Numerical and Experimental Investigations on the Low Velocity Impact Properties of Glass Fiber Reinforced Epoxy Composites: Effects of Radius of Curvature 


Vol. 24,  No. 9, pp. 3289-3298, Sep.  2023
10.1007/s12221-023-00291-9


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  Abstract

This study was performed with the aim of investigating the Radius of Curvature Influence of glass fiber reinforced epoxy composites under Low Velocity Impact (LVI). Three different curvature radii of 10, 15, and 20 cm, as well as a sample with an infinite curvature radius (flat) of 9-ply laminated composite with woven roving glass fiber were employed for fabricating the specimens. Impact tests were performed using drop-weight impact device at different energy levels of 50, 100, and 150 J. Maximum force, absorbed energy, loading and unloading time, and damage area of the curved and flat composites laminated were evaluated. The results indicate that the absorption of energy increases with decreasing the curvature diameter, so that for sample D20, the amount of absorbed energy has increased on average 20%, for sample D15, 75% and for sample D10, 120% compared to the flat sample. Also the radius of curvature effects on peak load and loading and unloading times. Moreover, the low-velocity impact specifications of specimens were simulated using ABAQUS finite element software, and the results were compared with the experimental data.

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  Cite this article

[IEEE Style]

E. Avazpoor, A. H. Kazemian, H. Rahmani, "Numerical and Experimental Investigations on the Low Velocity Impact Properties of Glass Fiber Reinforced Epoxy Composites: Effects of Radius of Curvature," Fibers and Polymers, vol. 24, no. 9, pp. 3289-3298, 2023. DOI: 10.1007/s12221-023-00291-9.

[ACM Style]

Erfan Avazpoor, Amir Hossein Kazemian, and Hossein Rahmani. 2023. Numerical and Experimental Investigations on the Low Velocity Impact Properties of Glass Fiber Reinforced Epoxy Composites: Effects of Radius of Curvature. Fibers and Polymers, 24, 9, (2023), 3289-3298. DOI: 10.1007/s12221-023-00291-9.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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