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Vacuum Deposition From A Welding TorchProcess derived from arc welding produces films of high quality. Modified gas/tungsten-arc welding process developed for use in outer space. Welding apparatus in process includes hollow tungsten electrode through which inert gas flows so arc struck between electrode and workpiece in vacuum of space. Offers advantages of fast deposition, possibility of applying directional impetus to flow of materials, very low pressure at surface being coated, and inert environment.
Document ID
19930000300
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Poorman, R. M.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 16, 2013
Publication Date
May 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 5
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-28652
Accession Number
93B10300
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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