The early work on long range guided wave nondestructive testing (NDT) was largely done in
industry, and multiple applications were developed before a surge in academic interest …

This paper reports an investigation on the use of Rayleigh wave mixing method for the
debonding detection in concrete structures strengthened with externally bonded fibre …

The utilization of L-shaped bends has become widespread due to their versatility and ease
of application in various industrial fields. Nevertheless, the geometric configuration of these …

In this paper, different characteristics of micro-cracks on the surface of turbine blades have
been successfully evaluated based on the detection of Rayleigh ultrasonic wave by …

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 …

Cumulative second harmonic generation (SHG), where the amplitude of the generated
second harmonic increases with propagation distance, is commonly utilized to enhance the …

Based on the guided wave, a crack detection method for U-shaped flexural plate (UFP) butt
welds is established to realize damage localization and quantitative identification. Firstly, the …

In this paper, defect detection and identification in aluminium joints is investigated based on
guided wave monitoring. Guided wave testing is first performed on the selected damage …

Dispersion of broadband surface acoustic waves (SAWs) is often used for the nondestructive
evaluation of near-surface elastic properties of materials. The accurate forward model of …

The safety of railway transportation is crucial to social and economic development.
Therefore, real-time monitoring of the rail is particularly necessary. The current track circuit …