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Preparation of primary Al-Si alloy from bauxite tailings by carbothermal reduction process |
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| Authors: | YANG Dong FENG Nai-xiang WANG Yao-wu WU Xiao-lei School of Materials Metallurgy Northe astern University Shenyang China |
| Affiliation: | School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
| Abstract: | Effects of various reaction parameters such as atmospheric pressure, treating temperature, sintering time and bituminite content on the preparation of primary Al-Si alloy by carbothermal reduction of bauxite tailings were investigated by XRD,XRF, infrared absorption carbon-sulfur analysis unit and SEM coupled with EDS. Meanwhile, the mechanism of carbothermal reduction of Al2O3 and SiO2 was discussed. It is found that pressure and temperature are major factors that influence the carbothermal reduction of ba... |
| Keywords: | primary Al-Si alloy bauxite tailings carbothermal reduction process reduction mechanism |
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