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Journal ArticleDOI

A Baseline and Vision of Ultrasonic Guided Wave Inspection Potential

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TLDR
In this article, the authors provide a vision of ultrasonic guided wave inspection potential as we move forward into the new millennium and provide a brief description of the sensor and software technology that will make ultrasonic guidance wave inspection commonplace in the next century.
Abstract
Ultrasonic guided wave inspection is expanding rapidly to many different areas of manufacturing and in-service inspection. The purpose of this paper is to provide a vision of ultrasonic guided wave inspection potential aswe move forward into the new millennium. An increased understanding of the basic physics and wave mechanics associated with guided wave inspection has led to an increase in practical nondestructive evaluation and inspection problems. Some fundamental concepts and a number of different applications that are currently being considered will be presented in the paper along with a brief description of the sensor and software technology that will make ultrasonic guided wave inspection commonplace in the next century.

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Citations
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Proceedings ArticleDOI

Nondestructive evaluation with fully non-contact air-coupled transducer-scanning laser Doppler vibrometer Lamb wave system

TL;DR: In this article, a non-contact air-coupled transducer (ACT) was used to detect cracks in Lamb wave-based NDE systems, and the results showed that cracks were detected successfully in both cases with 10% error.
Journal ArticleDOI

Effects of Concrete on Propagation Characteristics of Guided Wave in Steel Bar Embedded in Concrete

Zhupeng Zheng, +1 more
- 27 Aug 2014 - 
TL;DR: In this paper, the dispersion equations of longitudinal wave propagation in reinforced concrete member are investigated for the purpose of monitoring steels embedded in concrete for structural health monitoring (SHM) of large-scale civil infrastructures.
Journal ArticleDOI

Experiments and modelling of ultrasonic waves in composite plates under varying temperature

TL;DR: In this article , the effect of varying temperature on the GW propagation characteristics in a carbon fiber-reinforced composite plate is studied under a varying temperature condition, representative of the aeronautics application, and a temperature independent averaged time compensation factor is proposed to mitigate the numerical data dependency on excitation frequency and propagation angle.

A Study of Guided Ultrasonic Wave Propagation Characteristics in Thin Aluminum Plate for Damage Detection

TL;DR: In this paper, the authors present a Table of Table of Tables of Table 1.1.1 and Table 2.2.3.1 of the table of Table 3.
Proceedings ArticleDOI

Embedded ultrasonics with piezoelectric wafer active sensors for structural health monitoring of thin-wall structures

TL;DR: In this article, the capability of embedded piezoelectric wafer active sensors (PWAS) to perform in-situ ultrasonic nondestructive evaluation (NDE) was explored.
References
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Book

Acoustic Fields and Waves in Solids

Bert A. Auld
TL;DR: In this article, the authors apply the material developed in the Volume One to various boundary value problems (reflection and refraction at plane surfaces, composite media, waveguides and resonators).
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Wave propagation in elastic solids

TL;DR: In this article, the linearized theory of elasticity was introduced and the elasticity of a one-dimensional motion of an elastic continuum was modeled as an unbound elastic continuum.
Journal ArticleDOI

The theory of sound

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Wave Motion in Elastic Solids

Karl F. Graff
TL;DR: In this article, a comprehensive study of elastic wave propagation in solids is presented, ranging from the theory of waves and vibrations in strings to the three-dimensional theory of elastic waves in thick plates.
Book

Ultrasonic Waves in Solid Media

TL;DR: In this article, the theory of elasticity was introduced and basic formulas and concepts in complex variables in the theory and application of wave propagation were discussed. But the authors did not consider the effects of wave scattering on the wave propagation experiments.