Buckling assessment of GFRP and carbon fiber-reinforced plastic filament-wound tubes using an acoustic emission-based methodology

Journal article (2023)

Authors

Sajad Alimirzaei Amirkabir University of Technology
Mehdi Ahmadi Najafabadi Amirkabir University of Technology
Amir Bani Mohammad Ali Amirkabir University of Technology
Lotfollah Pahlavan Ship and Offshore Structures - Mechanical, Maritime and Materials Engineering
Research Group
Ship and Offshore Structures (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2023 Sajad Alimirzaei, Mehdi Ahmadi Najafabadi, Amir Bani Mohammad Ali, Lotfollah Pahlavan
DOI
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https://doi.org/10.1177/07316844231197531
Failure mechanisms Finite element simulation Acoustic emission Buckling analysis Filament wound composite tubes
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Published Date

2023

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Marine and Transport Technology

Research Group

Ship and Offshore Structures

Abstract

The aim of this research is to investigate the failure mechanisms of the filament-wound composite tubes under axial compressional loading by using an acoustic emission approach. First, the mechanical properties of ±45°C composite tubes were obtained experimentally. Then, failure due to the buckling phenomenon and crashworthiness characteristics were studied utilizing numerical simulation and experimental methods. Tubes were next simulated in ABAQUS software, and a continuum damage mechanics model was implemented in a progressive framework to assess the failure modes. From the macroscale view, results showed that the damage behavior of composite tubes turned out to be dominated by local buckling followed by a post-buckling field, which is generated by longitudinal cracks along the winding direction. On the micro-scale, the acoustic emission-based procedure based on the wavelet packet transform method was adopted. The hierarchical modeled assessment resulted in the identity of four clusters of AE signals. In GFRP tubes, the fiber breakage and fiber/matrix separation could mostly control the higher percentage of damage and cause to increase the energy absorption. Finally, by comparing the results obtained from micro and macro scales, the local buckling failure mode was attributed to the low content of fiber/matrix debonding in the structure.