Lead zirconate titanate/polyurethane (PZT/PU) composite for acoustic emission sensors

Sakamoto, Walter Katsumi; Marin-Franch, P.; Tunnicliffe, D.L.; Das-Gupta, D.K.

doi:10.1109/ceidp.2001.963479

Cited by 11 publications

(8 citation statements)

References 10 publications

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“…The ability of piezoelectric paint to capture AE signals has been verified by several researchers 19,21,39,40 . In this experimental study, prefabricated piezoelectric paint sensors (7 mm × 7 mm × 0.74 mm) were bonded onto one side of a large aluminium panel (1.59 mm in thickness) using conductive epoxy.…”

Section: Ae Sensing By Piezoelectric Paintmentioning

confidence: 88%

“…After poling, the d 33 coefficient was measured and it was observed that the highest value of d 33 coefficient (around 12 pC/N) was achieved with PZT/C/PU samples with 59/1/40 vol.% composition. The PZT/C/PU composite has shown the ability to detect both extensional and flexural modes of simulated AE at a distance of up to 8.0 m from the source 21 …”

Section: Development Of Piezoelectric Paintmentioning

confidence: 99%

“…When used as a sensor, piezoelectric paint with a ceramic volume fraction of 40 to 70% is generally considered by researchers 13–24 to ensure good sensitivity. In this study, the effective material properties of piezoelectric paint are calculated using the procedure discussed earlier in this paper.…”

Section: Characteristics Of Piezoelectric Paint Sensormentioning

confidence: 99%

“…Piezoelectric composites consisting of ferroelectric ceramics and polymer have received considerable interest as sensing elements because of their favourable material properties that often cannot be obtained in single‐phase materials. Particularly, polymer‐based piezoelectric paints have been investigated by a few researchers as a potential substitute for piezoelectric ceramics in certain sensing applications 13–24 . Piezoelectric paint comprises tiny piezoelectric particles randomly dispersed within a polymer matrix.…”

Section: Introductionmentioning

confidence: 99%

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Analytical study of piezoelectric paint sensor for acoustic emission‐based fracture monitoring

Zhang

2008

Fatigue Fract Eng Mat Struct

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A B S T R A C T Analytical study of piezoelectric paint, which provides insight about its key material behaviour in ultrasonic sensing, is the focus of this paper. Piezoelectric paint is a composite piezoelectric material that comprises tiny piezoelectric particles randomly dispersed within a polymer matrix phase. Acoustic emission (AE) technique has been used for non-destructive evaluation (NDE) such as fracture monitoring in metal, concrete and composite structures. The feasibility of using piezoelectric paint for AE sensing has been demonstrated. In the context of piezoelectric paint-based AE sensor, models for the key material properties of piezoelectric paint are reviewed first. The effect of piezoelectric ceramic volume fraction on paint sensor response is examined. A coupled field finite element model was established to carry out the electro-mechanical analysis of piezoelectric paint sensor subjected to AE excitation. The simulation model for piezoelectric paint sensor is calibrated with experimental data. While more extensive research needs to be done to characterize piezoelectric paint sensor for fracture monitoring, such an analytical study proves to be very useful to the optimization of piezoelectric paint formulation and sensor geometry for AE sensor.

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Section: Ae Sensing By Piezoelectric Paintmentioning

confidence: 88%

Section: Development Of Piezoelectric Paintmentioning

confidence: 99%

Section: Characteristics Of Piezoelectric Paint Sensormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Analytical study of piezoelectric paint sensor for acoustic emission‐based fracture monitoring

Zhang

2008

Fatigue Fract Eng Mat Struct

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“…Through judicious selection of the polymer matrix, the composite properties of the piezoelectric paint can be tailored to meet the requirements for a specific application. In the past two decades, the feasibility of using piezoelectric paint for ultrasonic signal sensing has been experimentally demonstrated by Egusa and Iwasawa (1996), , Sakamoto et al (2001b), Marin-Franch et al (2004), Kobayashi et al (2007), Li and Zhang (2008).…”

Section: Introductionmentioning

confidence: 99%

A Constitutive Model for Piezoelectric Paint with Mixed Connectivity

Li¹,

Zhang

2010

Journal of Intelligent Material Systems and Structures

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This article presents a constitutive model for piezoelectric paint that addresses its special characteristics such as mixed connectivity and air void content. Piezoelectric paint is a composite piezoelectric material that is comprised of tiny piezoelectric particles randomly dispersed within a polymer matrix phase. The feasibility of using piezoelectric paint for ultrasonic sensing such as acoustic emission sensor has been demonstrated in the literature. With an emphasis on sensor application, a constitutive model that considers the special characteristics of piezoelectric paint such as mixed connectivity and air void content is formulated in a semi-empirical approach. The focus of this study is given to piezoelectric paints with a piezoelectric ceramic volume fraction ranging from 35% to 60%, for which some of the active particles form 1-3 connectivity, leading to higher piezoelectric activity than previous models for piezoelectric 0-3 composites predict. Percolation theory is used to empirically model the rapid increase of piezoelectric activity after a threshold level of piezoelectric ceramic particle volume fraction is exceeded in the piezoelectric paint. Such a constitutive model is very useful to sensor design since the insight gained from a parametric study of piezoelectric paint properties will provide input to optimizing paint formulation for a particular sensor design. The effect of piezoelectric particle volume fraction on the electromechanical properties of piezoelectric paint is first examined and is followed by a discussion of the air void content and polarization effects. The proposed percolation-based mixed connectivity model for piezoelectric paint sensor has been calibrated with experimental data.

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Introduction

Mitkus

2024

Mechanics and Adaptronics

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Lead zirconate titanate/polyurethane (PZT/PU) composite for acoustic emission sensors

Cited by 11 publications

References 10 publications

Analytical study of piezoelectric paint sensor for acoustic emission‐based fracture monitoring

Analytical study of piezoelectric paint sensor for acoustic emission‐based fracture monitoring

A Constitutive Model for Piezoelectric Paint with Mixed Connectivity

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