Thermodynamic Assessment of the System MgO–Al₂O₃

• Bengt Hallstedt

抄録

The system MgO–Al 2 O 3 was assessed with the CALPHAD technique using a computerized optimization procedure called PARROT. Two of the solid phases, MgO and spinel, showed extensive solid solubility at high temperature and were modeled with the compound energy model. The third solid phase, α ‐Al 2 O 3 , was modeled as a stoichiometric phase. For the liquid phase, an ionic two‐sublattice model was used. In total, 13 adjustable parameters were optimized: 3 for the MgO, 8 for the spinel, and 2 for the liquid. This resulted in a consistent thermodynamic description for most of the available experimental data points on the phase diagram as well of the thermodynamic properties.

収録刊行物

• Journal of the American Ceramic Society

  Journal of the American Ceramic Society 75 (6), 1497-1507, 1992-06

  Wiley

キーワード

• Materials Chemistry
• Ceramics and Composites

詳細情報

• CRID: 1363107370790494848
• NII論文ID: 30015545516
• DOI: 10.1111/j.1151-2916.1992.tb04216.x
• ISSN: 15512916
• ISSN: 00027820
• Web Site: https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1151-2916.1992.tb04216.x
• Web Site: http://onlinelibrary.wiley.com/wol1/doi/10.1111/j.1151-2916.1992.tb04216.x/fullpdf
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