机械成形技术於镁合金材料的应用概况

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896162–139–4(HexagonalClosePacked,HCP)180°C240°C–140–1628964300°CAZ(Mg-Al-Zn)ZK(Mg-Zn-Zr)WE(Mg-Y-R.E.)AZZK250°C400°CWE400°C450°C896162–141–450%(Superplastic)300%(NearNetShape)(FlowStress)(DiffusionBonding)–142–16289641·10-3s-150mm3mm1·10-1s-1(HighStrainRate,HSR)(SuperplasticForging)10µmAZ91(Mg-9Al-1Zn)ZK60(Mg-6Zn-0.6Zr)280°C100:124µm1·10-2s-1250°CAZ913·10-4s-1425%ZK60300°C4·10-3s-1730%325°C1·10-2s-1544%(P/M)AZ91ZK61(Mg-6Zn-0.8Zr)0.5µm400MPa896162–143–4300°CAZ911·10-2s-1276%ZK61350°C1·10-1s-1445%WEWE43(Mg-4Y-3R.E.-0.5Zr)200°C300MPa20%400°C4·10-3s-11517%4·10-1s-1360%Mg2Si(RapidSolidification,R/S)Mg2Si1µmMg-11Si-4Al515°C1·10-1s-1370%Mg-11Si-4Zn440°C1·10-1s-1287%500MPa0.8(EqualChannelAn-gularExtrusion,ECAE)AZ911µm200°C675%–144–16289647·10-5s-10.5µmZK61200°C1·10-3s-1659%1·10-2s-1283%ZK61CC17SONY1995CCBecker,J.,Fischer,G.andK.Schemme,MagnesiumAlloysandTheirApplications,Mordike,B.L.andK.U.Kainer,eds.,Frankfurt:Werkstoff-InformationsgesellschaftmbH,1998.Mabuchi,M.,Nakamura,M.andK.Higashi,MagnesiumAlloysandTheirApplications,Mordike,B.L.andK.U.Kainer,eds.,Frankfurt:Werkstoff-InformationsgesellschaftmbH,1998.Watanabe,H.,Mukai,T.,Mabuchi,M.andK.Higashi,ScriptaMater.41,209(1999).Watanabe,H.,Mukai,T.andK.Higashi,ScriptaMater.40,477(1999)Mwembela,A.,Konopleva,E.B.andH.J.McQueen,ScriptaMater.37,1789(1996).Takuda,H.,Enami,T.,Kubota,K.andN.Hatta,J.Mater.Proc.Techn.101,281(2000).

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