| Calculation of the Quasiternary Systems:Si_3N_4-Y_2O_3-SiO_2,Y_2O_3-SiO_2-BeO and Y_2O_3-Al_2O_3-BeO |
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| 摘 要： |
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| 收稿时间： | 1995-07-28 |
Calculation of the Quasiternary Systems: Si_3N_4-Y_2O_3-SiO_2,Y_2O_3-SiO_2-BeO and Y_2O_3-Al_2O_3-BeO |
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| Authors: | Lin LIQing AO O Van Der Biest P Wollants and LDelaey |
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| Affiliation: | Lin LI(Dept. Materials Science and Engineering,Shanghai University,Shanghai,,China)Qing AO (Dept. of Materials Engineering,Shandong Polytechnic University,Jinan,,China)O. Van Der Biest,P Wollants and L.Delaey (Dept. MTM,Katholieke Un |
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| Abstract: | Based on the thermodynamic model of Kaufman for the calculation of quasibinary and quasiternary system, numerical method for the calculation of stable equilibrium is developed and thermodynamic data of undefined phases are discussed in this work for several ceramic systems.The calculated isothermal sections in Si3N4-Y2O3-SiO2 system meet well with other previous calculated phase diagrams and experimental results. The diagrams in Y2O3-SiO2-BeO and Y2O3-Al2O3-BeO systems are calculated for the approach of prediction. |
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