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Piezo Hannas (WuHan) Tech Co,.Ltd.
Add: No.456 Wu Luo Road, Wuchang District, Wuhan City, HuBei Province, China.
E-mail: sales@piezohannas.com
Tel: +86 27 86502372
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Low Cost Piezoelectric Disc Transducer for Non-destructive Testing

Size:
Diameter :20mm
Thickness:4mm
Material:P-41

Application: Non-destructive Testing

Quantity:
  • PZ1000K064
  • Piezohannas
  • PZ1000K064

                 
                             Low Cost Piezoelectric Disc Transducer for Non-destructive Testing


WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.


QQ图片20170720155403.jpg

PZT4 material piezo disks


QQ图片20170720155427.jpg

piezoelectric disk transducer



31AFB9AEF0A775B05FBF843CEB753E4E.jpg piezo disc for Non-destructive Testing


Size:


Diameter :20mm
Thickness:4mm
Material:P-41



Standard Size of Piezo Discs:


range of piezo disc to produce:

Diameter: 2mm-120mm
Thickness:0.1mm-30mm


Applications:


Piezoelectric materials have excellent force-electric coupling properties and are widely used in the field of non-destructive testing. The piezoelectric vibration nondestructive testing technology has the following characteristics: 1) it id sensitive to small internal damage of large structures; 2) stable and reliable, wide linear range of operation, able to adapt to more complicated working conditions; 3) more reliable stability .The subsequent data processing is simple. This paper presents the overall design of the piezoelectric non-destructive testing device.


The field of Nondestructive Testing (NDT) is a very broad, interdisciplinary field that plays a critical role in assuring that structural components and systems perform their function in a reliable and cost effective fashion. NDT technicians and engineers define and implement tests that locate and characterize material conditions and flaws that might otherwise cause planes to crash, reactors to fail, trains to derail, pipelines to burst, and a variety of less visible, but equally troubling events. These tests are performed in a manner that does not affect the future usefulness of the object or material. In other words, NDT allows parts and material to be inspected and measured without damaging them. Because it allows inspection without interfering with a product's final use, NDT provides an excellent balance between quality control and cost-effectiveness. Generally speaking, NDT applies to industrial inspections. The technologies that are used in NDT are similar to those used in the medical industry, but nonliving objects are the subjects of the inspections.



Typical value of "Hard" PZT materials 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





Application Image:


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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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Add: No.456 Wu Luo Road, Wuchang District, Wuhan City, HuBei Province, China.
E-mail: sales@piezohannas.com
Tel: +86 27 84898868
Phone: +86 +18986196674         
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