磁场热处理铁素体钢或珠光体钢时的传热现象

12320006JOURNALOFIRONANDSTEELRESEARCHVol.12,No.3Jun.2000:(19632),,,;:1999205206;:20002012151,2(1.,100081;2.,100081)::,,:;:TG156.9:A:100120963(2000)0320031205PhenomenonofHeatConductionintheMagneticFieldHeatTreatmentforFerriticandPearliticSteelsYANGGang1,FENGGuang2hong2(1.2.CentralIron&SteelResearchInstitute,Beijing100081,China)Abstract:Theeffectsofmagneticfieldonheatconductionofferriticandpearliticsteelsinthemag2neticfieldheattreatmentwerestudied.Theresultsshowedthatmagneticfieldcanraisetheabilityofheatconduction,accelaratethecoolingrate,decreasetheferriticgrain,andraisetheabilityofhomogenouscooling.Keywords:magneticfieldheattreatment;heatconduction()(),,[1],,,,,,,,,(),,,11.150kg,35mm60mm,8mm,30mm70mm8mm,(,%):C0.09,Si13©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:1(),,;2,,,11.33%,,1Fig.1Experimentaldeviceofstablemagneticfield1Table1Thetechnigueparametersofmagneticfieldheattreatment101102103104201202203204öT0.10.81.500.10.81.5022.123,,,,,,2.24,,,(23),,,,,,,,33.1,(1),,,,,2(),,23200012©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)0.1T;(b)0.8T;(c)1.5T;(d)Fig.2Themicrostructureofspecimensatthecentreunderdifferentfluxdensity3(a)0.1T;(b)0.8T;(c)1.5T;(d)Fig.3Themicrostructureofthespecimensatthesurfaceunderdifferentfluxdensity333:6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(A),B,C(,B)abc,6(a)(b)(c)bCA,bC,C,56,(bc),bc,b,b,,Zeeman,,5Fig.5Theillustrationofsamplinglocationformagneticfieldheattreatment6Fig.6Themicrostructureofthespecimenatdifferentpart(ab),6(a)6(b),ab,2(c)2(d),,,,a,,,[2],,,,d,,,,3.22343200012©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(0),:,,,,,,,,4(1),(2),,:[1]KakeshitaT.MagneticField2InducedMartensiticTransforma2tioninaFewFerrousAlloys[J].JournalofMagnetismandMagneticMaterials,1990,196(12):34236.[2].[M].:,1980.,,,18,6,,(2.3t),(817MPa16.1%48.7%637.8MPa67J),,,,533:6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.