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Lead-free piezoelectric ceramics

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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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Lead-free piezoelectric ceramics

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Barium titanate lead-free piezoelectric ceramics are important basic materials for the development of modern science and technology, which was widely used in the manufacture of ultrasonic transducers, underwater acoustic transducers, electroacoustic transducers, ceramic filters, ceramic transformers, ceramic frequency discriminators, high voltage generators, infrared detectors, surface acoustic wave devices, electro-optic devices, ignition and detonation devices, and piezoelectric gyroscope and so on.

Application: military, ocean, fishery, scientific research, mine detection, daily life and other fields.

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Typical value of piezoelectric ceramic materials performance

 

Lead free piezo material BaTiO3

 

Lead-free Material

Properties

 

 

BaTiO3

Dielectric Constant

ɛTr3

 

1260

 

 

 

 

Coupling factor 

KP

 

0.34

 

K31

 

0.196

 

K33

 

0.43

 

Kt

 

0.32

Piezoelectric coefficient

d31

10-12m/v

-60

 

d33

10-12m/v

160

 

g31

10-3vm/n

-5.4

 

g33

10-3vm/n

14.3

Frequency coefficients

Np

 

3180

 

N1

 

2280

 

N3

 

 

 

Nt

 

2675

Elastic compliance coefficient

Se11

10-12m2/n

8.4

Machanical quality factor

Qm

 

1200

 

 

 

 

Dielectric loss factor

Tg δ

%

0.5

Density

ρ

g/cm3

5.6

Curie Temperature

Tc

°C

115

Young's modulus

YE11

<109N/m3

119

Poison Ratio

 

 

0.33

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ADDRESS: No. 57, Chuangye Road, Development Zone, Zibo, Shandong, China

EMAILS: ceo@zbyuhai.com

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