Buckling Behaviour of Carbon-Epoxy Adhesively-Bonded Scarf Repairs

The presentworkisdedicatedtotheexperimentalandnumericalstudyofthebucklingbehaviourunderpure compression ofcarbonepoxyadhesively-bondedscarfrepairs,withscarfanglesvaryingfrom2to45. The experimentalresultswereusedtovalidateanumericalmethodologyusingtheFiniteElementMethod and amixed-modecohesivedamagem...

Full description

Bibliographic Details
Main Author: Raul Duarte Salgueiral Gomes Campilho (author)
Other Authors: Marcelo Francisco de Sousa Ferreira de Moura (author), Dimitra Ramantani (author), J. J. L. Morais (author), J. Sabino Domingues (author)
Format: article
Language:eng
Published: 2009
Subjects:
Engenharia mecânica, Engenharia mecânica
Mechanical engineering, Mechanical engineering
Online Access:https://hdl.handle.net/10216/99022
Country:Portugal
Oai:oai:repositorio-aberto.up.pt:10216/99022
Description
Summary:The presentworkisdedicatedtotheexperimentalandnumericalstudyofthebucklingbehaviourunderpure compression ofcarbonepoxyadhesively-bondedscarfrepairs,withscarfanglesvaryingfrom2to45. The experimentalresultswereusedtovalidateanumericalmethodologyusingtheFiniteElementMethod and amixed-modecohesivedamagemodelimplementedintheABAQUS® software.Theadhesivelayer wassimulatedusingcohesiveelementswithtrapezoidaltractionseparationlawsinpuremodesIandIIto account fortheductilityoftheadhesiveused.ThecohesivelawsinpuremodesIandIIweredetermined with DoubleCantileverBeamandEnd-NotchedFlexuretests,respectively,usinganinversemethod.Since in theexperimentsinterlaminarandtransverseintralaminarfailuresalsooccurred,cohesivelawstosimulate these failuremodeswerealsoobtainedexperimentallyfollowingasimilarprocedure.Goodcorrelations were foundbetweenthenumericalpredictionsandexperimentalresultsfortheelasticstiffness,maximum load andthecorrespondingdisplacement,plateaudisplacementandfailuremodeoftherepairs.

Similar Items