A computer phase diagram model is constructed for the MgO–SiO2–Al2O3 system, giving its complete geometric description and containing 10 liquidus surfaces, a liquid–liquid phase separation surface, 75 ruled surfaces at the boundaries between two-phase and three-phase fields, 11 horizontal four-...
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...
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...
Phase diagramHigh pressure•Melting phase relations in the MAS system are predicted through an integrated theoretical and computational approach.•Liquidus topology of binary and ternary phase diagrams is computed up to very HP-HT conditions (i.e. 25GPa and 5000K).•Pressure effects produce a...
Liquidus and phase equilibria in CaO-SiO2-5%MgO-20%Al2O3-TiO2 system The single hot thermocouple technique (SHTT) and high temperature equilibrium technique were combined to investigate the phase diagram of the CaO?SiO2?5%Mg... 孙丽枫,石俊杰,张波,... - 《中南大学学报(英文版)》 被引量: ...
Calculate区主要包括反应模块(Reaction)、优势区图模块(Predom)、E-pH模块(E-pH)、平衡模块(Equilib)、相图模块(Phase Diagram)和优化模块(Optisage)。 (1)Reaction模块 用于计算一个物种、几个物种的混合或一个化学反应的热力学广延量(H、G、V、S、Cp、A)的变化。这里的物种可以为纯元素、计量化合物或者离子...
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 ...
The phase diagram of the TiO2-CaO-SiO2-10?wt?pct Al2O3-5?wt?pct MgO system in the TiO2-rich corner at 1773?K has been established. The obtained phase diagram can provide reliable reference for the slag adjusting during vanadium-titanium magnetites smelting to make sure the resulting Ti-...
phase diagramcrystal structureSamples of 1560 (Al-Mg-Mn) and 1960 (Al-Zn-Mg-Cu) alloys have been used to investigate the nature of the effect of grain size and superplastic treatment on the strength of aluminium alloys. The observed increase in the work needed for crack formation with the ...
M.T. Melnik, A.A. Kachura, and N.V. 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: ...