Research into the use of nonlinear ultrasonic guided waves for nondestructive evaluation is
expanding at a high rate because of the great potential benefit that they possess for early …

In order to study the application of ultrasonic Lamb wave in the detection of defective plates,
a nonlinear Lamb wave detection system was established. The system was used to detect …

Considering the high sensitivity of the nonlinear ultrasonic measurement technique and
great advantages of the guided wave testing method, the use of nonlinear ultrasonic guided …

This paper experimentally investigates the early stage damage caused by the surface
corrosion in thin plates based on two nonlinear Lamb wave methods, which are the low …

Most previous studies on nonlinear Lamb waves are conducted using mode pairs that
satisfying strict phase velocity matching and non-zero power flux criteria. However, there are …

Mutual wave interactions provide a very promising technique for nondestructive testing and
evaluation due to their exceptional sensitivity to micro-scale damage growth in metallic …

Harmonic generation from non-cumulative fundamental symmetric (S 0) and antisymmetric
(A 0) modes in plate is studied from a numerical standpoint. The contribution to harmonic …

Since the identification of micro-cracks in engineering materials is very valuable in
understanding the initial and slight changes in mechanical properties of materials under …

This paper investigates the propagation of Lamb waves in thin plates with quadratic
nonlinearity by one-way mixing method using numerical simulations. It is shown that an A 0 …

The incipient defect is difficult to be identified by ultrasonic signal analysis. The nonlinear
ultrasonic method based on the nonlinear Lamb wave principle is proposed by establishing …