Parametric study of guided ultrasonic wave propagation in carbon-fiber composite plates

3rd International Conference on Mechanical, Manufacturing and Process Plant Engineering

机械制造;工业技术

Ibrahim, N.A.^1 ; Kamarudin, M.A.^1 ; Jurimi, M.H.F.M.^1 ; Murat, B.I.S.^1

Faculty of Mechanical Engineering, Universiti Teknologi MARA (UiTM), Selangor, Shah Alam

40450, Malaysia^1

关键词: 3D-finite element analysis;    Carbon fiber composite;    Composite models;    Composite plates;    Excitation frequency;    Guided ultrasonic waves;    Low-velocity impact damage;    Non-destructive monitoring;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/328/1/012020/pdf
DOI  :  10.1088/1757-899X/328/1/012020

学科分类：工业工程学

来源: IOP

【 摘 要 】

The aim of this work is to study the guided ultrasonic wave (GUW) behaviour in composite plates using 3D Finite Element Analysis (FEA). Two types of composite models are chosen: plates with and without damage. The damage is modelled as a circular-shaped delamination inside the plate, representing one kind of low-velocity impact damage. Parameters such as excitation frequency, monitoring directivity, plate thickness, delamination size and shape were used to investigate the influence of these parameters on the GUW propagation and scattering behaviour. The models were constructed and coded in Matlab platform, while the simulations were performed in ABAQUS Explicit. From the results, the received signals have shown a strong dependency on the parameters. Significant scattering from the models with delamination were also observed, which indicates the possibility of using GUW for rapid non-destructive monitoring of composite panels and structures.