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The Variable Polarity Plasma Arc Welding Process: Its Application to the Space Shuttle External TankThis 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.
Document ID
19850005806
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Nunes, A. C., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Bayless, E. O., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilson, W. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 5, 2013
Publication Date
November 1, 1984
Subject Category
Mechanical Engineering
Report/Patent Number
NASA-TM-86482
NAS 1.15:86482
IR-2
Report Number: NASA-TM-86482
Report Number: NAS 1.15:86482
Report Number: IR-2
Accession Number
85N14115
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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