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Pseudo-ductility and reduced notch sensitivity in multi-directional all-carbon/epoxy thin-ply hybrid composites

Cz�l, Gergely; Rev, Tamas; Jalalvand, Meisam; Fotouhi, Mohammad; Longana, Marco L.; Nixon-Pearson, Oliver J.; Wisnom, Michael R.

Pseudo-ductility and reduced notch sensitivity in multi-directional all-carbon/epoxy thin-ply hybrid composites Thumbnail


Authors

Gergely Cz�l

Tamas Rev

Meisam Jalalvand

Marco L. Longana

Oliver J. Nixon-Pearson

Michael R. Wisnom



Abstract

© 2017 The Author(s) Un-notched and notched tensile response and damage accumulation of quasi-isotropic carbon/epoxy hybrid laminates made of ultra-high modulus and intermediate modulus carbon fibre/epoxy thin-ply prepregs were studied. It was confirmed that the ply fragmentation demonstrated previously in unidirectional hybrids as a successful pseudo-ductility mechanism can be transferred to multi-directional laminates. Furthermore, reduced notch sensitivity was demonstrated in quasi-isotropic specimens for both open holes and sharp notches as a result of local ply fragmentation around the notch.

Citation

Czél, G., Rev, T., Jalalvand, M., Fotouhi, M., Longana, M. L., Nixon-Pearson, O. J., & Wisnom, M. R. (2018). Pseudo-ductility and reduced notch sensitivity in multi-directional all-carbon/epoxy thin-ply hybrid composites. Composites Part A: Applied Science and Manufacturing, 104, 151-164. https://doi.org/10.1016/j.compositesa.2017.10.028

Journal Article Type Article
Acceptance Date Oct 25, 2017
Online Publication Date Nov 14, 2017
Publication Date Jan 1, 2018
Deposit Date Nov 20, 2017
Publicly Available Date Mar 29, 2024
Journal Composites Part A: Applied Science and Manufacturing
Print ISSN 1359-835X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 104
Pages 151-164
DOI https://doi.org/10.1016/j.compositesa.2017.10.028
Keywords B. fragmentation, B. delamination, C. damage mechanics, D. mechanical testing
Public URL https://uwe-repository.worktribe.com/output/872697
Publisher URL http://dx.doi.org/10.1016/j.compositesa.2017.10.028

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