Advantage:
1. Good electro-optic properties
2. Excellent pyroelectric properties
3. High quality
Application:
1. medical ultrasound
2. non-destructive testing (NDT).
规范参数
| Properties | Unit | 001 PoolingLow PT(28%-30%PT) Higher PT(30%-33%PT) | ||
| Mechanical Properties | Density | (g/cc) | 8.1 | 8.1 |
| Poisson’s ratio | 0.32 | 0.32 | ||
| Elastic constant(S33E) | (10-12m2/N) | 40 | 50 | |
| Elastic constant(S33D) | (10-12m2/N) | 8.1 | 8.1 | |
| Piezoelectric properties | d33 | (PC/N) | 1100~1600 | 1600~2200 |
| d31 | (PC/N) | -600 | -800 | |
| Electromechanical coupling coefficient | (*K33) | 0.85~0.90 | 0.90~0.95 | |
| Curie temperature | (℃) | 148 | 148 | |
| Electrical performance | Dielectric constant | 3500~5000 | 4000~6000 | |
| Coercive field | (Kv/cm) | 3.0 | 2.5 | |
| Loss | tanō(%) | ＜0.5 | ＜0.9 | |