|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||Precipitation Behavior of MxTi3-xO5 in the Titanium-Bearing Electric Furnace Slag
||Fuqiang Zheng, Xiaoming Qu, Guanzhou Qiu, Yufeng Guo, Tao Jiang
|On-Site Speaker (Planned)
MxTi3-xO5 is the main titanium-bearing mineral in titanium-bearing electric furnace slag (TEFS), which is produced by direct reduction-electric furnace smelting process with vanadium titanomagnetite concentrate in Panzhihua-Xichang region of China. In order to effectively utilize the titanium resource in TEFS, the thermomechanical analysis and conditions for the growing up of MxTi3-xO grain was investigated, which emphasis on the effect of CaF2 and cooling rate on the crystallization of MxTi3-xO5 in the melting process. The mineral phase and morphology of titanium-bearing slag were determined by XRD and optical microscope technique, respectively. The results indicated that the average grain size of MxTi3-xO5 grown up from 30 μm to more than 70 μm and the volume fraction of MxTi3-xO5 reached about 55 % from 25 % under the conditions of 5 wt.% CaF2 and cooling rate at 1 °C/min.
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