Development of an Omnidirectional Shear Horizontal Wave Transducer for Structural Health Monitoring
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nondestructive Evaluation"
DOI: 10.1007/s10921-018-0531-z
Abstract: In this work, an omnidirectional SH0 mode transducer is proposed. It is based on a simple arrangement of common piezoelectric ceramics attached to a steel disc, and is capable of generating a relatively high ratio… read more here.
Keywords: development omnidirectional; horizontal wave; omnidirectional shear; transducer structural ... See more keywords
Damage detection in bent plates using shear horizontal guided waves
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DOI: 10.1016/j.ultras.2016.11.020
Abstract: HighlightsInvestigation of the shear horizontal wave for the inspection of defects in top hat stiffener.The curvature effect on the SH wave is analyzed.The sensitivity of SH wave to different defects is discussed. ABSTRACT Study of… read more here.
Keywords: damage detection; detection bent; horizontal guided; shear horizontal ... See more keywords
Shear horizontal wave propagation in a periodic stubbed plate and its application in rainbow trapping
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DOI: 10.1016/j.ultras.2017.11.010
Abstract: HighlightsThe shear horizontal wave is solved using the high‐order waveguide modal theory.The convergence and correctness are proved.The band structure caused by geometry‐induced mismatched impedance is revealed.The rainbow trapping of shear horizontal waves is achieved. ABSTRACT… read more here.
Keywords: propagation; rainbow trapping; horizontal wave; stubbed plate ... See more keywords
Shear horizontal wave transducers for structural health monitoring and nondestructive testing: A review.
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DOI: 10.1016/j.ultras.2021.106355
Abstract: Shear horizontal (SH) waves are of great importance in structural health monitoring (SHM) and nondestructive testing (NDT), since the lowest order SH wave in isotropic plates is non-dispersive. The SH waves in plates, circumferential SH… read more here.
Keywords: health monitoring; wave transducers; structural health; wave ... See more keywords
Beam forming of shear horizontal guided waves by multi-row staggered magnet configurations.
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DOI: 10.1016/j.ultras.2021.106405
Abstract: This paper introduces the wave interferences effects of staggering multiple rows of Periodically Permanent Magnets (PPM) in an Electromagnetic Acoustic Transducer (EMAT) configuration to achieve selective beam forming effects such as steering, focusing and de-focusing… read more here.
Keywords: waves multi; beam forming; horizontal guided; forming shear ... See more keywords
Design of a new type of omnidirectional shear-horizontal EMAT by the use of half-ring magnets and PCB technology.
Sign Up to like & getrecommendations! Published in 2021 at "Ultrasonics"
DOI: 10.1016/j.ultras.2021.106465
Abstract: In this paper, an electromagnetic acoustic transducer (EMAT) for generating and receiving omnidirectional shear-horizontal (OSH) wave in aluminum plate is developed. The proposed OSH-EMAT consists of a specially designed printed circuit board (PCB) coil and… read more here.
Keywords: emat; ring magnets; omnidirectional shear; half ring ... See more keywords
Shear-lag modelling of surface-bonded magnetostrictive transducers for shear horizontal wave generation in a non-ferromagnetic plate
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DOI: 10.1088/1361-665x/abe183
Abstract: The fundamental shear horizontal (SH) wave in thin-walled structures shows appealing features for structural health monitoring (SHM) applications. Its efficient generation and reception however remain a critical and challenging issue. Magnetostrictive transducers (MsTs) show proven… read more here.
Keywords: generation; horizontal wave; wave generation; wave ... See more keywords
Size Matching Criterion of High Temperature Waveguide Transducer for Quasi-Fundamental Shear Horizontal Wave
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DOI: 10.1109/jsen.2021.3073427
Abstract: Structural health monitoring is potentially useful to improve the safety of critical pressure equipment serving in high-temperature environments, which is increasingly important in the process industry. A waveguide transducer enables the long-term monitoring of these… read more here.
Keywords: quasi fundamental; criterion; high temperature; matching criterion ... See more keywords
Unidirectional Shear Horizontal Wave Generation With Side-Shifted Periodic Permanent Magnets Electromagnetic Acoustic Transducer
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2020.3027246
Abstract: Periodic permanent magnet (PPM) array electromagnetic acoustic transducers (EMATs) can efficiently generate and receive shear horizontal (SH) ultrasonic waves. Conventional PPM EMATs typically generate waves which simultaneously propagate both forward and backward. This can complicate… read more here.
Keywords: unidirectional shear; periodic permanent; electromagnetic acoustic; generation ... See more keywords
Unidirectional Shear Horizontal Wave Generation by Periodic Permanent Magnets Electromagnetic Acoustic Transducer With Dual Linear-Coil Array
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2021.3084201
Abstract: Shear horizontal (SH) waves are commonly generated by periodic permanent magnet (PPM) electromagnetic acoustic transducers (EMATs) in metallic media. Conventional PPM EMATs generate ultrasonic waves, which simultaneously propagate both forward and backward. This can be… read more here.
Keywords: array; periodic permanent; electromagnetic acoustic; dual linear ... See more keywords
Reflection and Refraction of Shear Horizontal Waves in Peridynamic Medium
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DOI: 10.1155/2020/4139547
Abstract: This work uses peridynamic theory to obtain the internal force density of a shear horizontal (SH) wave, which is only connected with shear modulus. We then established the reflection equation of a SH wave in… read more here.
Keywords: medium; wave peridynamic; peridynamic medium; reflection ... See more keywords