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Fluxless Brazing of Large Structural PanelsFluxless brazing is used in fabricating aluminum structural panels that withstand high internal pressure. Aluminum sheet of structural thickness with 4045 aluminum/silicon-braze-alloy cladding is brazed to corrugated "fin stock" having channels 0.001 inch (0.03mm) high by same width. Process is carried out in an inert (argon) atmosphere in a retort furnace. Filler bars are used in some channels to prevent fin stock from collapsing as pressure is applied.
Document ID
19810000100
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Beuyukian, C. S.
(Rockwell International Corp.)
Date Acquired
August 11, 2013
Publication Date
September 1, 1982
Publication Information
Publication: NASA Tech Briefs
Volume: 6
Issue: 1
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LAR-12519
Accession Number
81B10100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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