有哪些信誉好的足球投注网站Investigations on welding residual stress and distortion in a cylinder assembly by means of a 3D finite element method and experiments推荐.pdf
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Investigations on welding residual stress and distortion in a cylinder assembly by means of a 3D finite element method and experiments推荐
JournalofMechanicalScienceandTechnology25(12)(2011)3185~3193
/content/1738494x
DOI10.1007/s122060111003x
Investigationsonweldingresidualstre anddistortioninacylindera emblyby
†
meansofa3Dfiniteelementmethodandexperiment
*
HuiJunYi ,JongYunKim,JinHoYoonandSungSooKang
SchoolofMechanicalEngineering,PusanNationalUniversity, Busan 609735,Korea
(ManuscriptReceivedJanuary30,2011;RevisedJuly13,2011;AcceptedSeptember13,2011)
Abstract
Inthepresentwork,bothexperimentalandnumericalsimulationmethodsareusedtoinvestigatethecharacteristicsofweldingdistor
tionandresidualstre distribution.A3DthermomechanicalFiniteElementAnalysis(FEA)methodisusedtopredicttheweldingdis
tortionandresidualstre ofcylindershapedmultipa layerweldments.Eachweldpa isperformedusingaquartercirclebalanced
weldingprocedure.Toinvestigatetheinfluenceofdepositionsequenceandweldingheatinputontheweldingdistortionandresidual
stre ,acontinuousweldingprocedureisalsocalculated.ThecorrespondingFEAmodelsconsideredamovingheatsource,thedeposi
tionsequence,andtemperaturedependentthermalandmechanica
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