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Piezoceramic material

 

 

 

Four broad types of piezoelectric material are available

High power "Hard" material

High Sensitivity "Soft" Materials

High Dielectric constant "Soft" Materials

High Curie Point High Frequency Constants Materials

 

 

1.High power "Hard" material

Property

Symbol

Unites

Materal Type

P401

P402

P403

P801

P802

Dielectric constant(1KHz)

K3t

 

1240

1300

1320

1000

1550

Dielectric LossFactor(1KHz)

tanδe

%

0.40

0.45

0.45

0.32

0.35

Density

ρ

g/cm3

7.70

7.70

7.70

7.7

7.7

Curie Point

Tc

°C

310

312

315

320

315

Mechanical Quantity Factor

Qm

 

700

850

950

900

1250

Coupling Coefficients

Kp

 

0.59

0.62

0.61

0.58

0.62

K31

 

0.33

0.33

0.36

0.34

0.36

Kt

 

 

 

 

 

 

K15

 

 

 

 

 

 

K33

 

0.69

0.72

0.74

0.68

0.72

Piezoelectric Charge

d31

(pC/N)

-128

-148

-134

-140

-150

d33

(pC/N)

312

365

325

270

370

Piezoelectric Voltage Coefficient

g33

x10-3 Vm/N

23.8

32.0

27.8

29.5

26.5

Elastic Modulus

YE11

 

7.9

7.6

7.70

7.5

7.5

YE33

 

6.7

6.3

 

 

 

Frequency Constants Radial

Nr

KHz.cm

223

218

216

215

213

Resonant Thickness

Ntr

KHz.cm

2040

201

 

 

 

Elastic constants
Short Circuit

SE11

x10-12 m2/N

 

 

13.1

13.2

13.4

SE33

 

 

 

 

 

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2.High Sensitivity "Soft" Materials

Property

Symbol

Unites

Materal Type

P501

P502

P503

P504

P505

Dielectric constant(1KHz)

K3t

 

1900

1980

2300

2750

3300

Dielectric Loss Factor(1KHz)

tanδe

%

1.55

1.35

1.60

1.55

1.30

Density

ρ

g/cm3

7.70

7.75

7.70

7.70

7.7

Curie Point

Tc

°C

310

360

300

260

250

Mechanical Quantity Factor

Qm

 

70

80

65

65

65

Coupling Coefficients

Kp

 

0.66

0.66

0.63

0.65

0.68

K31

 

0.38

0.38

0.35

0.36

0.40

Kt

 

0.51

0.505

0.51

0.50

0.50

K15

 

 

 

 

 

 

K33

 

0.72

0.74

0.72

0.74

0.76

Piezoelectric Charge

d31

(pC/N)

198

200

-210

-238

-280

d33

(pC/N)

510

520

500

550

630

Piezoelectric Voltage Coefficient

g33

x10-3 Vm/N

30

30.5

24.5

22.2

21.0

Elastic Modulus

YE11

 

6.05

5.95

7.4

6.2

5.9

YE33

 

 

 

 

 

 

Frequency Constants Radial

Nr

KHz.cm

190

190

199

198

192

Resonant Thickness

Ntr

KHz.cm

202

205

201

207

208

Elastic constants
Short Circuit

SE11

x10-12 m2/N

16.6

17.0

 

 

 

SE33

 

 

 

 

 

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3.High Dielectric constant "Soft" Materials

Property

Symbol

Unites

Materal Type

P5H1

P5H2

P5H3

P5H4

P5H5

Dielectric constant(1KHz)

K3t

 

3800

4500

5000

5700

6700

Dielectric Loss Factor(1KHz)

tanδe

%

1.70

1.95

1.72

2.20

2.50

Density

ρ

g/cm3

7.75

7.7

7.75

7.85

7.85

Curie Point

Tc

°C

200

180

180

156

150

Mechanical Quantity Factor

Qm

 

58

60

60

44

40

Coupling Coefficients

Kp

 

0.74

0.71

0.65

0.69

0.66

K31

 

0.44

0.40

0.38

0.41

0.38

Kt

 

0.50

0.50

0.51

0.51

0.52

K15

 

 

 

 

 

 

K33

 

0.77

0.78

0.75

0.76

0.75

Piezoelectric Charge

d31

(pC/N)

-320

-298

-300

-338

-340

d33

(pC/N)

750

760

780

840

880

Piezoelectric Voltage Coefficient

g33

x10-3 Vm/N

21.3

17.5

17.2

16.5

15.5

Elastic Modulus

YE11

 

6.05

6.1

6.6

6.6

6.7

YE33

 

 

 

 

 

 

Frequency Constants Radial

Nr

KHz.cm

 

198

200

198

200

Resonant Thickness

Ntr

KHz.cm

 

190

195

196

195

Elastic constants
Short Circuit

SE11

x10-12 m2/N

16.5

 

15.2

15.1

15.0

SE33

 

 

 

 

 

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4.High Curie Point High Frequency Constants Materials

Property

Symbol

Unites

Materal Type

PN-1

PN-2

LN-1

PT-1

BT-1

Dielectric constant(1KHz)

K3t

 

215

360

130

160

1170

Dielectric Loss Factor(1KHz)

tanδe

%

0.7

0.7

2.0

0.8

0.70

Density

ρ

g/cm3

6.1

5.9

 

7.7

 

Curie Point

Tc

°C

560

450

340

450

 

Mechanical Quantity Factor

Qm

 

10

28

300

50

400

Coupling Coefficients

Kp

 

 

 

0.19

 

0.32

K31

 

 

 

0.11

 

 

Kt

 

0.42

0.40

0.42

0.44

 

K15

 

 

 

 

 

 

K33

 

 

 

 

 

 

Piezoelectric Charge

d31

(pC/N)

 

 

8

 

 

d33

(pC/N)

80

98

46

48

152

Piezoelectric Voltage Coefficient

g33

x10-3 Vm/N

 

 

39

33.9

14.8

Elastic Modulus

YE11

 

 

 

23.2

 

 

YE33

 

 

 

 

 

 

Frequency Constants Radial

Nr

KHz.cm

 

 

370

 

 

Resonant Thickness

Ntr

KHz.cm

 

 

300

210

 

Elastic constants
Short Circuit

SE11

x10-12 m2/N

 

 

4.3

 

 

SE33

 

 

 

 

 

 

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