PCA based stress monitoring of cylindrical specimens using PZTs and guidedwaves [PDF]
, 2017 Since mechanical stress in structures affects issues such as strength, expected operational life and dimensional stability, a continuous stress monitoring scheme is necessary for a complete integrity assessment. Consequently, this paper proposes a stress
Camacho Navarro, Jhonatan +4 more
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Rayleigh Wave Calibration of Acoustic Emission Sensors and Ultrasonic Transducers. [PDF]
, 2019 Acoustic emission (AE) sensors and ultrasonic transducers were characterized for the detection of Rayleigh waves (RW). Small aperture reference sensors were characterized first using the fracture of glass capillary tubes in combination with a theoretical
Ono, Kanji
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Defects Inspection in Wires by Nonlinear Ultrasonic-Guided Wave Generated by Electromagnetic Sensors
Applied Sciences, 2020 Steel wires are widely used as raw materials for spring valves in engines. Considering the quality and safety issues of their structure, there is a demand to develop nondestructive inspection approaches to detect initial damages in steel.
Junpil Park +3 more
doaj +1 more source
Chinese Journal of Mechanical Engineering, 2023 Pinhole corrosion is difficult to discover through conventional ultrasonic guided waves inspection, particularly for micro-sized pinholes less than 1 mm in diameter.
Jinjie Zhou +5 more
doaj +1 more source
Rail Diagnostics Based on Ultrasonic Guided Waves: An Overview
Applied Sciences, 2021 Rail tracks undergo massive stresses that can affect their structural integrity and produce rail breakage. The last phenomenon represents a serious concern for railway management authorities, since it may cause derailments and, consequently, losses of ...
Davide Bombarda +2 more
doaj +1 more source
Interaction of laser generated ultrasonic waves with wedge-shaped samples [PDF]
, 2012 Wedge-shaped samples can be used as a model of acoustic interactions with samples ranging from ocean wedges, to angled defects such as rolling contact fatigue, to thickness measurements of samples with non-parallel faces.
A. R. Clough +7 more
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Micromechanical approach for the analysis of wave propagation in particulate composites [PDF]
, 2019 Laser ultrasonic non-destructive testing is widely used for the inspection of mechanical structures. This method uses the propagation of ultrasonic guided waves (UGW) in the media.
Dinzart, Florence +2 more
core +5 more sources
Applied SciencesThe imaging detection of ultrasonic guided waves in plates using arc sparse arrays is highly significant for weld scattering conditions. A novel approach for detecting welded plate structures using the left rank of ultrasonic guided waves in arc sparse ...
Xinjie Zhu +4 more
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Grease-like coupling agent based on metal ionization method for low-frequency ultrasonic NDT
Results in Physics, 2019 In long-distance NDT based on ultrasonic guided waves with low-frequency excitation, the most commonly used industrial coupling agents are grease-like coupling agents.
Lei Zhang +3 more
doaj +1 more source
Numerical modeling and measurement by pulsed television holography of ultrasonic displacement maps in plates with through-thickness defects [PDF]
, 2010 We present a novel numerical modeling of ultrasonic Lamb and Rayleigh wave propagation and scattering by through-thickness defects like holes and slots in homogeneous plates, and its experimental verification in both near and far field by a self ...
Amlani, Faisal +6 more
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