Mohammad Fotouhi Mohammad.Fotouhi@uwe.ac.uk
Lecturer in Aerospace Structures
The high strain rate tension behaviour of pseudo-ductile high performance thin ply composites
Fotouhi, Mohammad; Fuller, Jonathan; Longana, Marco; Jalalvand, Meisam; Wisnom, Michael R.
Authors
Jonathan Fuller
Marco Longana
Meisam Jalalvand
Michael R. Wisnom
Abstract
In this study the effect of strain rate in tension on two different types of thin-ply pseudo-ductile laminates is reported. These comprised Unidirectional (UD) and quasi-isotropic (QI) hybrids made from low strain thin-ply carbon/epoxy and high strain glass/epoxy prepreg and all-carbon laminates made from thin-ply [±ϴ/0]s laminates referred to as angle-ply (AP) composites. Laminates were designed and subjected to a range of cross-head speeds from 2 mm/min (0.0003 s-1) to 10 m/s (100 s-1). The designed laminates were made from single or hybrids of low strain and high strain unidirectional prepregs, i.e. thin-ply Carbon/epoxy and Glass/epoxy, respectively. Dynamic stress–strain plots and details of the damage mechanisms were obtained for each sample and compared with the quasi-static test results. The investigated thin-ply UD and QI hybrid composite laminates showed excellent pseudo-ductility at different strain rates, whereas the AP laminates were strain rate dependent and pseudo-ductility decreased with increasing strain rate.
Citation
Fotouhi, M., Fuller, J., Longana, M., Jalalvand, M., & Wisnom, M. R. (2019). The high strain rate tension behaviour of pseudo-ductile high performance thin ply composites. Composite Structures, 215, 365-376. https://doi.org/10.1016/j.compstruct.2019.02.068
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 18, 2019 |
Online Publication Date | Feb 19, 2019 |
Publication Date | May 1, 2019 |
Deposit Date | Feb 18, 2019 |
Publicly Available Date | Mar 29, 2024 |
Journal | Composite Structures |
Print ISSN | 0263-8223 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 215 |
Pages | 365-376 |
DOI | https://doi.org/10.1016/j.compstruct.2019.02.068 |
Keywords | pseudo-ductility, hybrid, quasi-isotropic, angle-ply, high strain rate, thin-ply |
Public URL | https://uwe-repository.worktribe.com/output/847475 |
Publisher URL | https://doi.org/10.1016/j.compstruct.2019.02.068 |
Additional Information | Additional Information : This is the author's accepted manuscript. The final published version is available here: https://doi.org/10.1016/j.compstruct.2019.02.068 |
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