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EXPERIMENTAL INVESTIGATION ON BEARING BEHAVIOR AND FAILURE MECHANISM OF HYBRID THIN/THICK-PLY COMPOSITE LAMINATES
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
RISE SICOMP, Piteå, Sweden.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
Oxeon AB, Sweden.
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2022 (English)In: ECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability / [ed] Vassilopoulos A.P., Michaud V., Composite Construction Laboratory (CCLab), Ecole Polytechnique Federale de Lausanne (EPFL) , 2022, Vol. 3, p. 999-1006Conference paper, Published paper (Refereed)
Abstract [en]

The effect of using thin plies to increase the bearing strength of composite laminates was investigated. Five different composite laminates were manufactured using a single material system with varying proportions of thin plies (100% thick-ply, 50% thin-ply and 100% thin-ply). Bearing tests were performed and the results from the tests are investigated. The results show that performance in terms of bearing strength at onset of damage, and ultimate bearing stress increase proportionally with the increasing amount of thin plies within the stack. Microscopic examination of the failure modes for all laminates was performed at the center of the hole to determine the dominant failure mode. Transition zone was investigated where both thin and thick plies were designed so that the thin plies are used only when more strength is required. © 2022 Loukil et al.

Place, publisher, year, edition, pages
Composite Construction Laboratory (CCLab), Ecole Polytechnique Federale de Lausanne (EPFL) , 2022. Vol. 3, p. 999-1006
Keywords [en]
Bearing strength; Hybrid laminate; Matrix crack; Thin Ply
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:liu:diva-197379Scopus ID: 2-s2.0-85149170816ISBN: 9782970161400 (print)OAI: oai:DiVA.org:liu-197379DiVA, id: diva2:1793770
Conference
20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022, Lausanne 26 June - 30 June 2022
Available from: 2023-09-03 Created: 2023-09-03 Last updated: 2023-09-03

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Loukil, Mohamed SahbiSegersäll, Mikael

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