envelope surrounding the arc; and further acts as: an inert agent to shield volatile contaminants; a modifier of the shielding gas envelope's electrical properties; and a heat distributor in the area of the weld puddle by condensation in moisture or oil contaminated environment arc welding.

REFERENCES:
patent: 2544000 (1951-03-01), Wasserman
patent: 2909648 (1959-10-01), Landis et al.
patent: 4205218 (1980-05-01), Fukami et al.
patent: 4220487 (1980-09-01), Andersen

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