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1、EffectofPosttreatmentonMicrostructureandMagneticPropertiesofSiSteelStripsPreparedbyTwin-RollContinuousCastingProcessYUYI,ZEHUAZHOU,ZEHUAWANG,SHAOQUNJIANG,andWEIDONGHUANGOnthebasisofearlyworks,Si-steelstripswith3.0wtpctSicontentwerepreparedbytwin-rollcontinuousca
2、sting(TRCC);posttreatmentofdoublecold-rollingwithdifferentannealingtemperaturewascompleted,andaccordingly,optimumparameterswereascertained.Themicrostructureandmagneticpropertiesofthestripsbeforeandafterposttreatmentwereinvestigated.TheresultsindicatedthatSisteels
3、tripscouldbesuccessfullypreparedbyTRCC,andthebestannealingconditionsforposttreatmentwere1223K(950°C)93minutesintheAr.Sisteelstripsexhibitedthebestmagneticpropertiesafteroptimumposttreatment:corelossof4.31W/Kgandmagneticinductionintensityof1.69T.Moreover,properpo
4、sttreatmentresultedinorderingofFe3SioftheSisteelstrips,andthisorderingwasakeyfactoronimprovementofmagneticproperties.DOI:10.1007/s11663-012-9692-9ÓTheMinerals,Metals&MaterialsSocietyandASMInternational2012I.INTRODUCTIONdifficulttomeetproductiondemandsandmicrocrack
5、sbecameinevitableforSi-steelstripsbyTRCCiftheSiASasortofnear-net-shapetechnology,twin-rollercontentwas4.5wtpctormore.continuouscasting(TRCC)presentsnumerousadvan-Thus,inthisarticle,wefocusonSi-steelstripswithtagesontheeconomicalproductionofthinstrips,such3.0wtpc
6、tSicontentpreparedbyTRCC.Basedonearlyaslowenergyconsumption,lowequipmentandoper-works,theoptimumparametersoftheposttreatmentatingcosts,andrapidsolidification.Furthermore,excel-wereascertained.Furthermore,themicrostructureandlentpropertiesofstripsmaybeobtainedduet
7、othefinermagneticpropertiesofthestripsbeforeandaftergrainsize,andlittlemicrosegregationonmicrostructure[1–8]posttreatmentwereinvestigatedanddiscussed.Itisresultedfromtherapidsolidificationprocess.emphasizedinthisarticlethatasortofordered-phaseSi-steel,whichisasoft
8、magneticmaterial,hasdrawnFe3Sioccurredafterposttreatment,whichmightactasconsiderableattentionincurrentindustryapplications.animportantroleonimprovingthemagneticproper
