材料科学
环氧树脂
复合材料
屈曲
结构工程
有限元法
胶粘剂
刚度
延展性（地球科学）
失效模式及影响分析
图层（电子）
工程类
蠕动
作者
R.D.S.G. Campilho,M.F.S.F. de Moura,Dimitra Ramantani,J.J.L. Morais,J.J.M.S. Domingues
标识
DOI：10.1163/156856109x433045
摘要
The presentworkisdedicatedtotheexperimentalandnumericalstudyofthebucklingbehaviourunderpure\ncompression ofcarbonepoxyadhesively-bondedscarfrepairs,withscarfanglesvaryingfrom2to45.\nThe experimentalresultswereusedtovalidateanumericalmethodologyusingtheFiniteElementMethod\nand amixed-modecohesivedamagemodelimplementedintheABAQUS® software.Theadhesivelayer\nwassimulatedusingcohesiveelementswithtrapezoidaltractionseparationlawsinpuremodesIandIIto\naccount fortheductilityoftheadhesiveused.ThecohesivelawsinpuremodesIandIIweredetermined\nwith DoubleCantileverBeamandEnd-NotchedFlexuretests,respectively,usinganinversemethod.Since\nin theexperimentsinterlaminarandtransverseintralaminarfailuresalsooccurred,cohesivelawstosimulate\nthese failuremodeswerealsoobtainedexperimentallyfollowingasimilarprocedure.Goodcorrelations\nwere foundbetweenthenumericalpredictionsandexperimentalresultsfortheelasticstiffness,maximum\nload andthecorrespondingdisplacement,plateaudisplacementandfailuremodeoftherepairs.
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(2025-6-4)
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