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The variable polarity plasma arc welding process: Its application to the Space Shuttle external tankThe technical history of the variable polarity plasma arc (VPPA) welding process being introduced as a partial replacement for the gas shielded tungsten arc process in assembly welding of the space shuttle external tank is described. Interim results of the weld strength qualification studies, and plans for further work on the implementation of the VPPA process are included.
Document ID
19830022750
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Nunes, A. C., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Bayless, O. E., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Jones, C. S., III (NASA Marshall Space Flight Center Huntsville, AL, United States)
Munafo, A. P. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilson, W. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1983
Subject Category
Mechanical Engineering
Report/Patent Number
NASA-TM-82532
IR-1
NAS 1.15:82532
Accession Number
83N31021
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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