V–4Cr–4Ti alloys exhibit important advantages as a candidate structural materials for fusion reactor first-walls and blanket applications. V–4Cr–4Ti alloys were prepared by direct electrochemical reduction of the solid mixture of V₂O₃, Cr₂O₃ and TiO₂ in the molten CaCl₂–NaCl eutectic at 1073 K. The influence of cell voltage, sintering temperature and electrolysis time on the electrolysis process are reported. The microstructure and phase compositions of the products were analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD) during the electrolysis process. The results showed that V–4Cr–4Ti alloys can be obtained at the voltage of 3.1 V and the time of 0.5 h. Cr₂O₃ was first reduced to Cr metal, while V₂O₃ and TiO₂ was reduced to low-valence oxide of vanadium and titanium. The reduction rate increases with increasing cell voltage, with much perovskite oxide formed during the electrolysis process.

中文翻译：

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熔融盐中电脱氧法由混合氧化物制备V–4Cr–4Ti合金

V-4Cr-4Ti合金作为聚变反应堆第一壁和橡皮布应用的候选结构材料具有重要的优势。通过在1073 K下将熔融的CaCl ₂ -NaCl共晶中的V ₂ O ₃，Cr ₂ O ₃和TiO ₂的固体混合物直接电化学还原来制备V-4Cr-4Ti合金。电池电压，烧结温度和温度的影响报告了电解过程中的电解时间。在电解过程中，通过扫描电子显微镜（SEM）和X射线衍射（XRD）分析了产物的微观结构和相组成。结果表明，在电压为3.1 V且时间为0.5 h的情况下可获得V–4Cr–4Ti合金。铬首先将₂ O ₃还原为Cr金属，而将V ₂ O ₃和TiO ₂还原为钒和钛的低价氧化物。还原速率随电池电压的增加而增加，在电解过程中会形成许多钙钛矿氧化物。