NASA NTRS · 19890000576
Multihole Arc-Welding Orifice
Abstract
Modified orifice for variable-polarity plasma-arc welding directs welding plume so it creates clean, even welds on both Inconel(R) and aluminum alloys. Includes eight holes to relieve back pressure in plasma. Quality of welds on ferrous and nonferrous alloys improved as result.
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Swaim, Benji D.. 1989-11-01. Multihole Arc-Welding Orifice. https://ntrs.nasa.gov/citations/19890000576
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