NCE 81 Material Properties
Property | Symbol | Units | Hard Material |
NCE81 | |||
Dielectric Constant (1 kHz) | KT3 | 1020 | |
Dielectric Loss Factor (1 kHz) | tanδe | 0.0017 | |
Dielectric Loss Factor (at 0.4V/mm) | tanδe | 0.006 | |
Density | ρ | kg/m3 | 7730 |
Curie Point | Tc | °C | 300 |
Mechanical Quality Factor | Qm | 1400 | |
kp | 0.56 | ||
k33 | 0.69 | ||
Coupling Coefficients | k31 | 0.31 | |
kt | 0.47 | ||
Piezoelectric Charge | d31 | Coul/N x 10-12 (or) | -100 |
Displacement Coefficient | d33 | m/V x 10-12 | 255 |
Piezoelectric Voltage Coefficient | g31 | -10.8 | |
Voltage Coefficient | g33 | V·m/N x 10-3 | 28 |
Np | 2300 | ||
Nt | 2130 | ||
Frequency Constants | Nta | Hz·m | |
N33 | |||
N31 | |||
Poisson's Ratio | Y | 22 | |
SE11 | 16 | ||
SE33 | 17 | ||
Elastic Constants Short Circuit | SE12 | x 10-12m2/N | -4.3 |
SE13 | -5.4 | ||
SE55 | 34.5 | ||
SE66 | 30.8 |