http://www.cnr.it/ontology/cnr/individuo/prodotto/ID214195
DETERMINATION OF VISCOELASTIC CONSTANTS OF THIN FILMS BY ACOUSTIC PLATE MODES (Contributo in atti di convegno)
- Type
- Label
- DETERMINATION OF VISCOELASTIC CONSTANTS OF THIN FILMS BY ACOUSTIC PLATE MODES (Contributo in atti di convegno) (literal)
- Anno
- 1991-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1109/ULTSYM.1991.234192 (literal)
- Alternative label
C. Caliendo (1), D. Fioretto (2), G. Socino (2), E. Verona (1) (1991)
DETERMINATION OF VISCOELASTIC CONSTANTS OF THIN FILMS BY ACOUSTIC PLATE MODES
in IEEE International Ultrasonics Symposium, Orlando, December 8-11, 1991
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- C. Caliendo (1), D. Fioretto (2), G. Socino (2), E. Verona (1) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=234192 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- Ultrasonics Symposium (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (1) Istituto di Acustica \"0.M.Corbino\" - CNR, Via Cassia 1216, 1-00189 Roma,
Italy
(2) Dipartbento di Fisica, Universith di Perugia, Perugia, Italy (literal)
- Titolo
- DETERMINATION OF VISCOELASTIC CONSTANTS OF THIN FILMS BY ACOUSTIC PLATE MODES (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
- Editors: McAvoy B.R. (literal)
- Abstract
- Viscoelastic properties of polymeric films supported by a piezcelectric
plate have been studied by means of acoustic plate modes
(APMs). A theoretical model is outlined, suitable for numerical
calculation of velocity dispersion and attenuation of both Lamb
and shear horizontal (SH) modes as a function of the complex
elastic moduli of the film. Measurements have been taken on
polymeric films deposited on a ST-cut quartz plate. Acoustic
modes have been excited and detected by interdigital transducers
(IDTs) positioned on the opposite surface of the plate. Two
pairs of IDTs have been used, one parallel and one orthogonal to
the x crystallographic direction of the plate, in order to generate
and detect Lamb and SH modes, respectively. Measurements
of phase velocity and attenuation of acoustic modes, enabled us
to determine elastic moduli and dynamic viscosity of the films.
The resulta obtained have shown to be consistent with those relative
to Brillouin Scattering measurements, taken from the same
samples. (literal)
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