Abstract

Transducers for the generation and detection of shear waves in solids have been developed. The transducers consist of arrays of ceramic bimorph bender elements arranged to propagate shear waves from the ends of the elements. The transducers have been used to measure shear-wave speed and attenuation in laboratory mixed kaolinite clays and carbonate clays having shear moduli as low as 1.7×102 dyn/cm2. Shear-wave speeds of 2 m/sec with attenuation of 496 dB/m have been measured over path lengths of 5 to 10 cm.

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