(東北大學(xué)材料與冶金學(xué)院，沈陽 110006)
摘 要: 通過三因子三水平正交實驗設(shè)計，研究了Sc2O3在nNaF·AlF3-ScF3熔鹽體系中的溶解度與熔鹽成分及溫度的關(guān)系。結(jié)果表明，冰晶石的分子比與ScF3的含量是影響溶解度的主要因素，ScF3含量的增加與分子比的降低有利于Sc2O3的溶解。隨溫度的升高，Sc2O3的溶解度增大，但溫度影響顯著性相對較小。在冰晶石分子比為2.1、ScF3含量9%時，Sc2O3 的溶解度可達5%以上。
關(guān)鍵字: 氧化鈧； 氟化物熔鹽； 溶解
（School of Materials Science and Metallurgy, Northeastern University, Shenyang 110006, P.R.China）
Abstract:Through 3 factor-3 level orthogonal design, the relationship between the solubility of Sc2O3 in nNaF·AlF3-ScF3 molten salt and the composition of the molten salt and temperature was studied. The results showed that the molecular ratio of cryolite and the content of ScF3 were the major factors which effect the solubility of Sc2O3. As temperature increased, the dissolution of Sc2O3 increased, but the extent of temperature effect became relatively small. When the molecular ratio of cryolite was 2.1, the content of ScF39%, the solubility of Sc2O3 was more than 5%.
Key words: Sc2O3; fluoride molten salt; dissolution
