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Home > Products > PZT Piezoelectric Elements > PZT Piezoelectric Cylinders/Tubes > Non Destroy Test NDT Piezoelectric Tube 48KHz

Non Destroy Test NDT Piezoelectric Tube 48KHz

Non Destroy Test NDT Piezoelectric Tube 48KHz

Payment Type: T/T
Incoterm: EXW

Basic Info

    Model No.: OD20.5*ID17.5*25mm PZT-52

Additional Info

    Transportation:  FedEx

    Certificate: ISO 9001

    HS Code: 8541600080

Product Description

Piezoelectric ceramic tubes

Electrode direction: Radial direction



Applications: NDT Non destructive Testing


Non-destructive testing (NDT) is a testing method to inspect the surface and internal quality of the inspected parts without damaging the working state of the workpiece or raw materials.


There are many kinds of ultrasonic flaw detectors, but in the actual flaw detection process, pulse reflection ultrasonic flaw detectors are most widely used. Generally, in homogeneous materials, the existence of defects will cause the discontinuity of materials, which often results in the inconsistency of acoustic impedance. From the reflection theorem, we know that ultrasound will reflect at the interface of two media with different acoustic impedance. The magnitude of the reflected energy is related to the difference of acoustic impedance of the media on both sides of the interface and the orientation and size of the interface.



Material: PZT-52( HD PZT-5A)


Technical data:

Dimensions: OD 20.5mm, ID17.5mm, height 25mm

Radial Frequency Fr: 48KHz ± 5%

Frequency Bandwidth ΔF>550Hz

Electromechanical coupling coefficient Kp: > 0.35
Dielectric Loss tg δ: <2.20

Static capacitance Cs: 22nF±20%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms


SOFT PZT suitable for NDT detector.


Typical value of Piezoelectric ceramic materials performance
"Soft" PZT materials
Properties PZT-51 PZT-52 PZT-53 PZT-5H PLiS-51 PMgN-51 PSnN-5
Dielectric Constant ɛTr3 2200 2400 2600 3200 2000 3800 1600
Coupling factor KP 0.62 0.63 0.64 0.68 0.62 0.64 0.6
K31 0.35 0.35 0.36 0.38 0.35 0.35 0.35
K33 0.68 0.7 0.7 0.76 0.7 0.7 0.68
Kt 0.5 0.5 0.5 0.52 0.52 0.52 0.5
Piezoelectric coefficient d31 10-12m/v -186 -204 -227 -275 -197 -270 -170
d33 10-12m/v 500 520 550 620 450 600 400
g31 10-3vm/n -9.6 -9.8 -9.9 -9.7 -11.1 -8 -12
g33 10-3vm/n 25.6 24.5 23.9 22 25.4 18 28
Frequency coefficients Np 1980 1980 1960 1900 1920 1980 2000
N1 1451 1451 1437 1393 1407 1451 1466
N3 1900 1900 1755 1550 1925 1800 1825
Nt 2150 2150 2150 2100 2100 2100 2100
Elastic compliance coefficient Se11 10-12m2/n 16.7 17 17.4 18 18 18 16.6
Machanical quality factor Qm 80 75 75 70 80 70 85
Dielectric loss factor Tg δ % 2 2 2 2 2 1.8 2
Density ρ g/cm3 7.6 7.6 7.6 7.5 7.5 7.6 7.5
Curie Temperature Tc °C 270 270 270 230 345 270 350
Young's modulus YE11 <109N/m3 60 59 57.5 56 56 56 60
Poison Ratio 0.36 0.36 0.36 0.36 0.36 0.36 0.36


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Product Categories : PZT Piezoelectric Elements > PZT Piezoelectric Cylinders/Tubes

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