1. Study of Hybrid Composite Joints with Thin-Ply-Reinforced Adherends.
- Author
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Ramezani, Farin, Carbas, Ricardo J. C., Marques, Eduardo A. S., and da Silva, Lucas F. M.
- Subjects
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HYBRID materials , *COMPOSITE materials , *TRANSVERSE strength (Structural engineering) , *TENSILE strength , *LAP joints , *LAMINATED materials - Abstract
It has been demonstrated that a possible solution to reducing delamination in a unidirectional composite laminate lies in the replacement of conventional carbon-fibre-reinforced polymer layers with optimized thin-ply layers, thus creating hybrid laminates. This leads to an increase in the transverse tensile strength of the hybrid composite laminate. This study investigates the performance of a hybrid composite laminate reinforced by thin plies used as adherends in bonded single lap joints. Two different composites with the commercial references Texipreg HS 160 T700 and NTPT-TP415 were used as the conventional composite and thin-ply material, respectively. Three configurations were considered in this study: two reference single lap joints with a conventional composite or thin ply used as the adherends and a hybrid single lap. The joints were quasi-statically loaded and recorded with a high-speed camera, allowing for the determination of damage initiation sites. Numerical models of the joints were also created, allowing for a better understanding of the underlying failure mechanisms and the identification of the damage initiation sites. The results show a significant increase in tensile strength for the hybrid joints compared to the conventional ones as a result of changes in the damage initiation sites and the level of delamination present in the joint. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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