Phase equilibria along the nonbinary join between cordierite (2MgO · 2Al 2 O 3 · 5SiO 2 ) and spodumene (Li 2 O · Al 2 O 3 · 4SiO 2 ) were investigated in the temperature range 800° to 1550°C. using the quench technique on fourteen compositions. The phase diagram at high...
Phase diagram of MgO -A 12 0 3-SiO 2 system 调节试样的烧成温度和高温粘度 ,使材料 中出现较多以三维连通形式存在的气孔 ,降低材料的体积密度 ;并 且可以促进试样的烧结 ,在一定程度上也有助于提高材料的结合强度 。 第6 期 吴启坚等 :利用 陶瓷抛光废料制备 MgO—SiO -A1 0 系多孔 陶瓷过滤材料 的...
文献中Al_(2)O_(3)-MgO二元体系的热力学参数在外推至多元系时与实验数据存在偏差,本工作基于热力学数据的严格评估,采用CALPHAD(calculation of phase diagram)方法对该体系进行热力学重新优化,并在此基础上进一步完善Al_(2)O_(3)-MgO-SiO_(2)体系的热力学描述.优化过程中,采用离子双亚点阵模型描述液相,用CEF...
Al2O3-MgO和Al2O3-MgO-SiO2体系的热力学优化与计算 马天一，刘钰玲，高枫杨，张亮，杜勇 (中南大学粉末冶金国家重点实验室，长沙 410083)摘要：文献中Al2O3-MgO二元体系的热力学参数在外推至多元系时与实验数据存在偏差，本工作基于热力学数据的严格评估，采用CALPHAD(calculation of phase diagram)方法对该体系...
with the mantle transition zone, the MAS phase diagram markedly simplifies, with the three pure oxides (i.e. MgO, periclase; Al2O3, corundum; SiO2, stishovite) displaying a primary phase field and majorite-pyrope garnet as the only, and most important, ternary liquidus phase in the ...
求翻译:Calculation of Phase Diagram of CaO-SiO2-Al2O3-MgO-B2O3 Refining Slag without CaF2是什么意思?待解决 悬赏分:1 - 离问题结束还有 Calculation of Phase Diagram of CaO-SiO2-Al2O3-MgO-B2O3 Refining Slag without CaF2问题补充:匿名 2013-05-23 12:21:38 钙硅氧化铝 - 氧化镁-B2O3精炼...
Comparisons between the newly constructed diagram, existing data, and FactSage predicted phase diagrams were performed and differences were discussed. The present study will be useful for guidance of industrial practices and further development of thermodynamic modeling. 展开 ...
Mokritskaya: “Phase Diagram of the Calcium Aluminate-Magnesium Aluminate-Magnesia (CaO-Al2O3-MgO-Al2O3-MgO,” Ogneupory, 1989, 4, pp. 27–28. Google Scholar A.H. De Aza, P. Pena, and S. De Aza: “Ternary System Al2O3-MgO-CaO: I: Primary Phase Field of Crystallization of...
通过运用FactSage中的Viscosity模块与PhaseDiagram模块进行计算,与实验测定的炉渣黏度进行对比。结果表明:在10%FeO-CaO-SiO2-MgO-15%Al2O3五元渣系中,MgO含量为12%时,炉渣黏度达到最低;在10%FeO-CaO-SiO2-10%MgO-Al2O3五元渣系中Al2O3的含量为12%时,炉渣黏度最低;当MgO/Al2O3在0.7~0.8之间,炉渣流动性...
The phase diagram of the TiO 2 -CaO-SiO 2 -10wtpct Al 2 O 3 -5wtpct MgO system in the TiO 2 -rich corner at 1773K has been established. The obtained phase diagram can provide reliable reference for the slag adjusting during vanadium-titanium magnetites smelting to make sure the ...