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1、CALPHADVol.15,No.4,pp.317-425,19910364-5916191$3.00t.00PrintedintheUSA.1991PergamonPressplcSGTEDATAFORPUREELEMENTSATDinsdaleDivisionofMaterialsMetrology,NationalPhysicalLaboratory,Teddington,Middlesex,TWl1OLW,UKABSTRACTThermodynamicdataforthecondensedphasesof78elementsascurrentlyu
2、sedbySGTE(ScientificGroupThermodataEurope)aretabulated.SGTEisaconsortiumofsevenorganisationsinWesternEuropeengagedinthecompilationofacomprehensive,selfconsistentandauthoritativethermochemicaldatabaseforinorganicandmetallurgicalsystems.Thedataarebeingpublishedhereinthehopethattheyw
3、illbecomewidelyadoptedwithiitheinternationalcommunityasasoundbasisforthecriticalassessmentofthermodynamicdata,thereby,perhaps,limitingunnecessaryduplicationofeffort.Thedataforeachphaseofeachelementconsideredarepresentedasexpressionsshowing,asafunctionoftemperature,thevariationof(a
4、)G-H,,,theGibbsenergyrelativetotheenthalpyoftheStandardElementReferenceiethereferencephasefortheelementat298.15Kand(b)thedifferenceinGibbsenergybetweeneachphaseandthisreferencephase(ielatticestability).ThevariationoftheheatcapacityofthevariousphasesandtheGibbsenergydifferencebetwe
5、enphasesarealsoshowngraphically.Forcertainelementsthethermodynamicdatahavebeenassessedasafunctionofpressureaswellastemperature.Whereappropriateatemperature-pressurephasediagramisalsoshown.ThroughoutthispaperthethermodynamicdataareexpressedintermsofJmol..Thetemperaturesoftransition
6、betweenphaseshavebeenassessedtobeconsistentwiththe1990InternationalTemperatureScale(ITSgO).INTRODUCTIONInthispaperthethermodynamicdataforthepureelementsusedbySGTE(ScientificGroupThermodataEurope)aretabulated.SGTEisaconsortiumofsevenorganisationsinWesternEurope(LTPCMGrenoble,Associ
7、ationTHERMODATA,IRSID,RWTHAachen,KTHStockholm,NPLandHarwell)engagedinthecompilationofacomprehensive,selfconsistentandauthoritativethermochemicaldatabaseforinorganicandmetallurgicalsystems(86DIN,87ANS/SUN).Themainpurposeofthedatabaseliesinitsuseinthecalculationofphaseequilibriainmu
8、lticomponentsystemswhichputsaprem
