Damage detection in the T-welded joint using Rayleigh-like feature guided wave
Steel T-welded joint structures have been largely applied in aerospace and marine
infrastructures. The weld length in T-weld joint structures is usually long, and it is difficult to …
infrastructures. The weld length in T-weld joint structures is usually long, and it is difficult to …
Fatigue crack detection in edges of thin-walled structures with corners using the fundamental mode of edge waves
Non-destructive detection and evaluation of fatigue cracks is critical to maintain safety and
effective operation of high-value assets working under cyclic loading. However, this can be …
effective operation of high-value assets working under cyclic loading. However, this can be …
Numerical modeling with experimental verification investigating the effect of various nonlinearities on the sideband peak count-index technique
A newly developed nonlinear ultrasonic (NLU) technique called sideband band peak count-
index (or SPC-I) measures the degree of nonlinearity in materials by counting the sideband …
index (or SPC-I) measures the degree of nonlinearity in materials by counting the sideband …
Frequency-dependent scattering of wideband laser-generated Rayleigh waves for vertical surface crack characterization
Wideband laser-generated Rayleigh waves have been extensively exploited for surface
crack characterization, most of which, nonetheless, are of a nature of either numerical …
crack characterization, most of which, nonetheless, are of a nature of either numerical …
[HTML][HTML] Numerical and experimental investigations on quasistatic pulse generation of ultrasonic guided waves in fiber reinforced composite pipes
The quasistatic pulse (QSP) generation of ultrasonic guided waves in composite pipes can
exhibit many features that are useful for early-stage material characterization and structural …
exhibit many features that are useful for early-stage material characterization and structural …
Quasistatic component generation of group velocity mismatched guided waves in tubular structures for microdamage localization
Quasistatic component (QSC) of guided wave (GW) has relatively low attenuation due to low
frequency and high sensitivity to microdamage. The group velocity matching between …
frequency and high sensitivity to microdamage. The group velocity matching between …
Synthetic aperture focusing imaging for defect detection in highly attenuative materials using quasi-static components of ultrasonic longitudinal waves
Considering the fact that the acoustic attenuation increases with the carrier frequency, the
attention shifts towards the low-frequency ultrasonic waves in the field of ultrasonic …
attention shifts towards the low-frequency ultrasonic waves in the field of ultrasonic …
Defects evaluation near edges of structural elements using the fundamental mode of edge waves
Structural elements with edges are widely used across many industries and applications;
examples include tapered flange beams and the footing of rail tracks. The distant defect …
examples include tapered flange beams and the footing of rail tracks. The distant defect …
[HTML][HTML] Numerical and experimental investigations on quasi-static component generation of longitudinal wave propagation in isotropic pipes
In this paper, the quasi-static component (QSC) generation of longitudinal waves
propagating in an isotropic pipe is investigated numerically and experimentally. The three …
propagating in an isotropic pipe is investigated numerically and experimentally. The three …
Assessment of thermal damage in polymethyl methacrylate using quasi-static components of ultrasonic waves
A nonlinear acoustic response can be an effective indicator of early-stage damage in a
material. However, it is challenging to use this approach to assess thermal damage in highly …
material. However, it is challenging to use this approach to assess thermal damage in highly …