简介：Inthisstudy,theformabilityoftransformation-inducedplasticity(TRIP)steelisstudiedduringdeep-drawingprocesseswithpreforming.Theeffectsofpreformingontheminimumthicknessofcanareinvestigatedwithaconstitutivemodelaccompanyingstrain-inducedmartensitetransformationinprestraincondition.TheconstitutivemodelhasbeenimplementedintoABAQUS/UMATforanalysisofTRIPsteel-formingprocesses.TheresultsshowthatpreformingslightlyinfluencesthethicknessuniformityofTRIPsteel...

简介：Thephasetransformationcharacteristicsofahigh-strengthTRIP-aidedmultiphasecold-rolledsteelduringcontinuousheatingatdifferentcoolingrateswerestudiedbymeansofdilatometry,andthecriticaltemperatureswerealsodetermined.Thesampleswerefullyaustenitizedat1050℃andthencooledatdifferentcoolingratesrangingfrom0.5℃/sto100℃/s.Thecontinuouscoolingtransformation(CCT)curveswereobtainedfortheexperimentalsteel.Theexperimentalresultsshowedthatahighcoolingratedepressedtheformationofferriteandpearliteandpromotedtheformationofbainiteandmartensite,leadingtoahigherhardness.Alargeamountofmartensiteinhigh-strengthTRIP-aidedmultiphasecold-rolledsteelcanbeobtainedatcoolingratesinexcessof50℃/s.Theexperimentalresultsprovideguidelinesforcoolingcontrolandheattreatmentinrealsteelproduction.

简介：本文介绍了TRIP钢生产工艺、成分及主要元素的作用、显微组织及作用、性能特点、国内外研究进展情况,分析了在酒钢碳钢薄板厂冷轧镀锌生产线研发的可行性。

简介：Thetransformationinducedplasticity(TRIP)steelseffectoccursbecauseofthemartensitictransformationofretainedausteniteduringplasticdeformation,anditprovidesthesteelwithexcellentstrengthandductility.Whileweldingremainsavitalpartofautobodymanufacturing,theweldabilityofTRIPsteelsisproblematic,andthispreventsitsadoptionformanyapplicationsintheautomotiveindustry.Thispresentworkstudiestheeffectsofweldingandpost-weldheattreatmentonthemicrostructureof...