B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/45
B23K 9/04 (2006.01) B23K 35/32 (2006.01)
Patent
CA 1267939
Abstract of the Disclosure 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.
501684
Bereskin & Parr
Sermatech International Inc.
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