| Al2O3-SiO2-Re2O3系相图估算 |
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| 引用本文： | 李麟,唐竹君,孙维莹,王佩玲.Al2O3-SiO2-Re2O3系相图估算[J].上海大学学报(英文版),2000,4(1). |
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| 作者姓名： | 李麟 唐竹君 孙维莹 王佩玲 |
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| 作者单位： | LI Lin 1，TANG Zhu jun 1，SUN Wei ying 2，WANG Pei ling 2 1. School of Material Science and Engineering，Shanghai University，Shanghai 200072，China 2. State Key Lab of High Performance Ceramics and Superfine Microstructure，Shanghai Institute |
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| 基金项目： | StateKeyLabofHighPerformanceCeramicsandSuperfineMicro structure !(9517and 970 8) |
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| 摘 要： | Ｎｏｔａｔｉｏｎ Ａｌｌｑｕａｎｔｉｔｉｅｓｗｅｒｅｒｅｓｔｒｉｃｔｅｄｔｏｏｎｅｍｏｌｅｕｎｌｅｓｓｏｔｈｅｒｗｉｓｅｓｐｅｃｉｆｉｅｄ.ＧＧｉｂｂｓｆｒｅｅｅｎｅｒｇｙｏｆＰｈａｓｅ°ＧｉＧｉｂｂｓｆｒｅｅｅｎｅｒｇｙｏｆｐｕｒｅｃｏｍｐｏｎｅｎｔｉｏｆｐｈａｓｅｘｉｍｏｌｅｆｒａｃｔｉｏｎｏｆｃｏｍｐｏｎｅｎｔｉＥＧｅｘｃｅｓｓｆｒｅｅｅｎｅｒｇｙｏｆｐｈａｓｅｋｊｊｔｈｏｒｄｅｒｐａｒａｍｅｔｅｒｏｆＲｅｄｌｉｃｈＫｉｓｔｅｒｐｏｌｙｎｏｍｉａｌΔＧｆ(ｉ)ｆｕｓｉｏｎｆｒｅｅ…
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Phase Diagram Estimation of the Al2O3-SiO2-Re2O3 Systems |
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| LI Lin,TANG Zhu-jun,SUN Wei-ying,WANG Pei-ling.Phase Diagram Estimation of the Al2O3-SiO2-Re2O3 Systems[J].Journal of Shanghai University(English Edition),2000,4(1). |
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| Authors: | LI Lin TANG Zhu-jun SUN Wei-ying WANG Pei-ling |
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| Abstract: | Nine limiting binaries of Al 2O 3 SiO 2 Re 2O 3 (Re=Nd,Sm,Gd and La) system are assessed. The binary diagrams or experimental information from Toropov, Mizuno, Aramaki, Bondar, Rolin and Coutures are optimized with the substitutional model of Kaufman and Nesor and the approximate formula of fusion free energy for rare earth element oxides of Wu and Pelton. The extracted Gibbs free energies of pure solid oxides and stoichiometric phases and the solution parameters are used to estimate the corresponding binaries, liquidus surfaces and a series of isothermal sections of four ternaries Al 2O 3 SiO 2 Nd 2O 3, Al 2O 3 SiO 2 Sm 2O 3, Al 2O 3 SiO 2 Gd 2O 3, and Al 2O 3 SiO 2 La 2O 3. In the Al 2O 3 SiO 2 Gd 2O 3 system samples as fired at exact temperature with different compositions were analyzed by X ray diffractometer and the detected results are fitted with the calculation of isothermal sections. |
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| Keywords: | limiting binary assessment ternary system isothermal section liquidus surface |
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