Phase diagram study and thermodynamic modeling of the MgO-Y2O3-MgF2-YF3 system |
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| Affiliation: | 1. Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea;2. Research Institute of Advanced Materials (RIAM), Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea;1. State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi''an 710049, China;2. State Key Laboratory for Mechanical Behavior of Materials, School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi''an 710049, China;3. Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering, Xi’an Jiaotong University, Xi''an 710049, China;4. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China;5. Department of Materials Science and Engineering & Shenzhen Engineering Research Center for Novel Electronic Information Materials and Devices, Southern University of Science and Technology, Shenzhen 518055, China;6. College of Materials Science and Engineering, Xi''an University of Science and Technology, Xi''an 710054, China;1. Beijing Advanced Innovation Center for Materials Genome Engineering, Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 10083, China;2. Henan Key Laboratory of High Temperature Functional Ceramics, Zhengzhou University, Zhengzhou 450052, China;3. State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;4. AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;1. Depto. de Física de la Materia Condensada, ICMS, CSIC-Universidad de Sevilla, Apdo. 1065, Sevilla 41080, Spain;2. Instituto de Ciencia de Materiales de Sevilla, ICMS, CSIC-Universidad de Sevilla, Avda. Américo Vespucio 49, Sevilla 41092, Spain;1. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China;2. School of Mechanical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia |
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| Abstract: | The phase diagram of the MgO-Y2O3-MgF2-YF3 system (Mg,Y//O,F reciprocal system) at 1273–1773 K was investigated for the very first time using a classical equilibrium/quenching and differential thermal analysis (DTA) experiments followed by electron probe microanalysis (EPMA) and X-ray diffraction (XRD) phase analyses. No ternary or quaternary crystalline phase was found, and the eutectic reactions in the reciprocal system were identified. The overall phase diagram of the reciprocal system was also calculated based on the thermodynamic modeling using the CALculation of PHAse Diagram (CALPHAD) method. |
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| Keywords: | Phase diagram CALPHAD |
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