Abstract
With the universal test machine and temperature test chamber, the effect of pressure and temperature on the behavior of 1–3 and 1-3-2 piezocomposites prepared with PZT/epoxy in our lab has been investigated through electrical impedance and dielectric analysis. The permittivity, resonant frequency and dielectric loss of the composites have been measured under vertical stress and temperature, and the variety of the material properties under pressure and temperature could also be obtained. The pressure and temperature stability of the composites have been assessed through experiments. The data of these two types of composites indicated that the stability of 1-3-2 composite with pressure was better than that of 1–3 composite, and two composites have almost the same dielectric stability with temperature. However, 1-3-2 composite showed slower frequency variation than 1–3 composite.
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Project supported by the National Natural Science Foundation of China (No.60871038), the Beijing Natural Science Foundation (No.4092014) and Foundation of PHR(IHLB).
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Wang, L., Wan, Y., Li, L. et al. Investigation on stability of PZT/epoxy piezocomposite with pressure and temperature. Acta Mech. Solida Sin. 22, 226–231 (2009). https://doi.org/10.1016/S0894-9166(09)60269-X
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DOI: https://doi.org/10.1016/S0894-9166(09)60269-X