铝硅镁合金三元相图(2)

本文主要内容是阐述铝硅镁合金三元相图的英文文献

SectionII:PhaseDiagramEvaluations

computedby[1997Feu]arecomparedwiththeirownDTAdataonsolidi cationtemperatures.Theagreementwiththeexperimentaldataisgood.

[2005Lac]carriedoutanewthermodynamicassessmentofthissystem,whichusestherevisedAl-Mgdescriptionwithonlythethreeintermediatephases,Mg2Al3(b),eandc.Theyusedalargersetofdatafortheliquid-solidequilibriafromtheexperimentalresultsof[1977Sch,1997Feu].Temperature-independentternaryinteractionparameterswereobtainedfortheliquidphase.Apartialliquidusprojectionandthreeverticalsectionsat5and85mass%Aland2mass%Sirespectivelywerecomputedby[2005Lac].Theverticalsectionat2mass%SiisredrawninFig.5.Theagreementwiththeexperimentalresultsof[1977Sch,1931Los]issatisfactory.

Theeutecticmaximum(e3)ofthereactionL$ðAlÞþMg2SidoesnotlieontheAl-Mg2SijoinbutontheMg-richsideofthisline[1992Cha,1997Feu,2001Bar,2005Lac].ThepartialliquidusprojectioninFig.6depictstheaboveunivariantlinedeterminedby[2001Bar].Otherrecentreferencesonthephaseequilibriaofthissysteminclude[1999Esk,2002Fro,2003Erm,2003Roo,2004Liu,2005Don].

Fig.5Al-Mg-Sicomputedverticalsectionat2mass%Si

[2005Lac]

Fig.3Al-Mg-Sicomputedverticalsectionat85mass%Al

[1997Feu]

Fig.6Al-Mg-Sipartialliquidusprojectiondepictingtheuni-variantlineofL$ðAlÞþMg2Si[2001Bar]

References

1931Los:L.Losana,TheAluminum-Magnesium-SiliconTernarySystem,Metall.Italiana,1931,23,p367-382,inItalian

1977Sch:E.SchurmannandA.Fischer,MeltingEquilibriaintheTernarySystemAl-Mg-Si,Giessereiforschung,1977,29(4),p161-165,in

German

Fig.4Al-Mg-Sicomputedverticalsectionat80mass%Al

[1997Feu]

190JournalofPhaseEquilibriaandDiffusionVol.28No.22007

搜索“diyifanwen.net”或“第一范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，第一范文网，提供最新人文社科铝硅镁合金三元相图(2)全文阅读和word下载服务。