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HotWorkingTechnology2011,Vol.40,No.820114Material&HeatTreatment、,、,。20,,、、、。,(σs)、(σb)、,[1-4]。,、,。1、、。,0.002%,δ、γ、α。0.76~0.78,α-Fe,γ-Fe。[5],,、、。,,、。、,1。,:①CuAl2,Ti2B、W2B、Mo2B、Cr2B、Fe2B。、1,1,2,1,2,1(1.,730050;2.,730050):,,,、。:;;;;:TG142.41;TG142.71:A:1001-3814(2011)08-0056-04EffectofTraceBorononMicrostructureandMechanicalPropertiesofCarbonSteel&StainlessSteelZHAOLiming1,GUOTieming1,2,JIGenshun1,2,ZHANGDingcang1(1.StateKeyLaboratoryofGansuAdvancedNon-ferrousMetalMaterials,LanzhouUniversityofTechnology,Lanzhou730050,China;2.KeyLaboratoryofNon-ferrousMetalAlloysandProcessingofMinistryofEducation,LanzhouUniversityofTechnology,Lanzhou730050,China)Abstract:TheresearchanddevelopmentoftheeffectoftraceborononsteelsinChinaandabroadwasreceived.Thelatestresearchesontheexistingshapeandaffectingmechanismoftraceelementboronanditseffectsonthemicrostructureandmechanicalpropertiesofcarbonsteelandstainlesssteelwereemphaticallyreviewed.Theresultswillhelptointerrelatedthedesignandfurtherresearchofboronalloyingsteel.Keywords:boron;carbonsteel;stainlesssteel;microstructure;mechanicalproperties:2010-10-19:(1985-),,,;:15095424872;E-mail:zhaoliming@163.com:(1969-),,,,,、、;:13993160228;Email:guotm@lut.cn1Tab.1ThehardnessandmeltingpointoftheprimaryboridesinsteelTi2BTiBW2BWBMo2BMoBCr2BCrBFe2BFeB-H298Θ/(kJ·mol-1)323.8160.2----94.175.371.171.1HV2700-24203700250025001350125015001900T/℃292022302770240021402350189015501389165056《》2011408Material&HeatTreatment8.84%,Fe2B,Fe2B,。②FeB,TiB、WB、MoB、CrB、FeB。,16.23%,FeB,,。,、,。Fe3C,Fe3B0.3C0.2;,Fe23C6,Fe23(C,B)6Fe23C3B3,[6]。220,30。,0.001%~0.003%,。,。2.12.1.1,,。[7],0.005%,。,[8]。(0.001%~0.005%),23.3μm,13.8μm。,,BNBN,。BN,。600~900℃,Fe23(B2,C)6γ,,Fe23(B2,C)6,Fe23(B2,C)6γ;,Fe23(B2,C)6,,γ。,,。[9]。Z=K(N/G)3/4(1),Z,G,K≈0.9,。,,,,,N,,Z。Fujishiro[10]0.03%C-1.5%Mn-0.16%Mo-0.04%Nb-0.02%Ti,,0.0018%,。,:,BN,AlN,AlN,。2.1.2。,,。[11](0.001%~0.005%),。,,。,。[12](0.6%C0.8%,B1.0%):FeB、、、。,FeB,1800~2000HV。900℃,FeBFe2B(1400~1500HV),,56HRC,。,、。、,57HotWorkingTechnology2011,Vol.40,No.820114Material&HeatTreatment。2.22.2.1,。(σs)(σb)。,,Hall-Petch[13],:Δσy=18(d1-1/2-d2-1/2)(2),Δσy(MPa);d1(mm);d2(mm)。(2),,。AnjanaDeva[11,14]。,(0.001%~0.005%)231321MPa,,94104MPa。(0.0023%),1632MPa。、,,,。Fujishiro[10]0.03%C-1.5%Mn-0.16%Mo-0.04%Nb-0.02%Ti,0~0.0018%,。2.2.2,,,。50B0.003%,Fe23(B,C)6;0.003%,。Fe23(B,C)6,,,、,[15]。,40MnB[16-17],0.001%B0.003%,;、。0.007%,,。0.0032%B0.010%,,,。2.2.32070,EasternSteelCasting。,。,,13.78MPa,。AnjanaDeva,(0.0023%)0.240.2,,、,[14,18]。33.1,。,,。,,1.2%,、。[19](0.0033%)304。1100℃1h,750℃1050℃,0.5h,。