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,738 北京科技大学学报 第32卷 化作用的饱和值较低, calcim sulph ides suround ing calceim alm nate inchsion Denki seko200071(1).89 12 [5]Apple C A.The relationship betveen nchsions and the machn- 口A+GA CA +CA ability of stee 31stMechan ica lWorking and Steel Processing Pro △CA,+CA 8 cedings Chicago 1989.415 9CA+CA [6]BakerTJ Charles JA.Defomation ofMnS inchusions in steel J Imon Steel Inst 1972 210(9):680 4 [7]BakerT J Charks J A.Type lI manganese suphiles their de- 0 0 fomation and effect on steel fracture J Imon Steel Inst 1973 211 8.0w。 (3):187 0- [8]ChunhuiL Stah berg U.An altemative way for evahating the de- 0 10 20 30 40 外围硫化物中C原子分数修 fomation of MnS inclusions in hot mollng of steel J Scand Metall 200231(3):184 图3氧硫复合夹杂物的长宽比与其外围硫化物中的钙含量的 [9]Hetmer D W.Quantitative iage analysis methodolgy for high- 关系 sulfur calcim-treated steel/M Con 90.Advances in Video Tech- Fig 3 Relation between the aspect ratio of oxide-sulfie dupkex in- nology for M icrostnichimal Control Philadelphia 1991:387 chsions and cakim content in peripheml sulfdles [10]Salter W JM.Pickering F B.Canposition and constitution of nommetallic inchusions in 1%CCr steels J Iron Steel Inst 3结论 1969207(7):992 [11]ASTM E768-99 Standan Guie for Prparng and Evahating (1)随外围硫化物中钙含量的增加,氧硫复合 Speciens for Automnatic Inclsion Assesment of Stce!Philadel 夹杂物的热变形能力降低,钙固溶强化作用的饱和 phia ASTM Intemational 2004 值约为5.0%(原子分数) [12]K iesslng R.Lange N.Non met llic Incksions in Steel London (2)高熔点的核心氧化物抑制氧硫复合夹杂物 The Metals Society 1978 [13]Carl B Gilles L HoangL et al Devebpment of an integmted 的热变形,且氧化物的面积分数越大,其影响程度越 method for fully charac terizing multiphase ncusions and its ap- 大;低熔点的核心氧化物对氧硫复合夹杂物的热变 plication to caleim-treated steels Mater Charct 1997.38 形无影响, (1):25 [14]Pickering F B Same effects of nonmetallic nchusions on the pmoperties of stee31st MechanicalWoring and Steel P rocess 参考文献 ing P mceedings Chicago 1989 381 [1]Kano T Hanyuda T mprovenent of machinability impmovenent [15]Baker T J Gove K B Charles J A.Inclision defomation and function of nclsion on sulfide-contain ing steel which applied Ca toughness anisotmopy in hot rolled steels Met Technol 1976.3 treament DenkiSeiko 2004.75(1):27 (4):183 [2]Yaguchi H.Tsuchda T.Shindou Y.et al Non-lead added free [16]Leung C H.Van V lack L H.Sohtion and precipitation hanlening machining steel by sulfde inchsion momhology modification in (Ca Mn)sulfides and selenides Metall TransA 1981.12 R&D Kobe Steel Eng Rep 2002 52(3):62 (6):987 [3]NaokiM.KojiW.Wear reduction of cabile tools observed n cur [17 Matsuno F.N ishikida S Ikesaki H.Mechanical pmoperties of ting Ca added steels for machine stnichiral use Tetsu-toHagane manganese sulphides in the ten perature range beteen roomn tem- 200591(8):639 perature and 1000C.Tmns Imon Steel Inst Jpo 1985 25(9): [4]Kano T Tsugui K.Nakanura S New fremachinng steel w ith 989北 京 科 技 大 学 学 报 第 32卷 化作用的饱和值较低. 