Compare Soft PZT Materials
Posted by Business Development Manager March 4th, 2016
Compare Soft PZT Materials
| Soft PZT |
| Symbols | Units | BM500 | BM527 | BM532 |
| Electrical | Navy Type II | Navy Type V | Navy Type VI |
| Relative Dielectric Constant | KT33 | --- | 1750 | 2750 | 3250 |
| Dissipation Factor | Tan δ | % | 1.6 | 2.0 | 2.0 |
| Piezoelectric | |
| Coupling Factor | kp | --- | 0.62 | 0.62 | 0.65 |
| k31 | --- | 0.37 | 0.37 | 0.39 |
| k33 | --- | 0.72 | 0.72 | 0.75 |
| Charge Constant | d31 | 10-12 C/N | -175 | -215 | -270 |
| d33 | 10-12 C/N | 365 | 500 | 590 |
| Voltage Constant | g31 | 10-3 V·m/N | -11.5 | -9.5 | -9.0 |
| g33 | 10-3 V·m/N | 25 | 22 | 20 |
| Mechanical Quality Factor | QM | --- | 80 | 70 | 70 |
| Frequency Constants2 | Np | Hz·m | 2050 | 2050 | 2000 |
| N1 | Hz·m | 1400 | 1400 | 1425 |
| N4 | Hz·m | 1800 | 1850 | 1850 |
| Mechanical | |
| Compliance | SE11 | 10-12 m2/N | 15.5 | 14.5 | 14.0 |
| SE33 | 10-12 m2/N | 19.0 | 19.5 | 20.0 |
| Density | ρ | g/cm3 | 7.65 | 7.6 | 7.65 |
| Curie Temperature | Tc | oC | 360 | 225 | 210 |
| Ageing Characteristics3 (% change/time decade) | |
| Coupling Factor | kp | --- | -0.5 | -1.0 | -1.0 |
| Relative Dielectric Constant | KT33 | --- | -1.0 | -1.0 | -1.0 |
| Frequency Constant | N4 | Hz·m | 0.5 | 1.0 | 1.0 |
