Piezoelectric properties of 0-3 PZT/sulfoaluminate cement composites

A sulfoaluminate cement was, for the first time, used to fabricate 0-3 piezoelectric composites by a compressing technique. The dependences of the piezoelectric properties of composites on the content of PZT and poling conditions are discussed. The results show that the piezoelectric properties of composites are improved by increasing the poling field E and poling time t, but when E and t exceeded 4.0 kV mm−1 and 45 min, d33 tends to be constant. The piezoelectric constants and the electromechanical coupling coefficients Kp, Kt of composites increase rapidly with increasing the content of PZT. When the content of PZT reaches 85%, Kp and Kt are 28.54% and 28.19%, respectively.