Integrated piezoelectric ultrasonic receivers for laser ultrasound in non-destructive testing of metals

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DOIResolve DOI: http://doi.org/10.1007/s10921-010-0084-2
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TypeArticle
Journal titleJournal of Nondestructive Evaluation
ISSN0195-9298
Volume30
Issue1
Pages18; # of pages: 8
SubjectHigh temperature; Integrated ultrasonic transducers; Laser ultrasound; Longitudinal and shear waves; Non destructive testing; Plate acoustic waves; Acoustic transducers; Aluminum coatings; Nondestructive examination; Piezoelectricity; Shear waves; Transducers; Ultrasonic equipment; Ultrasonic measurement; Ultrasonic transducers; Ultrasonic waves; Ultrasonics; Shear flow
AbstractThick (>50 μm) piezoelectric films have been deposited directly on top of steel and aluminum substrates as integrated ultrasonic transducer (IUT) receivers to detect laser generated ultrasound. The film fabrication is based on a sol-gel spray technique. In this study IUTs intrinsically acting as bulk longitudinal wave receivers use various mode conversion approaches and serve as longitudinal, shear, symmetric, anti-symmetric and shear horizontal plate wave receivers. Different laser generation conditions such as point and line sources of different sizes are also applied to investigate the capabilities of IUT receivers. Ultrasonic measurements on metal substrates with planar and curved surfaces at temperature up to 400°C using laser generated and IUT ultrasound receiver are demonstrated. © 2010 Springer Science+Business Media, LLC.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21271734
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Record identifiereaaa7e27-774a-4626-9cec-a6bca167ea32
Record created2014-03-24
Record modified2016-05-09
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