TITLE

Stopband edges in the dispersion curves of Lamb waves propagating in piezoelectric periodical structures

AUTHOR(S)
Alippi, A.; Craciun, F.; Molinari, E.
PUB. DATE
November 1988
SOURCE
Applied Physics Letters;11/7/1988, Vol. 53 Issue 19, p1806
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The fractional volume dependence of stopbands in piezoelectric periodical composite plates has been studied experimentally by exciting the band-edge resonances. The frequency and symmetry of such modes below the thickness resonance of the plate are successfully interpreted in terms of a theoretical model which provides approximate dispersion curves of the lowest Lamb waves propagating in the composite plate.
ACCESSION #
9828729

 

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