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| Preparation of Ti5Si3 Alloy by Electrolysis Ti-enriched Slag/SiO2 Composite Cathode in CaCl2 Molten Salt |
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Received:March 06, 2017
Revised:March 08, 2017
Accepted:March 10, 2017
Published Online:June 19, 2017
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| DOI：doi：10.3969/j.issn.1007-7545.2017.07.014 |
| KeyWord:Ti5Si3; Ti-enriched slag; SiO2; CaCl2 molten salt electrolysis |
| Author | Institution |
| Kuang Wenhao |
冶金与能源工程学院 |
| Hua Yixin |
冶金与能源工程学院 |
| Xu Cunying |
冶金与能源工程学院 |
| Li Jian |
冶金与能源工程学院 |
| Li Yan |
冶金与能源工程学院 |
| Zhang Zhen |
冶金与能源工程学院 |
| Gao Xiaobing |
冶金与能源工程学院 |
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| Abstract: |
| Porous Ti5Si3 alloy was prepared from Ti-enriched slag/SiO2 mixed pellet by FFC method in CaCl2 molten salt at 900 ℃ with cell voltage of 2.6~3.2 V. The effects of electrolysis time and cell voltage on electrolysis were investigated by thermodynamics analysis and single factor experiments. The results show that reaction rate is high in initial period, and slows down due to formation of intermediates of CaTiO3 and CaSiO3. The reaction rate is low at cell voltage of 2.6 V, but grows high obviously at 2.8 V. Porous Ti5Si alloy with particle size of 2~5 μm is obtained under the condition of 900 ℃, 8 h, and 3.2 V. |
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