,900℃,(Cr,Fe)23(C,B)6;900℃,(Cr,Fe)2B,950℃。。[20](0.0017%B0.0061%),0.002%~0.004%,,。1100℃20Cr-19.4Ni-6.2Mo,,,。,0.0053%,1200℃,1250℃。,0.002%~0.004%。FuKuang[21-22]58《》2011408Material&HeatTreatment,1.5%~2.5%,。M2(B,C),B,C,Cr(Fe,Cr)2B。,,12.6%。,(1620HV),230~266.8HV,。3.2El-Kashif[23]18%Cr。:0.002%B,,,NbC、Nb(C,B)BN,,,。(Ti+B),M23(C,B)6TiN,,,。(0.0014%~0.0033%)。,,。3.3[24]。,00Cr18Ni5Mo-3Si20.004%~0.005%,1200℃,1200℃,M2(B,C),。4,。、、、、,,。2030,,,。,,,。:[1]BaarmanMH.Effectofboronadditionsoncontinuouscastlow-carbonsteelwire[J].ScandinavianJournalofMetallurgy,1998,27(4):148-158.[2]BhaskarYalamanchili,JohnBN,PeterMP,etal.Northstarsteeltexa'sexperiencewithboronadditionstolow-carbonsteel[J].WireJournalInternational,2001,34(11):90-94.[3]AcostaP,JimenezJA,FrommeyerG,etal.Microstructurecharacterizationofanultrahighcarbonandborontoolsteelprocessedbydifferentroutes[J].MaterialsScienceandEngineering,1996,A206(2):194-200.[4]SercombeTB.Sinteringoffreeformedmaragingsteelwithboronadditions[J].MaterialsScienceandEngineering,2003,A363(3):242-252.[5],,,.[J].,1977,13(4):235-244.[6],,,.(3)()[M].:,2005.12.[7],,,.[J].,2006,41(3):67-70.[8],,,.SPHC、[J].,2006,41(9):60-64.[9],,.α[J].,1991,A26(2):79-85.[10]FujishiroY,HashimotoT,OhtaniH.Influenceofboronandnitrogencontentsonstrengthandtoughnessofcontrolled-rolledandacceleratedly-cooledlowcarbonsteel[J].TetsutoHagane,1989,75(1):143-150.[11],,,.[J].,2006,42(11):1202-1206.[12],,,.[J].,2008,29(11):1481-1484.[13]ChoquetP,FebregueJ,GiustiB.ModelingofForce,StructureandFinalPropertiesDuringtheHotRollingProcessontheHotStripRollingMill[M].Canada:MathematicalModellingofHotRollingofSteel,1990.33.[14]AnjanaDeva,SaikatKD.StrainhardeningbehaviorandcoldreducibilityofBoron-addedlow-carbonsteel[J].JournalofMaterialsEngineeringandPerformance,2009,18(1):109-110.[15].50B[J].,1996,(10):37-38.[16],,,.ZG40MnB[J].,2010,29(2):187-188.[17],.40MnB[J].,2000,16(1):23-27.[18]FunakawaY,InazumiY,HosoyaY.Effectofmorphologicalchangeincarbideonelongationofboron-bearingAl-killedsteelsheets[J].ISIJInternational,2001,41(8):900-907.(63)59《》2011408Material&HeatTreatment(59)[19]YaoXX.OnthegrainboundaryhardeninginaB-bearing304austeniticstainlesssteel[J].MaterialsScienceandEngineering,1999,A271:353-359.[20],,.Ni、B[J].,1994,(06):49-57.[21]FuHan-guang,LiZhen-hua,JiangZhi-qiang.SolidificationstructureinacastB-bearingstainlesssteel[J].MaterialsLetters,2007,61:4504-4507.[22]KuangJiacai,JiangZhiqiang.StudyonwearresistantcastB-containing1Crl8Ni9Tistainlesssteel[J].Research&Developmen,2009,6(01
本文标题:微量元素硼对碳钢_不锈钢组织与性能的影响
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