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Selection Properties

Selection Properties

  • Categories:Material
  • 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( KHzmm)

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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