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首页> 外文期刊>ISIJ international >Structural Evaluation of Molten Aluminosilicate by Combining Impedance Measurements and Cell Model Calculations
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Structural Evaluation of Molten Aluminosilicate by Combining Impedance Measurements and Cell Model Calculations

机译：结合阻抗测量和单元模型计算的熔融硅铝酸盐的结构评价

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Molten oxides have been used for a range of processes; however, their physical and rheological properties affect the quality of products manufactured from them. Although various reports of structural analysis exist, the methods employed are typically time consuming. Herein, a method is established for rapidly estimating the structures of melts by combining impedance measurements and thermodynamic calculations regarding the cell model. The melt structure is calculated using two thermodynamic parameters; however, these parameters have not yet been reported for systems containing alkali metal oxides. Thus, impedance measurements were carried out for SiO_2-Al_2O_3-RO melt systems (R = Ca or Mg), and relationships between the equivalent circuit components and the thermodynamic parameters of the cell model were established. The structures of melts containing alkali metal oxides were then estimated by calculating the thermodynamic parameters of these systems by substituting the equivalent circuit components in the correlation equations. The structures estimated by the proposed method appear to correlate with those measured by NMR spectroscopy.
机译：熔融氧化物已用于许多工艺中。但是，它们的物理和流变性能会影响由它们制成的产品的质量。尽管存在各种有关结构分析的报告，但是所采用的方法通常很耗时。在此，建立了一种通过结合关于单元模型的阻抗测量和热力学计算来快速估算熔体结构的方法。使用两个热力学参数计算熔体结构；但是，对于包含碱金属氧化物的系统，尚未报告这些参数。因此，对SiO_2-Al_2O_3-RO熔融体系（R = Ca或Mg）进行了阻抗测量，并建立了等效电路组件与电池模型热力学参数之间的关系。然后通过将这些等效电路组件代入相关方程，通过计算这些系统的热力学参数，可以估算出含有碱金属氧化物的熔体的结构。通过提出的方法估计的结构似乎与通过NMR光谱法测量的结构相关。

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