A finite element model for predicting the static strength of a composite hybrid joint with reinforcement pins

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dc.contributor.authorBianchi, Francesco
dc.contributor.authorLiu, Yiding
dc.contributor.authorJoesbury, Adam M.
dc.contributor.authorAyre, David
dc.contributor.authorZhang, Xiang
dc.date.accessioned2023-06-15T14:55:36Z
dc.date.available2023-06-15T14:55:36Z
dc.date.issued2023-04-22
dc.description.abstractThis paper presents a finite element model for predicting the performance and failure behaviour of a hybrid joint assembling fibrous composites to a metal part with reinforcement micro pins for enhancing the damage tolerance performance. A unit-strip model using the cohesive elements at the bond interface is employed to simulate the onset and propagation of debonding cracks. Two different traction–separation laws for the interface cohesive elements are employed, representing the fracture toughness properties of the plain adhesive bond and a pin-reinforced interface, respectively. This approach can account for the large-scale crack-bridging effect of the pins. It avoids using concentrated pin forces in the numerical model, thus removing mesh-size dependency, and permitting more accurate and robust computational analysis. Lap joints reinforced with various pin arrays were tested under quasi-static load. Predicted load versus applied displacement relations are in good agreement with the test results, especially for the debonding onset and early stage of crack propagation.en_UK
dc.identifier.citationBianchi F, Liu Y, Joesbury AM, et al., (2023) A finite element model for predicting the static strength of a composite hybrid joint with reinforcement pins. Materials, Volume 16, Issue 9, April 2023, Article number 3297en_UK
dc.identifier.issn1996-1944
dc.identifier.urihttps://doi.org/10.3390/ma16093297
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19796
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcomposite hybrid jointsen_UK
dc.subjectpin-reinforcementen_UK
dc.subjectstatic strengthen_UK
dc.subjectFEAen_UK
dc.subjectexperimenten_UK
dc.titleA finite element model for predicting the static strength of a composite hybrid joint with reinforcement pinsen_UK
dc.typeArticleen_UK

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