Effect of Low Electric Field Polarization Condition on Properties of Cement-based Piezoelectric Ceramic Composite

0-3 Cement-based Piezoelectric Composite (CPC) made of Lead Zirconate Titanate (PZT) powder-cement was produced using PZT at 50% by volume. The compacted method produced the composites with a pressure of 80 MPa. Considering several low electric field potentials in the polarization process, such as a more controlled and homogeneous polarization, the polarization process was carried out using a low electrical field with a certain duration: 250 V/mm-40 minutes (C1), 250 V/mm-60 minutes (C2), 375 V/mm-40 minutes (C3), and 375 V/mm-60 minutes (C4). SEM and XRD results show that the Pb, CaCO₃, C-S-H, and C-H were detected in the CPC, making the composites denser. The d₃₃ value increases as the electric field magnitude and polarization duration increase. The d₃₃ values of C1, C2, C3, and C4 on day 30 were 4.63 pC/N, 4.60 pC/N, 4.67 pC/N, and 4.87 pC/N, respectively. C4 and C2 show the most significant values of ε_r, 87.33 and 75.42, respectively. The g₃₃ showed the opposite value of the ε_r. C1 and C3 showed the most significant values of 8.6x10^-3 Vm/N and 7.5x10^-3 Vm/N, respectively. Polarization can be carried out at low electric fields, but the degree of polarization is reasonably low. CPC is predicted to be used as a sensor even with a low level of sensitivity.