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Milder Etchant For Penetrant InspectionNew etching solution for chemical penetrant inspection of Inconel(R) 718 castings and weldments. Etchant does not introduce artifacts mistaken for defects. Applied by swabbing or by immersion. Used to detect unwanted residues of Nioro(R) (or equivalent) gold brazing alloy on type 347 stainless steel.
Document ID
19900000462
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
O'Tousa, Joseph E.
(Rockwell International Corp.)
Thomas, Clark S.
(Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
September 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 9
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-29645
Accession Number
90B10462
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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