High-Performance Materials for Piezo Applications
Piezoceramics
CeramTec has developed special high-performance materials for use in piezo technology. This is because piezoceramic components are often subjected to high loads and must nonetheless perform their tasks with the utmost reliability. With their diverse properties and application possibilities, the materials of the SONOX® brand are synonymous with the highest performance and maximum reliability in the world of sensors, actuators, and transducers.
CeramTec Piezoceramic Expertise
Performance Data
| Power Transducers | Sensor Applications | Actuator Applications | |
|---|---|---|---|
| Relative permittivity ε33 T/ε0 | 1,000 – 1,395 | 1,500 – 3,400 | 1,800 – 3,800 |
| Loss factor tan σ | 1.6x10⁻³ – 3.0x10⁻³ | 12x10⁻³ – 20x10⁻³ | 15x10⁻³ – 16x10⁻³ |
| Coupling factor kP | 0.54 – 0.58 | 0.59 – 0.62 | 0.65 |
| Charge constant d33 10⁻¹² C/N | 240 – 315 | 390 – 620 | 475 – 680 |
| Voltage constant g33 10⁻³ Vm/N | 500 – 1,200 | 22.7 – 33.1 | 20.2 – 28.5 |
| Quality factor Qm | 500 – 1,200 | 60 – 90 | 75 – 80 |
