热作模具钢热疲劳性能的研究现状与发展趋势

1,2,1,1,1(1机械科学研究总院先进制造技术中心先进成形技术与装备国家重点试验室,北京1000832山东科技大学材料科学与工程学院,山东青岛266510):()600,,,,:;;:TG1155:A:0254-6051(2008)12-0001-06ResearchstatusanddevelopmenttrendsofthermalfatiguepropertyofhotdiesteelsXIAPeng-cheng1,2,CHENYun-bo1,GEXue-yuan1,WANGMiao-hui1(1StateKeyLaboratoryofAdvancedFormingTechnologyandEquipmen,tAdvancedmanufactureTechnologyCenter,ChinaAcademyofMachineryScience&Technology,Beijing100083,China;2SchoolofMaterialsScienceandEngineering,ShandongUniversityofScienceandTechnology,QingdaoShandong266510,China)Abstract:Researchstatusanddevelopmenttrendsofthermalfatigueofhotdiesteelsathomeandabroadwereanalyzedagainsttheproblemofthermalfatiguecrackandfailuregenerated,becausethesurfacetemperatureofhotdiessteelsuchasho-tforgingdies,ho-tpressingdies,ho-textrudingdiesanddie-castingdiesduringworkingismorethan600.Experimentalmethodofthermalfatigue,factorsofinfluencingthermalfatigue,evaluationmethodofthermalfatiguepropertyandinitiationandpropagationofthermalfatiguecrackweremainlydiscussedWaysofimprovingthermalfatiguepropertyandresearchstatusanddevelopmenttrendsofthermalfatiguepropertywerealsostatedKeywords:hotdiestee;lthermalfatigue;initiationandpropagationofcrack:(1977),,,,,10:010-62920635E-mai:lxpc328@126com:(2006BAF04B1):2008-08-13,,,,[1],,,[2-4]50000,4Cr3Mo2NiVNb(HD)[5],HDSpera[4],:,;,-1001838,Duhamel,1894,MinkelmannSchott,,2050,CoffinLFMansonSS,,Coffin-Manson,,,[6-7],1984,120083312(),-1热疲劳研究方法,,,,,,,,,,,,[7][8-9]HowesH13,,,,,,,,,,,,,[10],[11],,[1,12],,Uddeholm[11],,,[12-14]2影响热作模具钢热疲劳的因素,:,,,,;,,21:(1),Tmax,da/dN,Johnny[15]:,,1(750650)1000,,,([12])1[1]Table1Gradeofthermalfatiguepropertyofhotdiesteelsatdifferentuppertemperatures[1]65020750202Cr3Mo3VNb24624Cr3Mo2MnVNbB26545Cr4W5Mo2V461084Cr3Mo2MnVB71244Cr5MoSiV1101445Cr2NMioVSi131625CrMnMoSiV15820(2),Tmax,,,Tmax,;,Tmax,(3),,,,,,,,()()(4),,,220083312()(5),,,,,,22(1)H13[14]:,,,,MoWCrVTiNbNiRE,W3%,,,,[16]MnS,MnS,[17-18],MnS[19],,(2),,,,[20],,,,,,,,(3),[21-23],,[24],,,,[4,25],,(4)[26],,,,[5],,,,(5),3热作模具钢热疲劳性能的评价,,,,(1)()[11,27],,,320083312()(2)[5,12,28]GB/T158241995[12],,,,,,,,(3)[29-30]Manson-Coffin,:Ni=K(T-T0)-2(1):Ni,K,T,T0TT0,TT0,(4)[31-32](L)(H)(W)D=LHW,,,,[33-34]D;D=DsDdDs=AW/L,A,W,L;Dd=Pdmax/d5A,P,dmax,5d5A,,,D(5)HanselHansel,,,,,,,,;,,,,,,,,,,(6)MaimSNostromLAHooke,,Coffin-Manson,,,,,4热疲劳裂纹萌生和扩展机理:(1),,,,,,,,,,,,,,,,,,,,,[7](2),[4,10],,,,,,,,,,,,,,,420083312()(3),[11],,,,,,,5提高热作模具钢热疲劳性能的措施,(1),,,,,,,,,,,,,,,,,,,,,,,,,,,,(2),,,,,,TiN,Ti(C,N),Ti(B,N),CrN,N-iW-Co,,,6今后热疲劳性能研究和发展趋势,,,,,,,,,Thermo-calc,,,,,,,,7结语,,()600,,,,:[1].