[HTML][HTML] In situ laser-ultrasonic monitoring of Poisson's ratio and bulk sound velocities of steel plates during thermal processes
We demonstrate the in situ measurement of zero-group-velocity Lamb waves and thickness-
resonances in steel sheet samples using laser-based ultrasound, while changing the …
resonances in steel sheet samples using laser-based ultrasound, while changing the …
Determining longitudinal and transverse elastic wave attenuation from zero-group-velocity Lamb waves in a pair of plates
A method for the determination of longitudinal and transverse bulk acoustic wave
attenuation from measurements of the decay-rate of two independent zero-group-velocity …
attenuation from measurements of the decay-rate of two independent zero-group-velocity …
Free radical generation from high-frequency electromechanical dissociation of pure water
We reveal a unique mechanism by which pure water can be dissociated to form free radicals
without requiring catalysts, electrolytes, or electrode contact by means of high-frequency …
without requiring catalysts, electrolytes, or electrode contact by means of high-frequency …
Surface acoustic wave attenuation in polycrystals: Numerical modeling using a statistical digital twin of an actual sample
Grain boundary scattering-induced attenuation and phase-velocity dispersion of Rayleigh-
type surface acoustic waves are studied with a time-domain finite-element method (FEM) …
type surface acoustic waves are studied with a time-domain finite-element method (FEM) …
Demonstration of coherent interference between acoustic waves using a fiber ring resonator
Optical fibers were previously demonstrated to propagate and detect acoustic modes that
were converted from Lamb waves for structural health-monitoring applications; typically, a …
were converted from Lamb waves for structural health-monitoring applications; typically, a …
[HTML][HTML] Measurement of the attenuation of elastic waves at GHz frequencies using resonant thickness modes
We present an evaluation of attenuation of elastic waves in the GHz range, based on the
decay of thickness-stretch resonances of plates. We measured the elastic response of micro …
decay of thickness-stretch resonances of plates. We measured the elastic response of micro …
[HTML][HTML] Laser array line source with adjustable period used for LGUS chemical corrosion detection
D Yao, H Qiang, D Wang, K He, J Zhang, Z Li… - Journal of Saudi …, 2022 - Elsevier
A novel optical arrangement to generate a laser array line source of laser-generated
ultrasound based on two-beam interference is proposed. The arrangement simplifies the …
ultrasound based on two-beam interference is proposed. The arrangement simplifies the …
Ultrasonic backscattering model for Rayleigh waves in polycrystals with Born and independent scattering approximations
S Li, M Huang, Y Song, B Lan, X Li - Ultrasonics, 2024 - Elsevier
This paper presents theoretical and numerical models for the backscattering of 2D Rayleigh
waves in single-phase, untextured polycrystalline materials with statistically equiaxed …
waves in single-phase, untextured polycrystalline materials with statistically equiaxed …
Attenuation and dispersion of leaky Rayleigh wave in polycrystals
S Li, Y Song, X Li - The Journal of the Acoustical Society of America, 2022 - pubs.aip.org
In this work, we use the characteristic equation of leaky Rayleigh waves (LRWs) and a
unified approach of bulk waves proposed by Stanke and Kino [J. Acoust. Soc. Am. 75, 665 …
unified approach of bulk waves proposed by Stanke and Kino [J. Acoust. Soc. Am. 75, 665 …
Attenuation and phase velocity of elastic wave in textured polycrystals with ellipsoidal grains of arbitrary crystal symmetry
G Sha - Acoustics, 2020 - mdpi.com
This study extends the second-order attenuation (SOA) model for elastic waves in texture-
free inhomogeneous cubic polycrystalline materials with equiaxed grains to textured …
free inhomogeneous cubic polycrystalline materials with equiaxed grains to textured …