Al_Mg_Si系铝合金的成分设计

30920069MaterialsforMeehaniealEngineeringVol.30No.9SeP.2006AIMgSi,,,(,200072):ThermCalcAMgsi,MSiAMgSi,,MgZSiM,si,,MgZSiAlMgsi:AMg--si;;MgZSi;:TG146.2:A:10003738(2006)09003504TheComPositionDesignofAlMg-SiAlloysLlJing,JINMan,FEIYue,SHAOGuang-jie(ShanghaiUniversity,Shanghai200072,China)Abstract:ThephasedgranlofAIMg51alloyswasealeulatedbyThe~Caleprogram,andfunetionoftemperatureandMgZSieontentwasgot.ThetensiletestwaspermedtoobtaintheeurveofM251contentvstensilestrethforoptimizingtheeompositionofAlesMg51alloys,TheeontensofMgand51eanbeobtainedaeeordingtotherequirementofhhstrengthpropertyofalloysaswellastherelationshiparnongternperature,MgZ51eontentandtensilestrength.ConsideratingtherelationshipamotoperatureMgZSieontentandelongationtheonlpositionofMgessialloyanbedesigned.Kwords:Mgessialloy;phasediagram;MgZ51;tensileStrength1(trialanderror),,,,1,AMgSi,7g,AMgsiMgZSi,,,MgZSi,;,,,MSi,MgZSi,,MgZSiAMgsi,Therm,Cal[l0,,,AMgSi,Mgzsi,,MgZSi,:20050823;:200522l:(352nlno99):(1980),,,:22.1Hiller[2j,[ll(eompoundenergymodel,35,:AIMg--SiCEM),,,(),,(A,B)(C,D):Gm~xm(1)Xi;G;sm;m;T;;2.ZAMgsiAlMgsiAlMg51MgZSi(V),,(AI,Mg):(51,V)IAI,Mg,nSi,V,,(Al,Mg):(Si,V)[lz:Gm~2TY,InYAI,RTYsi,vInYS;,v51,VY(si,,G()251(2)51,V,M.,,,vi,,V,yv~o;RAMg--si,,,[1sThermCal,,2,1(1)AMgsi,1,22AB,,,2512ABM251,36N251,3800F}60(L,In7}~-a+MgZSi20510w(MgZSi)/%IAIM51Rg1ThePdiaglmctionofA~MgsiumaUOyBa+MgZSi\0.20.400.810w(MgZSi)/%FigZZAM51ThePartofaSeaglmcti.jedorAI.M51alinumalloyn0n0OC”nUJOJO”6,I”J44,Jg\W(MgZSi)/%3M.sitF3RelatiiPtemratdMsicontentAlM51alloysOrigln,MSi:t=alW1(3)t,;WMSi;al,a:=332.56;bl,b:=0.20;a:bl,AMg--Si,MSi,,,,:AMgsi,MgZSi;,MgZSi,MSiMg:Si,d/3AI--9.%MnA12%Si,100mm53012h,20m20m530Zh,170sh,GB639719866mmCMT53033000kN,2~/min,3,1.73,1MSi,,MgZSi,,,,11(/%)b.IQpitionortneals(mass/%).2040010w(MgZSi)/%.21400no”0U00n2604CU64tJJZ,214MgZsiFi4RelationshiPoftensilestrehandMSiconteniinalloysI5l3ll9\0.40.601.0121.4W(MgZSi)/%5Msi95RelatjohiPofelotjonandMSicontelltinalloysd\nUnCUnn,4U4JlMsi0.390,620.991.390.2551MnAl0.390.630.88an†00Uonn1lln”ŽjCUJ6”I†”j.44,J\,hdgJgŽ,OU6QOOOO0CU00Ž†Ob.n„000,daAOJJbtl.00UO,10,JJLL-~w(MgZSi)/%6MsitF6RclatioiPoftemt,MsicontentldtensilestnglhorAI~Msioy\0420,.JI,.,11”4MgZsi4Origin,MgZSi:Jb=323.80Wo48(4)4,MSi0.4%1.4%,MgZSi,MgZSi:=10.98W.27(5)5,MSi0.4%1.4%,N251Therm,CalcAMg~51,67,MSi350100.4081.2w(MgZSi)/%600550500450400p\,MsilFig7latiorhipoftemrat.MgZsiCOnttanddoOnofAI.MSialloy,:AI-Mgsi,MgSi35,195380MPa9.30%14.50%AlMg