NASA NTRS · 19850005806
The Variable Polarity Plasma Arc Welding Process: Its Application to the Space Shuttle External Tank
Abstract
This report describes progress in the implementation of the Variable Polarity Plasma Arc Welding (VPPAW) process at the External Tank (ET) assembly facility. Design allowable data has been developed for thicknesses up to 1.00 in. More than 24,000 in. of welding on liquid oxygen and liquid hydrogen cylinders has been made without an internal defect.
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Nunes, A. C., Jr., Bayless, E. O., Jr., Wilson, W. A.. 1984-11-01. The Variable Polarity Plasma Arc Welding Process: Its Application to the Space Shuttle External Tank. https://ntrs.nasa.gov/citations/19850005806
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