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This paper investigates SH waves reflection in the PMN-PT piezoelectric half space. The PMN-PT piezoelectric crystals are being polarized along [011]c of the cubic reference directions so that the effective macroscopic symmetries is mm2. The surface of the PMN-PT piezoelectric half spaces is mechanically free, and the electric boundary conditions are electrically open and shorted. The results show...
This paper investigates the thickness-twist waves propagating in an infinite piezoelectric-piezomagnetic bi-material plate. The upper and lower surfaces of the plate are assumed to be mechanically free, electrically open and magnetically closed. The exact solutions of the thickness-twist waves are derived. As an example, for the propagation of the thickness-twist waves in the bi-material plate consisting...
This paper has studied the frequency band characteristics of the piezoelectric/piezomagnetic layered periodic composites. Both piezoelectric and piezomagnetic materials are assumed to be transversely isotropic. The displacement transfer coefficients of all the scattered waves are calculated by the transfer matrix and the stiffness matrix methods. Numerically calculated results show that the band structures...
This paper, investigates the dispersion characteristics of shear horizontal (SH) surface waves propagating in a piezoelectric (PE) layer imperfectly bonded on a piezomagnetic (PM) half-space. Both the layer and half-space possess the hexagonal symmetry. The so-called shear-lag model is used to describe the interfacial property. The surface of the PE layer is traction-free, electrically closed and...
The electro-elastic interaction of a piezoelectric screw dislocation with interface is considered. The surface of layers is assumed to be mechanically free and electrically open. The electro-elastic fields have been given explicitly by using the perturbation concept and the method of Laurent series expansion. Based on the derived solutions, numerical examples are given to illustrate the influences...
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