A8.4 - Modelling and Characterization of Piezoelectric 1-3 Fiber Composites

R. Steinhausen, Ch. Pientschke, S. Kern & H. Beige
Piezoelectric composite materials have a high potential for ultrasonic transducers due to their high coupling coefficients and a low acoustic impedance. In dependence on the ratio of piezoelectric active material in the polymer matrix the acoustic properties of the composite can be varied in a wide range. Commercial composites were usually prepared by the dice-and-fill-technology. Thin slices were sawn into a bulk ceramic plate. The diced structure is filled by an epoxy resin. After curing...