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Eddy-Current Detection of Cracks in TubesNondestructive device tests narrow, sharply-bent metal tubes. Eddycurrent probe detects incipient cracks inside small metal tubes. Tube-centering device consisting of pair of opposed bars ensures tube centered on eddy-current coil. Probe moves along length of bent tube to inspect repeatably for cracks. Compatible with tubes of different cross sections, oval, flattened, square, rectangular,or irregular. Adapts for inspecting formed tubes in petrochemical, automotive, nuclear, and medical equipment.
Document ID
19870000024
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Parent, R.
(Rockwell International Corp.)
Kettering, D.
(Rockwell International Corp.)
Date Acquired
August 13, 2013
Publication Date
January 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-29081
Accession Number
87B10024
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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