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Compact tension test behaviour of Pseudo-ductile thin-ply carbon/ glass hybrids

Fotouhi, Mohammad; Jalalvand, Meisam; Xu, Xiaodong; Wisnom, Michael

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Authors

Meisam Jalalvand

Xiaodong Xu

Michael Wisnom



Abstract

The aim of this work was to investigate the notched behaviour of thin ply pseudo-ductile carbon/glass hybrid laminates with in-plane Over-height Compact Tension (OCT) specimens. Therefore, a series of tests were performed on two different thin-ply carbon/glass hybrid configurations fabricated from Quasi Isotropic (QI) hybrid constituents and architectures. The first consisted of thin ply carbon M46JB/thin ply glass (X-strand) and the second thin-ply carbon TC35/standard thickness S-glass prepregs. For comparison, all glass and all carbon laminates were investigated as well. A detailed assessment of the damage evolution was carried out using X-ray Computed Tomography (CT). Results show that the hybrid configurations have a higher stiffness compared to the all glass samples. A progressive and gradual failure of the hybrids resulted in gradual load-pin opening displacement (POD) curves, where there was no significant sudden load-drop that happened for the all carbon laminates due to the catastrophic failure mechanisms. The damage in the hybrid configurations was visually detectable and agreed well with the CT-scan results, whereas it was not feasible to see the damage easily for the all glass and all carbon configurations.

Citation

Fotouhi, M., Jalalvand, M., Xu, X., & Wisnom, M. (2018, September). Compact tension test behaviour of Pseudo-ductile thin-ply carbon/ glass hybrids. Presented at ICCS21, Bologna, Italy

Presentation Conference Type Speech
Conference Name ICCS21
Conference Location Bologna, Italy
Start Date Sep 4, 2018
End Date Sep 7, 2018
Acceptance Date Jul 5, 2018
Publicly Available Date Mar 29, 2024
Peer Reviewed Peer Reviewed
Keywords compact tension, pseudo-ductile, thin-ply, carbon/ glass hybrids
Public URL https://uwe-repository.worktribe.com/output/864771
Additional Information Title of Conference or Conference Proceedings : ICCS21

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