Welding apparatus method for depositing wear surfacing material

Details Welding apparatus method for depositing wear surfacing material Welding apparatus method for depositing wear surfacing material

1985-12-18

1987-08-25

Paschall, M. H.

Electric heating

Metal heating

For deposition welding

219121PL, 219121P, 219121PW, 427 34, B23K 900

Patent

active

046894632

ABSTRACT:
The welding method may be used to lay down weld beads on metallic substrates with a narrow width of 0.125 inch and less. The process employs a plasma transferred arc and pulses the current delivered to the arc such that a wave form having at least a main amplitude and a lower auxiliary amplitude is provided. The powdered metal which is delivered is laid down in a series of overlapping weld deposits which solidify very rapidly and produce a fine grain structure.

REFERENCES:
patent: 3274371 (1966-09-01), Manz et al.
patent: 3519780 (1970-07-01), Potapievsky et al.
patent: 3803380 (1974-04-01), Ragaller
patent: 4142089 (1979-02-01), Lau et al.

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