Please use this identifier to cite or link to this item: https://repositorio-aberto.up.pt/handle/10216/99022
Author(s): Raul Duarte Salgueiral Gomes Campilho
Marcelo Francisco de Sousa Ferreira de Moura
Dimitra Ramantani
J. J. L. Morais
J. Sabino Domingues
Title: Buckling Behaviour of Carbon-Epoxy Adhesively-Bonded Scarf Repairs
Issue Date: 2009
Abstract: The presentworkisdedicatedtotheexperimentalandnumericalstudyofthebucklingbehaviourunderpurecompression ofcarbonepoxyadhesively-bondedscarfrepairs,withscarfanglesvaryingfrom2to45.The experimentalresultswereusedtovalidateanumericalmethodologyusingtheFiniteElementMethodand amixed-modecohesivedamagemodelimplementedintheABAQUS® software.TheadhesivelayerwassimulatedusingcohesiveelementswithtrapezoidaltractionseparationlawsinpuremodesIandIItoaccount fortheductilityoftheadhesiveused.ThecohesivelawsinpuremodesIandIIweredeterminedwith DoubleCantileverBeamandEnd-NotchedFlexuretests,respectively,usinganinversemethod.Sincein theexperimentsinterlaminarandtransverseintralaminarfailuresalsooccurred,cohesivelawstosimulatethese failuremodeswerealsoobtainedexperimentallyfollowingasimilarprocedure.Goodcorrelationswere foundbetweenthenumericalpredictionsandexperimentalresultsfortheelasticstiffness,maximumload andthecorrespondingdisplacement,plateaudisplacementandfailuremodeoftherepairs.
Subject: Engenharia mecânica, Engenharia mecânica
Mechanical engineering, Mechanical engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia mecânica
Engineering and technology::Mechanical engineering
URI: http://hdl.handle.net/10216/99022
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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