Nonlinear Lamb wave analysis for microdefect identification in mechanical structural health assessment
Abstract
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 aluminum alloy plates with different depth cracks and aluminum alloy plates with different tensile load cycles. The acquired time domain waveforms are analyzed by Fast Fourier Transform (FFT), and the influence of two kinds of defects on the nonlinear effects of Lamb...
Paper Details
Title
Nonlinear Lamb wave analysis for microdefect identification in mechanical structural health assessment
Published Date
Nov 1, 2020
Journal
Volume
164
Pages
108026 - 108026
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