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Acid Test For Annealing Of WeldsSolution changes color if heat-treated condition lost. Simple test indicates whether welded joint retained its postweld heat-treated condition after reworking including rewelding and grinding. Test used instead of Rockwell or Brinell hardness tests when reworked surface inaccessible to hardness-testing apparatus or when small surface imperfections created by apparatus unacceptable.
Document ID
19890000578
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Deese, Gary E.
(Rockwell International Corp.)
Ellgass, Joseph P.
(Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
November 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 11
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29598
Accession Number
89B10578
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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