Narrow substrate having weld bead of powdered metal

Details Narrow substrate having weld bead of powdered metal Narrow substrate having weld bead of powdered metal

1986-03-06

1988-05-17

Paschall, M. H.

Electric heating

Metal heating

By arc

219 77, 219 7616, 219 7615, 219121PA, 219121P, B23K 900

Patent

active

047452560

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: 1635217 (1927-07-01), Kirchman
patent: 1784015 (1930-12-01), Lane et al.
patent: 1901654 (1933-03-01), Kerr
patent: 2299778 (1942-10-01), Wissler
patent: 2841687 (1958-07-01), Richter
patent: 3089945 (1963-05-01), Connoy et al.
patent: 3274371 (1966-09-01), Manz et al.
patent: 3860780 (1975-01-01), Conrad
patent: 4521664 (1985-06-01), Miller
Shielded Metal Arc Welding, pp. 140-145, Koellhoffer, Copyright 1983.

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