Surface Crack Monitoring by Rayleigh Waves with a Piezoelectric-Polymer-Film Ultrasonic Transducer Array

Surface Crack Monitoring by Rayleigh Waves with a Piezoelectric-Polymer-Film Ultrasonic Transducer Array

This paper presents a method for measuring surface cracks based on the analysis of Rayleigh waves in the frequency domain. The Rayleigh waves were detected by a Rayleigh wave receiver array made of a piezoelectric polyvinylidene fluoride (PVDF) film and enhanced by a delay-and-sum algorithm. This me...

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Bibliographic Details
Main Authors:	Xiaotian Li, Voon-Kean Wong, Yasmin Mohamed Yousry, David Boon Kiang Lim, Percis Teena Christopher Subhodayam, Kui Yao, Liuyang Feng, Xudong Qian, Zheng Fan
Format:	Article
Language:	English
Published:	MDPI AG 2023-02-01
Series:	Sensors
Subjects:	ultrasonic piezoelectric transducer array welded joint surface fatigue crack structural health monitoring reflected Rayleigh wave
Online Access:	https://www.mdpi.com/1424-8220/23/5/2665

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