Meisam Jalalvand
Orientation-dispersed pseudo-ductile hybrid composite laminates – A new lay-up concept to avoid free-edge delamination
Jalalvand, Meisam; Fotouhi, Mohamad; Wisnom, Michael R.
Authors
Abstract
Multi-Directional hybrid composites can suffer from free-edge delamination, a damage mode that doesn't exist in Uni-Directional hybrid composites and can hinder the pseudo-ductility that can be achieved with thin-ply hybrids. This paper presents a new lay-up concept called ‘orientation-dispersed’ laminates to avoid this mode of damage in quasi-isotropic hybrids. It is shown that the energy release rates at the free-edges of orientation-dispersed layups are significantly lower than those in ‘orientation-blocked’ laminates. Finally, the experimental results from two quasi-isotropic layups with π/3 and π/4 intervals are presented showing a good pseudo-ductility with no free-edge delamination.
Citation
Jalalvand, M., Fotouhi, M., & Wisnom, M. R. (2017). Orientation-dispersed pseudo-ductile hybrid composite laminates – A new lay-up concept to avoid free-edge delamination. Composites Science and Technology, 153, 232-240. https://doi.org/10.1016/j.compscitech.2017.10.011
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 14, 2017 |
Online Publication Date | Oct 17, 2017 |
Publication Date | Dec 1, 2017 |
Deposit Date | Oct 19, 2017 |
Publicly Available Date | Mar 29, 2024 |
Journal | Composites Science and Technology |
Print ISSN | 0266-3538 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 153 |
Pages | 232-240 |
DOI | https://doi.org/10.1016/j.compscitech.2017.10.011 |
Keywords | hybrid composites, fragmentation, non-linear behaviour, stress/strain curves, Finite Element Analysis (FEA) |
Public URL | https://uwe-repository.worktribe.com/output/877604 |
Publisher URL | http://dx.doi.org/10.1016/j.compscitech.2017.10.011 |
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