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Selection Properties
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- Time of issue:2021-11-23 10:19:07
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Selection of Piezo-ceramic Properties
|
Properties(unit) |
Power transducers |
Sensors |
Actuators |
|
Relative permittivity ετ33 /ε0 |
1,000 – 1,395 |
1,500 – 3,400 |
1,800 – 3,800 |
|
Loss factor tan δ |
1.6x10-3 |
12x10-3 |
15x10-3 |
|
3.0x10-3 |
20x10-3 |
16x10-3 |
|
|
Frequency constant NP( KHz⋅mm) |
2,120 – 2,320 |
1,975 – 2,050 |
1,960 – 2,010 |
|
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) |
24.6 – 27.1 |
22.7 – 33.1 |
20.2 – 28.5 |
|
Elastic compliance Se11, (10-12 m2/N) |
10.9 – 14.9 |
16.3 – 18.5 |
15.8 – 17.9 |
|
Elastic stiffness CD33, (1010N/m2) |
12.19 – 16.2 |
10.6 – 15.8 |
14.7 – 15.2 |
|
Density (g/cm2) |
7.50 – 7.70 |
7.65 – 7.80 |
7.70 – 7.83 |
|
Quality Qm |
500 – 1,200 |
60 – 90 |
75 – 80 |
|
Aging rate Cε, % |
-4.6 to -3.0 |
-2.3 to -0.3 |
- 1.6 to -0.8 |
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