--si,6%,5Tharm,CalcAlMg--Si,MgZSi;,MgZSib,MgZsi,350570195380MPa,AMgsi,9,30%14.50%,:SaundersN,MiodownikAP.CALPHD(ealeulationofphasediram):acomprehensiveguideM.UK:ElsevierSCiencePress,1998..M.:,1984.nnsdalAT,KaufmanL.CALPHAI)eompurercoupliofphasediagrthermoehemistLMj.USA:PeomanPress,1977.4SundillanB.AnassessmentoftheFe--Osyste[J.JournalofPhaseEquilibria,1991,12(l):127140.[5GrundyAN,HallstedtB,GaueklerLJ.Therrnodyllamicas-sessmentofthelanthanurnoxygensystemJj.JournalofPhaseuilibria,2001,22(2):105113.[6JiangD,WaCInfluneeofmierostruetureondefolationbehaviorandfraeturemodeofAIMg~51J].tedalsScienceandEngineeringA,2003,352:2933.[7SiddiquiRatiqA,AbdullahHusseinA,AIBelushi,etal.In-nueneeofagiparametersonthemechanicalpropertle,of6063alumlniumalloyJ.JournalOfMaterailsProcesngTeehn()logy,2000,102:234240.8,,.6000J].,2004,28(6):14.9MarioaraCD,AndersenSJ,JansenJ,etal.TheinflueneeoftemratureandstoretimeatRTonnucleationofthephaseinA6082AIMgessialloyJI.AetaMater,2003,51:78979610SundilanB,JanssonB,AnderssonJQThethen)caleda-tabasesystJ.Calphad,1985,9:153190.11HillertMTheComundeneyformalismJ.JournalofAlloysa,Cmpounds,2001,320:161176.12,.[M.:,200113,,.M].:,1999.l†jLL(20)p,1750a(3),a--SIC;,aSIC:.Cer~cDataEkZ000J.,2000,128(82):155160.ChaklartlOP,5PK,MukerjiJ.GrowthofsiCinreaetionsinteredsie.Mhterehem&P,2001,67:199202.ShinoakiSamuelS,NoakesJohnE.Recrystallizationandphasetran~tioninreaetion-slnteredsiJ.JAmCerame,1978,61(56):237242.,.X[M.:,1994OrtizAL,Sanehez-BajoF,CumbreraFL,etal.rpo,derdiffraetionanalysi,ofasilieoncarbide--basederamicJ.MaterialLetr,2001,49:137145.ZhouHong,SihRajN.Kinetiestnodelforthegrowtlof5iliconarbidebythreaetionofsiliconwitharbonJ.JAlCerarlle,1995,78(9):24562462.7LiJiguo,HausnerHans.Reaetonwettingin:heliqui511-icon/solid-earbonstemJ.JAlnCerarn,1996,79(4):873880.8NessJN,PeTF.Mierostrueturalevolutioninreaetiobonded:ilieoncarbidej.JMaterSei,1986,21:13771397.9LimChanBin,IsekiTakashi.FOationandtransrta-tionofinteranularandnedularfine--grainedSICinreaetiosinreredSIC].AdyCeraMater,1988,3(6):590594.[10OgbujiLU,MitehellTE,HeuerAH.The~transfor-rnationinlstallineSIC:111,ThethiekeniofaPlates].JAmCe~So,1981,64(2):9199.11HeuerAH,FruGA,ogbujiLU,etal.transfor--mationinpolyerystallineSIC:I,MierostructuralasetsJ.JA11Ceranle,1978,61(910):406412.[12]LimCB,IsekiT.Strengtrositymierostrueturerelation-spinPorousreaetion-sinteredSICwithfreesiliconrenoved].JMatersci,1990,31(8):42034210.13.M.:,1991.‹J.J,qUILLL‘esLIJLL-L38