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Zibo Yuhai Electronic Ceramic Co., Ltd.
Address :  No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China 
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+86-0533-4230012
Fax : +86-0533-4231700
Email : ceo@zbyuhai.com

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HARD PZT

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Hard PZT

High power or "hard" PZT 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 piezo 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-82

This material range is used in high power applications, even though its piezoelectric activity level is slightly lower than PZT400 series types. With an extremely high mechanical quality factor and extremely low loss factor, PZT800 series materials have the ultimate power handling capability.

Hard piezo material exhibits: smaller piezoelectric constants, lower permittivity, smaller dielectric constants, lower dielectric losses, smaller electromechanical coupling factors, high mechanical quality factors, a higher coercive field, better linearity, and is harder to be depolarized.

The ideal application of hard piezo materials is high power transducer needs.

Yuhai hard pizeo materials are PZT-4, PZT-8, PCrN-4 and PBaS-4.

Typical value of piezoelectric ceramic materials performance

"Hard" PZT materials

Properties

 

 

PZT-41

PZT-42

PZT-43

PZT-82

PCrN-4

PBaS-4

Dielectric Constant

ɛTr3

 

1050

1250

1420

1100

1600

1900

Coupling factor

KP

 

0.58

0.58

0.58

0.52

0.6

0.59

 

K31

 

0.32

0.33

0.34

0.3

0.35

0.34

 

K33

 

0.66

0.67

0.68

0.57

0.68

0.68

 

Kt

 

0.48

0.48

0.48

0.4

0.45

0.49

Piezoelectric coefficient

d31

10-12m/v

-106

-124

-138

-100

-156

-160

 

d33

10-12m/v

260

280

300

240

350

380

 

g31

10-3vm/n

-11.4

-11.2

-11

-10.3

-11

-9.5

 

g33

10-3vm/n

28

25.3

24

25

24.7

22.6

Frequency coefficients

Np

 

2280

2200

2160

2280

2100

2200

 

N1

 

1671

1613

1583

1671

1539

1613

 

N3

 

1950

1900

1875

1950

1850

1850

 

Nt

 

2250

2200

2200

2300

2200

2200

Elastic compliance coefficient

Se11

10-12m2/n

11.8

12.7

13.2

11.6

14

13.2

Machanical quality factor

Qm

 

1000

800

600

1200

400

2200

Dielectric loss factor

Tg δ

%

0.3

0.4

0.5

0.3

0.6

0.5

Density

ρ

g/cm3

7.5

7.5

7.5

7.6

7.5

7.5

Curie Temperature

Tc

°C

320

320

320

310

310

310

Young's modulus

YE11

<109N/m3

85

79

76

86

71

76

Poison Ratio

 

 

0.3

0.3

0.3

0.3

0.3

0.33

 

P-41

is equal to PZT-4D hard PZT. It is designed for higher dielectric constant, high Q m , high coercive field, high coupling and high stiffness required high power high driving transducers etc.

P-42

Is a modified hard PZT, higher dielectric constant of P-41.

P-43

is a modified hard PZT. It is developed for higher dielectric constant, high coupling and high stiffness required high power high driving etc. transducers

P-82

Is equal to PZT-8, hard PZT for higher mechanical quality factor, lower dielectric loss required and much higher power handling capability etc. transducers.

PCrN-4

is a modified PZT dedicated for extremely high power high driving etc.  receiver and transmitting dual function piezo   

PbaS-4

is a modified hard PZT developed for extremely high dielectric constant, high Q m , high stiffness and low dissipation factor required high frequency transducers etc.  

 

 

We could not find any corresponding parameters, please add them to the properties table
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EMAILS: ceo@zbyuhai.com

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