图 3 氧硫复合夹杂物的长宽比与其外围硫化物中的钙含量的 关系 Fig.3 Relationbetweentheaspectratioofoxide-sulfideduplexin- clusionsandcalciumcontentinperipheralsulfides 3 结论 (1) 随外围硫化物中钙含量的增加‚氧硫复合 夹杂物的热变形能力降低‚钙固溶强化作用的饱和 值约为 5∙0% (原子分数 ). (2) 高熔点的核心氧化物抑制氧硫复合夹杂物 的热变形‚且氧化物的面积分数越大‚其影响程度越 大;低熔点的核心氧化物对氧硫复合夹杂物的热变 形无影响. 参 考 文 献 [1] KanoT‚HanyudaT.Improvementofmachinabilityimprovement functionofinclusiononsulfide-containingsteelwhichappliedCa treatment.Denki-Seiko‚2004‚75(1):27 [2] YaguchiH‚TsuchdaT‚ShindouY‚etal.Non-lead-addedfree machiningsteelbysulfideinclusion morphologymodification. R&DKobeSteelEngRep‚2002‚52(3):62 [3] NaokiM‚KojiW.Wearreductionofcarbidetoolsobservedincut- tingCa-addedsteelsformachinestructuraluse.Tetsu-to-Hagane‚ 2005‚91(8):639 [4] KanoT‚TsuguiK‚NakamuraS.Newfree-machiningsteelwith calciumsulphidessurroundingcalciumaluminateinclusion.Denki- Seiko‚2000‚71(1):89 [5] AppleCA.Therelationshipbetweeninclusionsandthemachin- abilityofsteel∥31stMechanicalWorkingandSteelProcessingPro- ceedings.Chicago‚1989:415 [6] BakerTJ‚CharlesJA.DeformationofMnSinclusionsinsteel.J IronSteelInst‚1972‚210(9):680 [7] BakerTJ‚CharlesJA.TypeⅡ manganesesulphides:theirde- formationandeffectonsteelfracture.JIronSteelInst‚1973‚211 (3):187 [8] ChunhuiL‚StahlbergU.Analternativewayforevaluatingthede- formationofMnSinclusionsinhotrollingofsteel.JScandMetall‚ 2002‚31(3):184 [9] HetznerDW.Quantitativeimageanalysismethodologyforhigh- sulfurcalcium-treatedsteels∥MiCon90:AdvancesinVideoTech- nologyforMicrostructuralControl.Philadelphia‚1991:387 [10] SalterW JM‚PickeringFB.Compositionandconstitutionof nonmetallicinclusionsin1% C-Crsteels.JIronSteelInst‚ 1969‚207(7):992 [11] ASTM E768--99StandardGuideforPreparingandEvaluating SpecimensforAutomaticInclusionAssessmentofSteel.Philadel- phia:ASTMInternational‚2004 [12] KiesslingR‚LangeN.Non-metallicInclusionsinSteel.London: TheMetalsSociety‚1978 [13] CarlB‚GillesL‚HoangL‚etal.Developmentofanintegrated methodforfullycharacterizingmultiphaseinclusionsanditsap- plicationtocalcium-treatedsteels.MaterCharact‚1997‚38 (1):25 [14] PickeringFB.Someeffectsofnon-metallicinclusionsonthe propertiesofsteels∥31stMechanicalWorkingandSteelProcess- ingProceedings.Chicago‚1989:381 [15] BakerTJ‚GoveKB‚CharlesJA.Inclusiondeformationand toughnessanisotropyinhotrolledsteels.MetTechnol‚1976‚3 (4):183 [16] LeungCH‚VanVlackLH.Solutionandprecipitationhardening in(Ca‚Mn) sulfidesandselenides.MetallTransA‚1981‚12 (6):987 [17] MatsunoF‚NishikidaS‚IkesakiH.Mechanicalpropertiesof manganesesulphidesinthetemperaturerangebetweenroomtem- peratureand1000℃.TransIronSteelInstJpn‚1985‚25(9): 989 ·738·
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