NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
Foil Patches Seal Small Vacuum LeaksReport discloses technique to patch holes in nickel-alloy rocket-engine nozzle parts prior to vacuum brazing. Technique involves lightly spot-welding nickel foil 0.002 in. thick over hole patched, then spot-welding corrosion-resistant steel foil of same thickness over nickel foil. Once patches subject to pressure and temperature of vacuum brazing, nickel foil diffuses to bond with nickel-alloy nozzle, making vacuum-tight seal.
Document ID
19950070453
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Spiegel, Kirk W. (Rockwell International Corp.)
Reed, David W. (Rockwell International Corp.)
Date Acquired
August 16, 2013
Publication Date
November 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 11
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-30047
Report Number: MFS-30047
ISSN: 0145-319X
Accession Number
95B10632
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.

Related Records

There are no records associated with this record.
No Preview Available