PZT4 & 8 Materials (Hard PZT) Technical Data (Typical Values) PEP Products Property Dielectric Constant (1kHz) Dielectric Loss Factor (1kHz) Density Curie Point Mechanical Quality Factor Coupling Coefficients Piezoelectric Charge (Displacement Coefficient) Piezoelectric Voltage Coefficient (Voltage Coefficient) Frequency Constants Elastic Constants Short Circuit Elastic Constants Open Circuit Elastic Constants Short Circuit Elastic Constants Open Circuit 1-1 Symbol Units Material Type T K3 tanδe ρ Tc Qm kp k33 k31 k15 d31 d33 d15 g31 g33 g15 Nr Ntr NH SE11 SE33 SD11 SD33 YE11 YE33 YD11 YD33 g/cm3 ºC Coul/N x 10-12 (or) m/V x 10-12 V·m/N x 10 -3 Hz·m x 10-12m2/N x 10-12m2/N x 1010N/m2 x 1010 N/m2 K1000 1000 0.004 7.55 325 1000 0.51 0.62 0.29 0.58 -95 230 325 -10.7 26.0 36.7 2290 1980 1065 K1100 1100 0.004 7.55 325 600 0.51 0.62 0.30 K1450 1450 0.012 7.55 320 350 0.57 -100 230 340 -10.3 23.6 34.9 2280 1970 1050 K1300 1300 0.005 7.55 325 500 0.55 0.69 0.32 0.67 -120 280 350 -10.4 24.3 30.4 2230 1960 1040 11.5 13.5 10.5 12.3 8.7 7.4 9.5 8.1 11.5 13.5 10.5 13.5 8.7 7.4 9.5 7.4 12.5 16.7 11.2 8.7 8.0 6.0 8.9 11.5 12.5 0.32 -130 350 -10.1 30.4 2080 1000 11.2 8.0 8.9 October 26,2015