[HTML][HTML] Guided waves in long range nondestructive testing and structural health monitoring: Principles, history of applications and prospects
P Cawley - NDT & E International, 2024 - Elsevier
The early work on long range guided wave nondestructive testing (NDT) was largely done in
industry, and multiple applications were developed before a surge in academic interest …
industry, and multiple applications were developed before a surge in academic interest …
Detection, localisation and assessment of defects in pipes using guided wave techniques: A review
This paper aims to provide an overview of the experimental and simulation works focused
on the detection, localisation and assessment of various defects in pipes by applying fast …
on the detection, localisation and assessment of various defects in pipes by applying fast …
[HTML][HTML] The choice of ultrasonic inspection method for the detection of corrosion at inaccessible locations
Inspection for corrosion and pitting defects in the petrochemical industry is vital and forms a
significant fraction of the operating expenditure. Low frequency guided wave inspection is …
significant fraction of the operating expenditure. Low frequency guided wave inspection is …
Excitation of single-mode Lamb waves at high-frequency-thickness products
Guided wave inspection is used extensively in petrochemical plants to check for defects
such as corrosion. Long-range low-frequency inspection can be used to detect relatively …
such as corrosion. Long-range low-frequency inspection can be used to detect relatively …
Single-mode Lamb wave excitation at high-frequency-thickness products using a conventional linear array transducer
Lamb wave excitation at high-frequency-thickness products offers a potential solution for
high-resolution guided wave testing. The method is attractive for crack imaging and …
high-resolution guided wave testing. The method is attractive for crack imaging and …
Surface temperature condition monitoring methods for aerospace turbomachinery: Exploring the use of ultrasonic guided waves
Turbine blades and nozzle guide vanes (NGVs) are operated at extreme temperatures in
order to maximise thermal efficiency and power output of an engine. In this paper the …
order to maximise thermal efficiency and power output of an engine. In this paper the …
Relative ability of wedge-coupled piezoelectric and meander coil EMAT probes to generate single-mode Lamb waves
Ultrasonic guided waves are used extensively when checking for defects in petrochemical
and other industries and are mostly generated using piezoelectric transducers on an angled …
and other industries and are mostly generated using piezoelectric transducers on an angled …
Evaluation of the sensitivity of higher order modes cluster (HOMC) guided waves to plate defects
Z Abbasi, F Honarvar - Applied Acoustics, 2022 - Elsevier
Abstract Higher Order Modes Cluster (HOMC) guided waves are non-dispersive wave
packets consisting of higher order Lamb wave modes. This paper investigates the effect of …
packets consisting of higher order Lamb wave modes. This paper investigates the effect of …
Excitation of Lamb waves over a large frequency-thickness product range for corrosion detection
L Zeng, Z Luo, J Lin, J Hua - Smart Materials and Structures, 2017 - iopscience.iop.org
For corrosion detection, it is often desirable that a Lamb wave mode is highly sensitive to
surface thinning and enjoys some degree of mode purity at a particular frequency. In view of …
surface thinning and enjoys some degree of mode purity at a particular frequency. In view of …
Scattering of Higher Order Mode Clusters (HOMC) from surface breaking notches in plates with application to higher temperature gradients
SHK Reddy, A Vasudevan, P Rajagopal… - NDT & E …, 2021 - Elsevier
The potential of higher frequency ultrasonic guided wave mode cluster (HOMC) waves to be
used for remote inspection of notch defects in plate-like structures is investigated, at room …
used for remote inspection of notch defects in plate-like structures is investigated, at room …