Material Properties • NCE 40
Property | Symbol | Units | Hard Material |
NCE40 | |||
Dielectric Constant (1 kHz) | KT3 | 1250 | |
Dielectric Loss Factor (1 kHz) | tanδe | 0.0025 | |
Dielectric Loss Factor (at 0.4V/mm) | tanδe | 0.014 | |
Density | ρ | kg/m3 | 7750 |
Curie Point | Tc | °C | 318 |
Mechanical Quality Factor | Qm | 700 | |
kp | 0.58 | ||
k33 | 0.70 | ||
Coupling Coefficients | k31 | 0.35 | |
kt | 0.50 | ||
Piezoelectric Charge | d31 | Coul/N x 10-12 (or) | -140 |
Displacement Coefficient | d33 | m/V x 10-12 | 320 |
Piezoelectric Voltage Coefficient | g31 | -12 | |
Voltage Coefficient | g33 | V·m/N x 10-3 | 27.5 |
Np | 2160 | ||
Nt | 1980 | ||
Frequency Constants | Nta | Hz·m | |
N33 | |||
N31 | |||
Poisson's Ratio | Y | ||
SE11 | 13 | ||
SE33 | 17 | ||
Elastic Constants Short Circuit | SE12 | x 10-12m2/N | -3.4 |
SE13 | -5.4 | ||
SE55 | 34.5 | ||
SE66 | 31.5 |