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Multihole Arc-Welding OrificeModified 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.
Document ID
19890000576
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Swaim, Benji D. (Martin Marietta Corp.)
Date Acquired
August 14, 2013
Publication Date
November 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 11
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-28322
Accession Number
89B10576
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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