Thermodynamic calculation of Er-X and Al-Er-X compounds existing in Al-Mg-Mn-Zr-Er alloy-中国Betway体育网页登陆

摘要 BasedontheMiedemamodelandExtendedMiedematheory,theformationenergiesofdifferentsolutecomponentsinEr-XbinarysystemandAl-Er-Xternarysystemswerecalculated.TheresultsshowthatthevariationoferbiumcontenthaslittleinfluenceonthechancerateoftheformationAl-ErcompoundintheAl-Mg-Mn-Zr-Ersystem.ThecalculatedformationenergiesintheEr-XbinarysystemandAl-Er-XternarysystemsindicatethatAl3Erphasecantakepriorityofdepositing,Al-Er-Zrternarycompoundsmayalsofoundwhichagreeswiththeexperimentalresultsinreferences.TheconsistencyofcalculationandexperimentprovesthattheintermetalliccompoundsintheAl-Mg-Mn-Zr-ErsystemcanbepredicteddirectlybycalculatingtheformationenergiesofthereactionsinEr-XbinarysystemandAl-Er-XternarysystemswiththeMiedemamodelandExtendedMiedematheory.

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Thermodynamic calculation of Er-X and Al-Er-X compounds existing in Al-Mg-Mn-Zr-Er alloy

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