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Formerly Etalon - Piezo Technologies
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Piezo Tech is ISO 9001:2000 Certified. Certification No. C2006-02533.
Ultra High-Temperature Ceramic Provides Piezoelectric Stability in Extreme Environments
Piezo Technologies' new K-12 Ultra High-Temp Piezoelectric Ceramic is the most advanced material available for high-temperature applications. After more than two years of R&D, this new modified bismuth titanate material is set to advance the state of sensors, accelerometers, transducers, and more.
| K-12 PHYSICAL & ELECTRICAL PROPERTIES | ||
| Note: The above values are nominal. | ||
|
KT33 |
Free Dielectric Constant | 145 |
|
KS33 |
Clamped Dielectric Constant | 140 |
| k33 | Longitudinal Coupling Coefficient | 0.12 |
| k31 | Transverse Coupling Coefficient | 0.02 |
| k15 | Shear Coupling Coefficient | 0.075 |
| kt | Thickness Coupling Coefficient | 0.12 |
| kp | Planar Coupling Coefficient | 0.07 |
| d33 | Piezoelectric Strain Constant (x 10-12 m/V) | ≥12 |
| d31 | Piezoelectric Strain Constant (x 10-12 m/V) | -5 |
| d15 | Piezoelectric Strain Constant (x 10-12 m/V) | 10 |
| g33 | Piezoelectric Voltage Constant (x 10-3 Vm/N) | 9.4 |
| g31 | Piezoelectric Voltage Constant (x 10-3 Vm/N) | -4.0 |
| g15 | Piezoelectric Voltage Constant (x 10-3 Vm/N) | 6.7 |
|
sE33 |
Compliance at Constant Field (x 10-12 m2/N) | 9.5 |
| Qm | Mechanical Q (Thickness) | 200 |
| Qm | Mechanical Q (Radial) | 750 |
|
YE33 |
Young's Modulus at Constant Field (x 1010 N/m2) | 10.5 |
| D | Dissipation (factored at 1kHz) | 0.004 |
| Nt | Thickness Frequency Constant
(kHz-in) (Hz-m) |
89 2260 |
| Np | Planar Frequency Constant
(kHz-in) Planar Frequency Constant (Hz-m) |
96 2438 |
| ρ | Density (g/cm3) | 6.9 |
| ZA | Acoustic Impedance (Mega RayL) | 28.5 |
| Vs | Sound Velocity (m/sec) | 4100 |
| TC | Curie Temperature (°C) | 820 |
| CTE | Coefficient of Thermal Expansion
(x 10-6 in/in/°F) (20°C to 100°C) |
TBD |
| dave | Average Grain Size (mm) | 5 - 10 |