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Low-cost ultrasonic lamb-wave transducerTransducer propagates Lamb wave through thin aluminum sheet material. Model includes two elements that measure effects of damping and loading which, in turn, are indirectly equated to bond integrity. Transducer has been used to evaluate bond integrity of aluminum facing adhesively bonded to aluminum facing. Because of versatility, it is now possible to inspect many objects of different configurations that could not be reached with earlier transducers.
Document ID
19780000072
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Kammerer, C. C.
(Rockwell Intern. Corp.)
Date Acquired
August 9, 2013
Publication Date
June 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-16333
Accession Number
78B10072
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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