Journal
LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES
Volume 11, Issue 13, Pages 2483-2496Publisher
LATIN AMER J SOLIDS STRUCTURES
DOI: 10.1590/S1679-78252014001300009
Keywords
Piezoelectric; Shear wave; dispersion equation; volume fraction; PVDF
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The propagation behavior of shear wave in piezoelectric composite structure is investigated by two layer model presented in this approach. The composite structure comprises of piezoelectric layers of two different materials bonded alternatively. Dispersion equations are derived for propagation along the direction normal to the layering and in direction of layering. It has been revealed that thickness and elastic constants have significant influence on propagation behavior of shear wave. The phase velocity and wave number is numerically calculated for alternative layer of Polyvinylidene Difluoride (PVDF) and Lead Zirconate Titanate (PZT-5H) in composite layered structure. The analysis carried out in this paper evaluates the effect of volume fraction on the phase velocity of shear wave.
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