A general thermodynamic model for the long-period stacking ordered phases in magnesium alloys

查看全文 作　　者：Kai [1,2]Xu;Shuhong [2]Liu;Keke [1]Chang;Yongpeng [2]Liang;Yong [2]Du;Zhanpeng [3]Jin

机构地区：[1]Key Laboratory of Marine Materials and Related Technologies,Zhejiang Key Laboratory of Marine Materials and Protective Technologies,Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo,Zhejiang 315201,China;[2]Science and Technology on High Strength Structural Materials Laboratory,Central South University,Changsha,Hunan 410083,China;[3]School of Materials Science and Engineering,Central South University,Changsha,Hunan 410083,China

出　　处：《Journal of Magnesium and Alloys》索引2021年第9卷第1期,共12页

基　　金：This work was supported by the National Key Research and Development Plan(No.2016YFB0701202).K.Chang ac-knowledges the CAS Pioneer Hundred Talents Program.Pro-fessor Zi-Kui Liu is greatly acknowledged for the discussion about the general thermodynamic model for LPSOs. 摘　　要：A thermodynamic model Mg x(Xs,Mg)6(Xl,Mg)8(Xs and Xl are elements smaller and larger than Mg)for long-period stacking ordered phases(LPSOs)was proposed based on two key factors:the Xs 6 Xl 8-type L12 clusters and the variation of chemical compositions.In general,all available LPSOs can be described with this model.As a representative system,Mg-Y-Zn with three LPSOs was investigated using the CALPHAD(calculation of phase diagram)approach aided with first-principles calculations.Two new three-phase equilibria were predicted and were validated by key experiments.The model-based descriptions will be the basis for the research and development of magnesium alloys. 关键词：LPSOs Thermodynamic model Formation enthalpy CALPHAD SOLIDIFICATION

相关文献

参考文献（67）
引证文献（5）
耦合文献（0）

参考文献(67)

引证文献(5)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

A general thermodynamic model for the long-period stacking ordered phases in magnesium alloys

参考文献(67)

引证文献(5)

用户提示