Abstract
The theoretical and experimental investigation on transparent solid/solid (Aluminum and Plexiglas) interface waves generated by a pulse laser and detected with a photo elastic effect technique is reported in this paper. Three waves, i.e., longitudinal head wave, Leaky Rayleigh wave and Leaky Interface wave are solved and discussed based on Riemann analysis, and the transient respond are simulate. In the experiment three interface waves are detected successfully; The Leaky waves propagating along the 'weak bonding' interface are also measured, it was found with the continue Epoxy solidifying, the wave amplitude gradually decrease and the two Leaky waves are more difficult to distinguish. The velocities and the transient respond of the detected interface wave are in good agreement with theoretical prediction.
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