Manipulating guided wave radiation with integrated geometric metasurface [PDF]
Nanophotonics, 2021 Metasurfaces have manifested unprecedented capabilities in manipulating light by subwavelength unit cells, facilitating the miniaturization and multifunctions of optical systems.
Fang Bin +4 more
doaj +3 more sources
Review of Current Guided Wave Ultrasonic Testing (GWUT) Limitations and Future Directions
Sensors, 2021 Damage is an inevitable occurrence in metallic structures and when unchecked could result in a catastrophic breakdown of structural assets. Non-destructive evaluation (NDE) is adopted in industries for assessment and health inspection of structural ...
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Guided Wave Characteristic Research and Probabilistic Crack Evaluation in Complex Multi-Layer Stringer Splice Joint Structure [PDF]
Sensors, 2023 Multi-layer and multi-rivet connection structures are critical components in the structural integrity of a commercial aircraft, in which elements like skin, splice plate, strengthen patch, and stringer are fastened together layer by layer with multiple ...
Jian Chen +3 more
doaj +2 more sources
Formation mechanism of SH guided wave in weld seam
Results in Physics, 2020 Shear horizontal (SH)-guided wave detection of weld seams is a new type of weld detection technology. To better apply SH-guided waves to weld detection, it is necessary to study the formation mechanism of SH-guided waves and to identify weld structures ...
Xiaolong Zhang, Zhenying Xu
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High-Precision Corrosion Detection via SH1 Guided Wave Based on Full Waveform Inversion [PDF]
Sensors, 2023 Corrosion detection for industrial settings is crucial for safe and efficient operations. Due to its high imaging resolution, the guided–wave full–waveform inversion tomography technique has significant potential for corrosion detection of plate metals ...
Jiawei Wen, Can Jiang, Hao Chen
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Nonlinear guided wave mixing in pipes for detection of material nonlinearity
Journal of Sound and Vibration, 2020 Pipes have multiple applications in daily life and they are subjected to different types of defects. Nonlinear guided wave has attracted significant attention in detecting microstructural change at early stage of material deterioration.
Ching-Tai Ng
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A Study on the Development of the Stainless Steel Tube Bundle Structure Detecting System Using Ultrasonic Guided Wave [PDF]
SensorsIn this study, an ultrasonic guided wave system that can be used to detect broken tubes in stainless steel tube bundle structures (e.g., heat exchangers) with fairly narrow spacing between the tubes was designed. The interval between the tubes was 1.5 mm,
Jeongnam Kim +3 more
doaj +2 more sources
Detection, Localisation and Assessment of Defects in Pipes Using Guided Wave Techniques: A Review
Sensors, 2018 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-screening guided ultrasonic wave techniques that have been used in the oil ...
Aidin Ghavamian +2 more
exaly +2 more sources
Strength Development Monitoring of Cemented Paste Backfill Using Guided Waves
Sensors, 2021 The strength of cemented paste backfill (CPB) directly affects mining safety and progress. At present, in-situ backfill strength is obtained by conducting uniaxial compression tests on backfill core samples.
Wen He +4 more
doaj +1 more source
A Review of Signal Processing Techniques for Ultrasonic Guided Wave Testing
Metals, 2022 Ultrasonic guided wave testing (UGWT) is a non-destructive testing (NDT) technique commonly used in structural health monitoring to perform wide-range inspection from a single point, thus reducing the time and effort required for NDT.
Ana Rita Diogo +3 more
semanticscholar +1 more source