Investigation of frequency-dependent attenuation coefficients for multiple solids using a reliable pulse-echo ultrasonic measurement technique
A well-established narrowband pulse-echo technique is employed and improved further to
investigate the frequency-dependent ultrasonic wave attenuation in various solids. During …
investigate the frequency-dependent ultrasonic wave attenuation in various solids. During …
Influence of grouted sleeve and concrete strength of fabricated shear wall on acoustic emission detection method for sleeve compactness
S Li, X Liu, Y Ma, L Zhang, H Feng - Journal of Building Engineering, 2021 - Elsevier
It has been verified by relevant studies that the nondestructive detection method combining
acoustic emission (AE) technology and signal generator can be used to detect sleeve …
acoustic emission (AE) technology and signal generator can be used to detect sleeve …
Ultrasonic signal modality: A novel approach for concrete damage evaluation
In this paper, a new approach for characterizing material damage, using ultrasonic waves, is
proposed. Two concrete series with two types of cement with different C 3 A content and …
proposed. Two concrete series with two types of cement with different C 3 A content and …
Numerical and experimental study of ultrasonic seismic waves propagation and attenuation on high‐quality factor samples
We propose an approach for measuring seismic attenuation at ultrasonic frequencies on
laboratory‐scale samples. We use a Gaussian filter to select a bandwidth of frequencies to …
laboratory‐scale samples. We use a Gaussian filter to select a bandwidth of frequencies to …
Investigation of the ultrasonic attenuation in anisotropic weld materials with finite element modeling and grain-scale material description
PE Lhuillier, B Chassignole, M Oudaa, SO Kerhervé… - Ultrasonics, 2017 - Elsevier
A finite element modeling approach of ultrasonic propagation combined with a description of
the microstructure at the scale of the grains has been implemented. The simulations seek to …
the microstructure at the scale of the grains has been implemented. The simulations seek to …
Ultrasonic and impact spectroscopy monitoring on internal sulphate attack of cement-based materials
An exhaustive monitoring of an internal sulphate attack of Portland cement-based materials
is addressed. Four series of Portland cement mortars with different amounts of gypsum (0 …
is addressed. Four series of Portland cement mortars with different amounts of gypsum (0 …
Effect of temperature on ultrasonic velocities, attenuations, reflection and transmission coefficients between motor oil and carbon steel estimated by pulse-echo …
In this research, the dependence of the velocities and the absorption coefficients of
ultrasonic waves propagated in 1018 low carbon steel on temperature range from 0 o C to …
ultrasonic waves propagated in 1018 low carbon steel on temperature range from 0 o C to …
Optimized ultrasonic attenuation measures for non-homogeneous materials
In this paper the study of frequency-dependent ultrasonic attenuation in strongly
heterogeneous materials is addressed. To determine the attenuation accurately over a wide …
heterogeneous materials is addressed. To determine the attenuation accurately over a wide …
Ultrasonic characterization of GRC with high percentage of fly ash substitution
New applications of non-destructive techniques (NDT) with ultrasonic tests (attenuation and
velocity by means of ultrasonic frequency sweeps) have been developed for the …
velocity by means of ultrasonic frequency sweeps) have been developed for the …
Particle size characterization in liquid–solid dispersion with aggregates by broadband ultrasound attenuation
H Yu, C Tan, F Dong - IEEE Transactions on Instrumentation …, 2021 - ieeexplore.ieee.org
Ultrasound attenuation methods for particle size characterization generally assume that the
dispersed phases are uniformly dispersed in the continuous phase. However, the …
dispersed phases are uniformly dispersed in the continuous phase. However, the …