Low velocity impact and compression after impact of thin and thick laminated carbon fiber composite panels

Seamone, Andrew; Davidson, Paul; Waas, Anthony M.; Ranatunga, Vipul

doi:10.1016/j.ijsolstr.2024.112745

International Journal of Solids and Structures

2024

DOI: 10.1016/j.ijsolstr.2024.112745

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Low velocity impact and compression after impact of thin and thick laminated carbon fiber composite panels

Andrew Seamone,

Paul Davidson,

Anthony M. Waas

et al.

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2024

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Cited by 4 publications

References 35 publications

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Experimental investigation on the compression‐after‐double‐impact behaviors of GFRP laminates embedded with aluminum mesh

Xie,

Wan,

Wang

et al. 2024

Polymer Composites

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Drawing inspiration from carp scales to manufacture specimens, we investigated the effect of embedding aluminum mesh on the two‐point low‐velocity impact (LVI) and compression‐after‐double‐impact (CAI) behavior of glass fiber‐reinforced polymer (GFRP) laminates, fabricated via the hot‐pressing process, varying lay‐up angle of both fiber and aluminum mesh. INSTRON 9340 performs LVI loading tests at the same impact distance and with four different incidence energies. Further, in addition to their post‐impact damage characterized by an ultrasonic C‐scan, their failure evolution of compression after impact was presented according to strain contour obtained from the digital image correlation (DIC) and scanning electron microscope (SEM) technique. After comparing the response history and damage morphology of various panels, it was found that the addition of aluminum mesh could improve the ductility of the panels and promote their performance in low‐velocity impact events. This enhancement stems from the ability of the ductile aluminum mesh net to effectively absorb and redistribute impact energy in the vicinity of the impact point. It is noteworthy that the damaged area of specimens with different layup angles following low‐velocity impact exhibits the following pattern: VG8VAl > VG8IAl > IG8IAl.Highlights Mechanical behavior on two‐point LVI test of laminates varying layup angles. The LVI and CAI performance was analyzed by C‐scan, SEM, and DIC. Compressive failure mode is brittle fracture at the impact area. The resin fills holes in the aluminum mesh to improve sample impact property. Laminates with aluminum mesh have less damage but a larger damage area.

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Experimental investigation on the compression‐after‐double‐impact behaviors of GFRP laminates embedded with aluminum mesh

Xie,

Wan,

Wang

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

Synergistic improvement of the compression-after-impact performance of composite laminates by multi-scale CNF/Z-pin reinforcement

Zhao,

Li,

Zhao

et al. 2024

Thin-Walled Structures

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Surrogate PHFGMC micromechanical models for multiscale analysis: AI-enhanced low-velocity impact analysis of hat-stiffened composite panels

Hochster,

Ranatunga,

Shemesh

et al. 2024

Journal of Composite Materials

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The Parametric High-Fidelity Generalized Method of Cells (PHFGMC) has been established as an advanced micromechanical approach well-suited for analyzing the material nonlinearity and failure behavior of diverse periodic composite materials. In order to overcome the prohibitive computational cost of integrating micromechanical models into multiscale structural analyses as constitutive models, a proxy-surrogate modeling approach has been proposed by implementing a reduction modeling approach with deep Artificial Neural Networks (DNNs or ANNs). The PHFGMC-ANN approach has been employed to investigate the low velocity impact (LVI) analyses of hat-stiffened laminated composite panels under impact loading at various locations and energies with two different support conditions. Subsequent analysis of stiffened panels under compression loading has been conducted to understand the failure behavior of impacted panels. Further investigation was conducted into the separation between the skin and the stiffener, focusing on a single hat-stiffened coupon subjected to LVI. The analysis results have been compared against the experimental tests, and the comparison of interlaminar delamination has been used to demonstrate the efficacy of the new framework in integrating refined nonlinear micromechanical models within a multiscale analysis.

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Low velocity impact and compression after impact of thin and thick laminated carbon fiber composite panels

Cited by 4 publications

References 35 publications

Experimental investigation on the compression‐after‐double‐impact behaviors of GFRP laminates embedded with aluminum mesh

Experimental investigation on the compression‐after‐double‐impact behaviors of GFRP laminates embedded with aluminum mesh

Synergistic improvement of the compression-after-impact performance of composite laminates by multi-scale CNF/Z-pin reinforcement

Surrogate PHFGMC micromechanical models for multiscale analysis: AI-enhanced low-velocity impact analysis of hat-stiffened composite panels

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