Laser-ultrasonic characterization of a zinc layer on a steel substrate using surface accoustic waves

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DOIResolve DOI: http://doi.org/10.1063/1.1472932
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TypeArticle
Proceedings titleReview of Progress in Quantitative Nondestructive Evaluation: Volume 21
Series titleAIP Conference Proceedings; no. Vol. 615
ConferenceReview of Progress in Quantitative Nondestructive Evaluation, July 29-August 3 2001, Brunswick, ME USA
ISSN0094-243X
Pages12091214; # of pages: 6
Subjectsurface acoustic waves; velocity measurement; acoustic wave velocity; zinc; acoustic modeling
AbstractLaser-ultrasonics and acoustic modeling were used to characterize the Lame coefficients (λ, μ) density (ρ) and thickness (h) of a zinc layer on a steel substrate. This characterization is based on fitting the measured velocity dispersion curve of surface acoustic waves (SAW) on a dispersion curve calculated using the conjugates gradients algorithm. The velocity dispersion curve of the Rayleigh wave was calculated in the frequency range of 1–200 MHz and measurements were achieved from 5 to 50 MHz.
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PublisherAmerican Institute of Physics
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number21273119
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Record identifierf9a301d5-1fa4-466d-823d-f997172fd5f1
Record created2014-12-16
Record modified2016-05-09
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