1-3-0 Connectivity piezoelectric composite with void

Details 1-3-0 Connectivity piezoelectric composite with void 1-3-0 Connectivity piezoelectric composite with void

1987-06-30

1988-03-01

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310357, H01L 4108

Patent

active

047288450

ABSTRACT:
A composite of PZT (lead zirconate titanate) and a compliant polymer having 1-3-0 connectivity is described. A polymer self-connected in all three mutually perpendicular directions with a void in the center has an array of parallel PZT rod elements embedded therein and extending through the void. The void isolates a region of the PZT rods from the polymer. The axes of the PZT rods are along the direction of the poling electric field. Such an arrangement significantly enhances the hydrostatic piezoelectric charge and voltage coefficients d.sub.h and g.sub.h.

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M. J. Haun and R. E. Newbam, "Experimental and Theoretical Study of 1-3 and -3-0 Piezoelectric PZT-Polymer Composites for Hydrophone Applications", Ferroelectrics, vol. 68 (1986), pp. 123-139 (attached).

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