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Experimental and numerical investigation on bearing behavior of hybrid thin/thick-ply composite laminates
Linköping University, Sweden.ORCID iD: 0000-0003-4472-1742
RISE Research Institutes of Sweden.ORCID iD: 0000-0002-2940-5752
RISE Research Institutes of Sweden, Materials and Production, Polymer, Fiber and Composite.ORCID iD: 0009-0002-8171-2159
Linköping University, Sweden.
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2024 (English)In: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085, Vol. 331, article id 117888Article in journal (Refereed) Published
Abstract [en]

Experimental and numerical studies were carried out to characterize hybrid thin- and thick-ply composite laminates and assess modelling capabilities. Five different composite laminates were manufactured using a single material system with varying proportions of thin plies (0%, 50%, and 100% thin-ply). Bearing tests were performed and the results from the tests were investigated. The results showed that performance, in terms of bearing strength at onset of damage and ultimate bearing stress, increased proportionally with the increasing amount of thin plies within the laminate. Microscopic examination of the failure modes for all laminates was performed at the center of the hole to determine the dominant failure mode. The numerical investigation uses a highly detailed mesoscale model previously validated for crash simulations but never used successfully to bearing damage areas. The results showed a good correlation regarding both the load response and the morphology of damage. 

Place, publisher, year, edition, pages
Elsevier Ltd , 2024. Vol. 331, article id 117888
Keywords [en]
Bearing strength, Composites, Hybrid laminate, Matrix crack, Thin Ply, Failure modes, Hybrid composites, Bearing behaviors, Bearing strengths, Composite laminate, Experimental and numerical studies, Experimental investigations, Hybrid laminates, Numerical investigations, Ply composites, Laminated composites
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-71952DOI: 10.1016/j.compstruct.2024.117888Scopus ID: 2-s2.0-85182392642OAI: oai:DiVA.org:ri-71952DiVA, id: diva2:1840890
Available from: 2024-02-27 Created: 2024-02-27 Last updated: 2025-09-23Bibliographically approved

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Sahbi Loukil, MohamedCosta, SergioBergwall, MatsOlsson, Robin

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