Regular Article

Thermodynamic assessment of Al₂O₃–SiO₂–Ce₂O₃ system

¹ College of Mechanical and Electrical Engineering, Yangtze Normal University, Chongqing 408000, P.R. China
² Key Laboratory of Ecological Utilization of Multi-metallic Mineral of Education Ministry, Northeastern University, Shenyang 110819, P.R. China
³ Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, United States

^⁎ e-mail: tongshez@andrew.cmu.edu

Received: 22 October 2016
Received in final form: 25 November 2016
Accepted: 2 January 2017

Abstract

The Al₂O₃–SiO₂, Ce₂O₃–Al₂O₃ and Ce₂O₃–SiO₂ binary systems were assessed by Redlich–Kister expression based on the sub-regular solution model. Then, the Al₂O₃–Ce₂Si₂O₇ system was calculated on the basis of existing experimental data. All the interaction parameters related to the Al₂O₃–SiO₂–Ce₂O₃ system were given. The calculated phase diagrams were proved to be accurate when compared with the experimental points or the similar phase diagrams. Finally, a series of phase diagrams were present about the Al₂O₃–SiO₂–Ce₂O₃ system.