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Laser-Scan Ultrasonic/Thermographic Inspection SystemLaser ultrasonic/thermographic inspection system is conceptual instrument used in nondestructive inspection of large areas of structures for subsurface defects. For example, operated in field to examine aircraft and pressure vessels for hidden cracks. System would not require contact with inspected structure or use of ultrasonic-coupling medium. Instrument obtains data in ultrasonic and thermographic C-scans over structural surfaces with contours characterized by surface normal vectors varying by angles as large as 45 degrees.
Document ID
19960017835
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bar-Cohen, Yoseph
(Caltech)
Marzwell, Neville
(Caltech)
Chung, Tom
(TRW)
Carman, Greg
(California Univ.)
Date Acquired
August 17, 2013
Publication Date
February 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-19260
Accession Number
96B10045
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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