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Locating tube blockage that X-ray cannot detectAlternate choices to X-ray use in detecting foreign materials in metal assemblies are available, including negative radiography, neutron radiography, liquid-crystal inspection and ultrasonics. Advantages and disadvantages of each method are given. Report is valuable in testings and inspections, including heat exchangers and piping systems.
Document ID
19710000128
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hendron, J. A. (AEROJET-GEN. CORP.)
Date Acquired
August 6, 2013
Publication Date
May 1, 1971
Subject Category
Mechanics
Report/Patent Number
NUC-10386
Report Number: NUC-10386
Accession Number
71B10129
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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