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high curie temperature pzt ceramic powder piezo ceramics materials

High Curie Temperature Piezo Ceramics Materials

Quantity:
  • PZT
  • PIEZOHANNAS
  • PZT

           High Curie Temperature Pzt Ceramic Powder Piezo Ceramics Materials



Typical soft PZT characteristics include:

· Wide range of frequencies in transmit and receive (sub-audible, audible, ultrasonic)

· High output, low drive material

· High frequency, fast response time

· High sensitivity for active or passive use

· Ability to use with low voltage or high voltage drive circuits

· Good mechanical and acoustic coupling

· Wide variety of shapes and sizes that can be customized to meet specific requirements and applications

· Wide variety of compositions that can be selected to meet specific requirements and applications

· Quality of each PZT component is ensured by a rigorous testing regimen. Characteristics such as frequency,    capacitance, dissipation, coupling, d33 and mechanical properties are measured and verified against our / customer provided specifications.

 

"Soft" PZT materials

The type of soft material

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



Hard PZT ceramic powder characteristics


High power or "hard" ceramics can withstand high levels of electrical excitation and mechanical stress. These materials are suited for high voltage or high power generators and transducers.

PZT-4 Series

This material range is ideally suited for ultrasonic cleaning, sonar, and other high power acoustic radiation applications. These materials are designated as PZT-4 series type materials and are capable of producing large mechanical drive amplitudes while maintaining low mechanical and dielectric losses. In addition, it can be used under both constant and repetitive conditions. 

PZT-8 Series

This material range is used in high power applications, even though its piezoelectric activity level is slightly lower than PZT-4 series types. With an extremely high mechanical quality factor and extremely low loss factor, PZT-8 series materials have the ultimate power handling capability. 


Typical value of "Hard" PZT ceramic powder performance:

 

Hard" PZT materials



PZT-41

PZT-42

PZT-43/4D

PZT-82

PBaS-4

Dielectric Constant

ɛTr3


1050

1250

1420

1100

1900









Coupling factor 

KP


0.58

0.58

0.58

0.52

0.59


K31


0.32

0.33

0.34

0.3

0.34


K33


0.66

0.67

0.68

0.57

0.68


Kt


0.48

0.48

0.48

0.4

0.49

Piezoelectric coefficient

d31

10-12m/v

-106

-124

-138

-100

-160


d33

10-12m/v

260

280

300

240

380


g31

10-3vm/n

-11.4

-11.2

-11

-10.3

-9.5


g33

10-3vm/n

28

25.3

24

25

22.6

Frequency coefficients

Np


2280

2200

2160

2280

2200


N1


1671

1613

1583

1671

1613


N3


1950

1900

1875

1950

1850


Nt


2250

2200

2200

2300

2200

Elastic compliance coefficient

Se11

10-12m2/n

11.8

12.7

13.2

11.6

13.2

Machanical quality factor

Qm


1000

800

600

1200

2200









Dielectric loss factor

Tg δ

%

0.3

0.4

0.5

0.3

0.5

Density

ρ

g/cm3

7.5

7.5

7.5

7.6

7.5

Curie Temperature

Tc

°C

320

320

320

310

310

Young's modulus

YE11

<109N/m3

85

79

76

86

76

Poison Ratio



0.3

0.3

0.3

0.3

0.33




Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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