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Piezoceram



Property

Symbol & Unit

High Power Materials

High Sensitive Materials

PCM-40

PCM-41

PCM-80

PCM-50

PCM-51

PCM-55

DIELECTRICAL DATA

Permittivity

εT33o

1250

1400

1000

1700

1850

4900

Dielectric Loss Factor

tgδ[10-4]

40

40

20

180

190

220

Dielectric Loss Factor (at 400 V/mm)

tgδ (4) [10-4]

150

200

100

-

-

-

ELECTROMECHANICAL DATA

Coupling Factor

Kp

0,56

0.58

0.51

0.64

0.64

0.62

Coupling Factor

K31

0,32

0.34

0.30

0.36

0.37

0.39

Coupling Factor

K33

0,67

0.68

0.64

0.72

0.74

0.70

Piezoelectric Charge Constant

-d31 [10-12 C/N]

125

135

95

180

180

325

Piezoelectric Charge Constant

d33 [10-12 C/N]

290

315

225

385

405

630

Piezoelectric Voltage Constant

-g31 [10-3 Vm/N]

11.3

10.9

10.7

12.0

9.7

7.5

Piezoelectric Voltage Constant

g33 [10-3 Vm/N]

26.2

25.4

25.4

25.6

21.9

14.5

MECHANICAL DATA

Elastic Compliance

sE11 [10-12 m2/N]

13.4

14.1

11.5

16.6

16.2

15.8

Elastic Compliance

sE33 [10-12 m2/N]

17.0

17.9

13.5

19.1

18.7

18.7

Radial Frequency Constant

NEp [m/s]

2180

2220

2300

1980

1970

1980

Thickness Frequency Constant

NDt [m/s]

2050

2000

2080

1880

2040

2150

Transverse Frequency Constant

NE1 [m/s]

1560

1500

1690

1400

1420

1780

Longitudal Frequency Constant

ND3 [m/s]

1750

1700

1800

1400

1400

-

Mechanical Quality Factor

Qm

500

1400

1000

80

80

70

Density

ρ[103 kg/m3]

7.65

7.85

7.60

7.65

7.70

8.0

THERMAL DATA

Curie Temperature

Tc[°C]

325

290

315

360

340

170

  

Shape

Standard dimensions [mm]

Discs/Cylinders

Diameter

3 - 110

Thickness/Height (Pressing)

0.2 - 20

Thickness (Extruded sheet)

0.08 - 0.3

Rings

Outer Diameter

5 - 100

Inner Diameter

4 - 90

Thickness

0.2 - 20

Tubes

Outer Diameter

5 - 100

Inner Diameter

4 - 90

Thickness

0.2 - 20

Rectangular Plates

Length

3 - 120

Width

2 - 120

Thickness

0.2 - 20

Hemispheres /Focusing bowls

Outer Radius

4 - 60

Wall Thickness

1 - 8

  Frequency

  5%

  Outer Diameter

  0.1 mm

  Inner Diameter

  0.15 mm

  Thickness

  0.05 mm

  Permittivity

  10%



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