Elastic waves in the anisotropic layer-substrate structure. II. Case of transversal isotropy

Sagittal wave fields in the plane of the transverse anisotropy of a hexagon al bicrystal layer-substrate structure have been analytically calculated. T he resonance effects arising in reflection of plane elastic waves and bound ed wave beams from the structure interface are studied in the vicinity of t he leaky eigenmode. The physical parameters of slightly divergent wave beam s providing the resonance excitation of a Rayleigh wave on the free surface of the layer and nonspecular reflection of the beam in the substrate are i ndicated.