[M].:,1993:40-42.[2].[M].:,1988:206-207.[3].[M].:,1986:274-276.[4]SperaDA.Whatisthermalfatigue[A].SperaDA,Mow-brayDF.ThermalFatigueofMaterialsandComponents[C].WestConshohocken:AmericansSocietyforTestingandMaterials,1976:3-9.[5],,,.520083312()4Cr3Mo2NiVNb[J].,1994,18(5):31-33.[6]MowbrayDF,McconnelceJE.Nonlinearanalysisofatapereddiskthermalfatiguespecimen[A].SperaDA,MowbrayDF.ThermalFatigueofMaterialsandComponents[C].WestConshohocken:AmericansSocietyforTestingandMaterials,1976:10-29.[7]HowesMAH.AStudyofthermalfatiguemechanisms[A].SperaDA,MowbrayDF.ThermalFatigueofMaterialsandComponents[C].WestConshohocken:AmericansSocie-tyforTestingandMaterials,1976:86-105.[8]GlennyE,TaylorTA.Astudyofthermalfatiguebehaviorofmetals:theeffectoftestconditionsonnicke-lbasehigh-tem-peraturesalloy[J].JInstMet,1959-60,88:449-461.[9]FranklinAW,HeslopJ,SmithRA.Somemetallurgicalfac-torsinfluencingthetherma-lfatigueresistanceofwroughtnicke-landchromium-basehigh-temperaturealloys[J].JInstMet,1963-64,92:313-322.[10],,,.V/C[J].,2007,56(3):251-254.[11],,.4Cr2NMioV[J].,1995,24:91-95.[12]GB/T158241995,[S].[13]NorstromLA,SvenssonM,OhrbergV.Thermalfatiguebe-haviourofhotworktoolsteels[J].MetTechnology,1981,8(10):376-381.[14],,.4Cr5MoSiV1[J].,2005,26(2):57-62.[15]OhnnyS,JensB.Thermalfatiguetestingofchromiummar-tensitichot-worktoolsteelafterdifferentaustenitizingtrea-tments[J].JournalofMaterialsProcessingTechnology,2004,153-154:1089-1096.[16].[J].,1999(2):26-28.[17].[M].:,1983:203-207.[18],.[M].:,1982:228-229.[19]RolandK.Theinfluenceofnon-metallicinclusionsonthepropertiesofsteel[J].JournalofMetals,1969(10):48-54.[20]DuttVB,SureshS,RitchieRO.Fatiguecrackpropagationindualphasestee:leffectofferrite-martensitemicrostruc-tureoncrackpathmorphology[J].MetallTrans,1987,15A:1193-1207.[21]MalmS,NortomLA.Materialrelatedmodelforthermalfa-tigueappliedtotoolsteelsinhot-workapplications[J].MetSc,i1979(9):544-550.[22]NortomLA,SvenssonM,OhrbergN.Thermalfatiguebe-haviorofhot-worktoolsteels[J].MetTechnology,1981,8(10):376-381.[23]NortomLA.Anewgenerationofsteelfordiecastingdies[J].DieCastingEngineering,1982(9):24-27.[24].[M].,.:,1984:115-121.[25].3Cr2W8V4Cr5MoSiV1[M].:,1987:24-25.[26].[D].:,2001:2-3.[27]AndersP,StureH,JensB.Thermalfatiguecrackingofsur-faceengineeredhotworktoolsteels[J].Surface&CoatingsTechnology,2005,191:216-227[28],,,.Mn4Cr3Mo2NiVNb[J].,1994,15(4):22-25.[29],,.5CrMnMo[J].,1995(12):33-36[30]LiGuobin,LiXiangzh,iWuJianjun.StudyofthethermalfatiguecrackinitiallifeofH13andH21steel