用X射线座滴照像法测量了铝液-氟化物熔盐间的界面张力。采用曲线拟合液滴轮廓坐标的计算机程序处理座滴图像。用逐步回归分析方法获得了计算熔盐密度值的回归方程。讨论了熔盐中NaF/AlF_3分子比,Li_2CO_3和稀土氧化物含量对熔盐-铝液间界面张力的影响。测量了铝液在熔盐中对石墨、工业碳块以及TiB_2涂层的润湿角。
Interfacial tension between liquid Al and molten fluoride salt wasdetermined using sessile drop method combined with X-ray radiograph. A compu-ter program of curve fit for coordination of configuration of sessile drop was usedin the picture processing of the sessile drop. Regressive equations were worked outto calculate density of the molten salt. Influence of mole ratio of NaF/AlF_3, contentof Li_2CO_3 and rare-earth oxides in the molten salt on interfacial tension of Al-saltwas discussed. The contact angles of liquid Al on the surface of graphite, graphitizedcarbon cathode and the graphite with coating of TiB_2 were determined.
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