攀枝花含钛高炉渣直接制备钛合金

来源期刊:中国有色金属学报2010年第9期

论文作者:邹星礼 鲁雄刚

文章页码:1829 - 1835

关键词:钛合金;含钛高炉渣;熔盐电解;固体透氧膜法

Key words:titanium alloy; Ti-bearing blast furnace slag; molten salt electrolysis; solid oxygen-ion membrane process

摘    要:采用固体透氧膜(SOM)法研究直接电解攀枝花含钛高炉渣制备钛硅合金。以经过1 150 ℃预烧2 h成型的攀枝花含钛高炉渣为阴极,以氧化锆管内碳饱和铜液为阳极,将两者置于CaCl2熔盐中,在1 100 ℃、电解电压3.5~4.0 V的条件下高温熔盐电解2~8 h。采用SEM、EDX和XRD等方法对电解产物进行分析。结果表明:含钛高炉渣电解还原后的产物为TixSiy系合金,含钛高炉渣中钙、镁和铝等金属元素被有效去除。

Abstract: The TixSiy alloy was prepared by solid oxygen-ion membrane(SOM) process from Ti-bearing blast furnace slag. The Ti-bearing blast furnace slag powders sintered at 1 150 ℃ for 2 h were used as the cathode, and the carbon-saturated liquid copper loaded in zirconia tube was used as the anode, which were electrolyzed in a molten CaCl2 at 1 100 ℃ with a potential of 3.5-4.0 V for 2-8 h. The products were analyzed by SEM, EDX and XRD. The results show that Ti-bearing blast furnace slag is electrochemically reduced to TixSiy alloy in molten CaCl2, and the calcium, magnesium and aluminum are completely removed during electrolysis.

基金信息:国家重点基础研究发展计划资助项目
国家自然科学基金资助项目

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