2026-04-18T02:37:06Zhttps://recercat.cat/oai/request

oai:recercat.cat:10256/262142025-02-04T00:07:14Zcom_2072_452955com_2072_2054col_2072_453061

2025-02-04T00:07:14Z urn:hdl:10256/26214 An analytical model to predict stress fields around broken fibres and their effect on the longitudinal failure of hybrid composites Guerrero Garcia, José Manuel Tavares, Rodrigo Paiva Otero, Fermin Mayugo Majó, Joan Andreu Costa i Balanzat, Josep Turon Travesa, Albert Camanho, Pedro Manuel Ponces Rodrigues de Castro Materials compostos Esforç i tensió Micromecànica Composite materials Strains and stresses Micromechanics Concentració de tensions Stress concentration This paper presents an analytical model to predict the stress redistribution around broken fibres in hybrid polymer composites. The model is used under the framework of a progressive failure approach to study the load redistribution around breaks in hybrid composites. The outcomes of the model are validated by comparing it with a spring element model. Moreover, the approach is further used to study the tensile behaviour of different hybrid composites. The results obtained show that the load redistribution around breaks depends on the stiffness ratio between both fibres as well as the matrix behaviour considered and the hybrid volume fraction. Furthermore, the different material parameters have a large effect on the tensile behaviour, with an increase of ductility achieved if the failure process of the two fibres is gradual 2025-02-04T00:07:14Z 2025-02-04T00:07:14Z 2019-03-01 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion peer-reviewed http://hdl.handle.net/10256/26214 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.compstruct.2018.12.044 info:eu-repo/semantics/altIdentifier/issn/0263-8223 info:eu-repo/semantics/altIdentifier/eissn/1879-1085 Reconeixement-NoComercial-SenseObraDerivada 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0 info:eu-repo/semantics/openAccess Elsevier © Composite Structures, 2018, vol. 211, p. 564-576 Articles publicats (D-EMCI) Guerrero Garcia, José Manuel Tavares, Rodrigo Paiva Otero, Fermin Mayugo Majó, Joan Andreu Costa i Balanzat, Josep Turon Travesa, Albert Camanho, Pedro Manuel Ponces Rodrigues de Castro 2018 An analytical model to predict stress fields around broken fibres and their effect on the longitudinal failure of hybrid composites Composite Structures 211 564 576