Abstract
The hydrostatic piezoelectric charge coefficients ( d h) and hydrostatic piezoelectric voltage coefficients ( g h) of 1–3 PZT/polymer composites have been calculated by two equations containing the stress tensors of each element. A composite model is divided into 162 elements, and the stress distributions are computed under 0.7 MPa hydrostatic pressure using the finite-element method. The higher d h value is found for the composite with 30.9% PZT and the higher g h value for the composite with 19.8% PZT.
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