Modeling and analysis of Lamb wave propagation in a beam under lead zirconate titanate actuation and sensing

Because of their electro-mechanical coupling property, Lead-Zirconate-Titanate (PZT) materials have been widely used for ultrasonic wave sensing and actuation in structural health monitoring applications. In this paper, a PZT rosette concept is proposed to conduct Lamb wave-based damage detection in panel-like structures by exploring its best directional sensing capability. First, a directivity study was conducted to investigate sensing of flexural Lamb wave propagation using a PZT fiber having d33 effects. Then, commercial off-the-shelf PZT fibers were polarized in-house in order to construct the PZT rosette configuration, in which three PZT fibers are oriented at 0°, 45°, 90°, respectively. Since Lamb wave responses are directly related to measured PZT fiber voltage signals, a simple interrogation scheme was developed to calculate principal strain direction in order to locate an acoustic source. Comprehensive tests were conducted to evaluate the performance of the proposed PZT rosette using an aluminum plate. It is shown that the PZT rosette is able to sense Lamb wave responses and accurately locate an acoustic source. We expect to further evaluate the PZT rosette performance when damages are introduced.

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Surface acoustic wave propagation on lead zirconate titanate thin films

Applied Physics Letters ◽

10.1063/1.99354 ◽

1988 ◽

Vol 52 (9) ◽

pp. 709-711 ◽

Cited By ~ 75

Author(s):

K. Sreenivas ◽

M. Sayer ◽

D. J. Baar ◽

M. Nishioka

Keyword(s):

Thin Films ◽

Wave Propagation ◽

Acoustic Wave ◽

Surface Acoustic Wave ◽

Lead Zirconate Titanate ◽

Lead Zirconate ◽

Acoustic Wave Propagation ◽

Zirconate Titanate

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Theoretical and Experimental Estimation of Lamb Wave Velocity in Plates Using Distributed Lead Zirconate Titanate Sensors

Journal of Mechatronics ◽

10.1166/jom.2014.1042 ◽

2014 ◽

Vol 2 (1) ◽

pp. 47-54

Author(s):

C. N. Sathyanarayana ◽

S. Raja ◽

U. Ashwin

Keyword(s):

Wave Velocity ◽

Lead Zirconate Titanate ◽

Lamb Wave ◽

Lead Zirconate ◽

Experimental Estimation ◽

Zirconate Titanate ◽

Lamb Wave Velocity

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Reusable piezoelectric transducer for structural health monitoring using both Lamb wave and electromechanical impedance modes

Journal of Intelligent Material Systems and Structures ◽

10.1177/1045389x20942843 ◽

2020 ◽

Vol 31 (16) ◽

pp. 1898-1909

Author(s):

Qijian Liu ◽

Yuan Chai ◽

Xinlin Qing

Keyword(s):

Structural Health Monitoring ◽

Lead Zirconate Titanate ◽

Health Monitoring ◽

Lamb Wave ◽

Lead Zirconate ◽

Aluminum Plate ◽

Electromechanical Impedance ◽

Structural Health ◽

Zirconate Titanate ◽

Piezoelectric Lead Zirconate Titanate

A variety of structural health monitoring techniques have been developed to support the efficient online monitoring of structural integrity. Moreover, Lamb wave and electromechanical impedance methods are increasingly used for structural health monitoring applications due to their high sensitivity and effectiveness in detecting damage. However, these techniques require transducers to be permanently attached to structures because of the usage of baselines recorded under the condition without damage. In this study, a reusable piezoelectric lead zirconate titanate transducer for monitoring corrosion damage on the aluminum plate is introduced, which can be removed from the test specimen and reused with the repeatability of signals. The reusable piezoelectric lead zirconate titanate transducer is bonded on the aluminum plate using the ethylene-acrylic acid copolymer with an aluminum enclosure. A series of experiments are conducted on an aluminum plate, including the investigation for repeatability of signals and the capability of corrosion detection of the designed piezoelectric lead zirconate titanate transducer through the Lamb wave and electromechanical impedance methods. The simulated corrosion defect with the area of 15 × 15 mm2 is detected during experiments. The experimental results confirm that the reusable piezoelectric lead zirconate titanate transducer can effectively evaluate the corrosion damage to plate structure and can be reused many times.

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Convergent-bceam diffraction studies on lead zirconate titanate Ceramics

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100143961 ◽

1986 ◽

Vol 44 ◽

pp. 482-483

Author(s):

M.L.A. Dass ◽

T.A. Bielicki ◽

G. Thomas ◽

T. Yamamoto ◽

K. Okazaki

Keyword(s):

Lead Zirconate Titanate ◽

Direct Proof ◽

Lead Zirconate ◽

Subsolidus Phase ◽

Pzt Ceramics ◽

Subsolidus Phase Diagram ◽

Zirconate Titanate ◽

Two Phases ◽

Cbd Method ◽

Titanate Ceramics

Lead zirconate titanate, Pb(Zr,Ti)O3 (PZT), ceramics are ferroelectrics formed as solid solutions between ferroelectric PbTiO3 and ant iferroelectric PbZrO3. The subsolidus phase diagram is shown in figure 1. PZT transforms between the Ti-rich tetragonal (T) and the Zr-rich rhombohedral (R) phases at a composition which is nearly independent of temperature. This phenomenon is called morphotropism, and the boundary between the two phases is known as the morphotropic phase boundary (MPB). The excellent piezoelectric and dielectric properties occurring at this composition are believed to.be due to the coexistence of T and R phases, which results in easy poling (i.e. orientation of individual grain polarizations in the direction of an applied electric field). However, there is little direct proof of the coexistence of the two phases at the MPB, possibly because of the difficulty of distinguishing between them. In this investigation a CBD method was found which would successfully differentiate between the phases, and this was applied to confirm the coexistence of the two phases.

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