摘要
Theout-of-planedeformationisaseriousprobleminthin-plateweldedjoint,anditisdifficulttoreduceorcontrolthedistortionduringweldingprocess.Externalrestraintisregardedasaneffectivemethodtomitigatethedistortion,anditiswidelyusedintheactualmanufacturingprocess.Inordertoinvestigatetheinfluenceofexternalrestraintonweldingdeformationinthinplatejoints,athermo-elastic-plasticfiniteelementmethodbasedonABAQUSsoftwarewasdevelopedtocalculatewelding-induceddeformation.Meanwhile,weldingdeformationinthethin-platejointswasmeasuredbyexperiments.Throughcomparingthenumericalresultswiththemeasureddata,theeffectivenessofthedevelopedcomputationalapproachwasverified.Basedonthesimulatedandexperimentalresults,thegenerationmechanismoftheout-of-planedeformationinthinplatebead-onjointwasdiscussed,andtheinfluenceofexternalrestraintonthefinalweldingdeformationwasclarified.
出版日期
2017年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)