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Electrical properties of high temperature 1-3 composites
| Parameter | PZT (0%)a | PZT (4%) | PZT (12%) | PZT (20%) |
|---|---|---|---|---|
| Dielectric permittivity | 900 | 900 | 940 | 950 |
| Dielectric loss | 1.0% | 1.0% | 1.0% | 1.0% |
| d33 (pC/N) | 310 | 310 | 310 | 310 |
| kt (k33) | 57% | 57% | 57% | 57% |
| Z (Mrayl) | 20 | 20 | 21 | 22 |
| Qmb at RT | 45 | 45 | 50 | 50 |
| Qm at 250°C | 30 | 30 | 25 | 25 |
PZT (x%) means epoxy with x vol% glass spheres.
Qm is the mechanical quality factor.
