phase diagramcrystal structurechemical composition矽酸鹽礦物在地球上是含量最多的礦物,因此最常應用於工業上.合成鹼土族元素之正矽酸鹽類是現今最主要的發光材料之一.鹼土族正矽酸鹽類系列中,Sr2SiO4 與Mg2SiO4在工業上做為螢光材料的寄主體.(Ca,Ba,Sr)2SiO4為同結構之完全固熔體;在Mg2SiO4-Ca2SiO4系列中,...
Kuskov OL, Fabrichnaya OB, Galimzyanov RF, Truskinovsky LM (1989) Computer simulation of the phase diagram for the MgO-SiO2 system at P-T parameters of the mantle transition zone. Phys Chem Minerals 16:442–454 Google Scholar Lees AC, Bukowinski MST, Jeanloz R (1983) Reflection prope...
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...
因此,本文基于含 BO熔渣 1《71 结构的离子与分子共存理论和熔体表面张力 的 图1 MgO_B2O3一SiO2三元相 图 Butler方程,建立了MgO-BO3一SiO2体系的表面张 Fig.1 MgO—B2Os-SiO2ternaryphasediagram 力计算模型,并将计算结果与文献实验数据进行对 综上所述,本研究确定MgO—B2O.SiO:三元体 比,以验证模型的准确...
MgO-CaO-SiO2 Ternary Phase Diagram, Fig. 598, "Phase Diagrams for Ceramists" (American Ceramic Society, Columbus, OH, 1964). CaO-SiO2 Binary Phase Diagram, Fig. 237, "Phase Diagrams for Ceramists" (American Ceramic Society, Columbus, OH, 1964). J. F. Clements and J. Vyse, Trans. J....
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...
A computer model of the T – x – y diagram of MgO–SiO 2 –Al 2 O 3 system is used to show the possibility of analysis of its microstructure constitution in terms of competition between primary and eutectic crystals by means of vertical mass balance diagrams calculated for a given centroi...
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...
Figure 8. The relationship diagram of BET surface area and etching time. Moreover, the type-IV isotherms (Figure 9) indicate the mesoporous structure of as-prepared Manadtereiatlcsh20e1d8,s1a1m, 1p63l1es. Therefore, a cordierite phase with the high specific surface area and mesopo8 roof ...
Combined with the DSC curve and the SiO2Al2O3CaOMgO quaternary phase diagram, these changes may be mainly caused by phase transitions of quartz. The temperature matching contact angles 90° is about 1265 °C. The contact angles for PtRh20 and ODS-PtRh20 have a little difference: when ...