8 Electrode Strips Tangential Piezoelectric Tube for Transducer

Dimensions: 

outer diameter 25.4mm, inner diamter 25.146mm,  height  25.4 mm 

Thickness Frequency

   36KHz ± 5%

Mechanical Coupling coefficient Keff

  ≥  0.5

≤2%

Static capacitance (pf): 

>850pF±12.5%

Discs

Diameter:   3 to 200

Tolerance according to the piezoelectric elements Industrial standard. 

Thickness:  0.2-25

Tubes

Length:    1-100

OD:       6-180

ID:        5-150

Wall:      0.5-15

Plates

Length:     1-200

Width:      1-200

Thickness:  0.2-25

Sphere

OD:        6-160

ID:         4-150

Wall:       1-10

Rings

OD:        3-180

ID:         1-150

Thickness :  0.2-25

For All Sizes

Flatness

±  0.03

Concentricity

±  0.10

Perpendicularity

±  0.10

Parallelism

±  0.05

Properties

PSnN-5

PLiS-51

PZT-51

PZT-52

PZT-53

PZT-5H

PZT-5X

Dielectric Constant

ɛTr3

1600

2000

2200

2400

2600

3200

4500

Coupling factor

KP

0.6

0.62

0.62

0.63

0.64

0.68

0.7

K31

0.35

0.35

0.35

0.35

0.36

0.38

0.4

K33

0.68

0.7

0.68

0.7

0.7

0.76

0.77

Kt

0.5

0.52

0.5

0.5

0.5

0.52

0.53

Piezoelectric coefficient

d31

10-12m/v

-170

-197

-186

-204

-227

-275

-300

d33

10-12m/v

400

450

500

520

550

620

750

g31

10-3vm/n

-12

-11.1

-9.6

-9.8

-9.9

-9.7

-7.5

g33

10-3vm/n

28

25.4

25.6

24.5

23.9

22

18.8

Frequency coefficients

Np

2000

1920

1980

1980

1960

1900

1960

N1

1466

1407

1451

1451

1437

1393

1437

N3

1825

1925

1900

1900

1755

1550

1800

Nt

2100

2100

2150

2150

2150

2100

2200

Elastic compliance coefficient

Se11

10-12m2/n

16.6

18

16.7

17

17.4

18

19

Machanical quality factor

Qm

85

80

80

75

75

70

65

Dielectric loss factor

Tg δ

%

2

2

2

2

2

2

2

Density

ρ

g/cm3

7.5

7.5

7.6

7.6

7.6

7.5

7.5

Curie Temperature

Tc

°C

350

345

270

270

270

230

165

Young's modulus

YE11

<109N/m2

60

56

60

59

57.5

56

53

Poison Ratio

0.36

0.36

0.36

0.36

0.36

0.36

0.39

ε33 T , ε 11 T

Free Relative Dielectric Constant

ε33 S , ε 11 S

Clamping Relative Dielectric Constant

tgδ

Dissipation Factor at Low Field

ρ

Density

g/cm 3

T c

Curie Point

ºC

V

Velocity

m/s

Z a

Accoustic Impedance

Mrayl

K p, K 33, K t, K 31, K 15

Electromechanical Coupling Factors

N p , N 33, N 31, N 15, N t, N c

Frequency Constants

Hz - m

d 33, d 31, d 15

Piezoelectric Strain Constants

10 -12 C/N

d h

Hydrostatic Piezoelectric Strain Constants

10 -3 Vm/N

Q pm

Mechanical Quality Factor at Planar mode

Y 11 E , Y 33 E

Young's Modulus under Short Circuit

10 10 N/m 2

σ

Poisson Ratio

ε33 T (% Per Decade)

Aging Rate of Free Relative Dielectric Constant

K p (% Per Decade)

Aging Rate of Planar Electromechanical Coupling Factor

K t (% Per Decade)

Aging Rate of Coupling Factor at Thickness mode

N p (% Per Decade)

Aging Rate of Frequency Constant of Planar Mode

N t (% Per Decade)

Aging Rate of Frequency Constant at Thickness Mode

ε33 T ( / o C)

Thermal Stability of Free Relative Dielectric Constant

GLOSSARY

BT

Barium Titanate

Hard PZT

Hard Lead Titanate Zirconate Compound

Soft PZT

Soft Lead Titanate Zirconate Compound