Investigation into the stress-strain curves of deformation-induced ferrite transformation in a low carbon steel-中国期刊网

摘要 Aseriesoftestsofdeformation-inducedferritetransformation(DIFT)inalowcarbonsteelwerecarriedoutbytheGleeble-3500hotsimulationmachineatatemperaturerangeofAe3-Ar3.Theoverallstress-straincurvesduringDIFTcanbedividedintothreetypicaltypes:'double-humped','single-humped'and'transitional'.Thepeaksexhibitedinthecurveareinvolvedwithdeformation-inducedtransformationwhichhappenedingrainsoratthegrainboundaries.Accordingtothestress-timecurveandstrain-timecurve,straincapacitydramaticallypostponedthestrain-inducedtransformation,whichleadstothestartofthetransformationrightaheadofthefinishofdeformationandthemajorityoftheferritetransformationprocessmainlyhappenedafterthedeformation.Deformation-inducedtransformationisametadynamictransformationprocesswithdynamicnucleation.

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Investigation into the stress-strain curves of deformation-induced ferrite transformation in a low carbon steel

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Investigation into the stress-strain curves of deformation-induced ferrite transformation in a low carbon steel

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