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Welding Using Chilled-Inert-Gas PurgingReport describes study of fusion welding using chilled inert gas. Marked improvement shown in welding of aluminum using chilled helium gas. Chilling inert gas produces two additional benefits: 1) creation of ultradense inert atmosphere around welds; 2) chilled gas cools metal more quickly down to temperature at which metals not reactive.
Document ID
19950065569
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Mcgee, William F. (Martin Marietta)
Rybicki, Daniel J. (Martin Marietta)
Date Acquired
August 17, 2013
Publication Date
August 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 8
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-31010
Accession Number
95B10410
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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