| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Chemistry and Physics of Interfaces
|
| Presentation Title |
Preparation of Ti-Al-Si Alloys by Thermal Reduction of TiO2-SiO2 With Aluminum and Study of Their Properties |
| Author(s) |
Jia Chang Jia Hao, Liangbin Liang Chen, Jingjing Song, Zhenyun Tian, Guibao Qiu |
| On-Site Speaker (Planned) |
Jia Chang Jia Hao |
| Abstract Scope |
Ti-Al-Si polyalloys are commonly utilized in the automotive engine manufacturing sector due to their exceptional heat and friction resistance. Nonetheless, the conventional method of preparing Ti-Al-Si alloys is time and energy intensive, thereby restricting their widespread application. This research focused on the preparation of Ti-Al-Si alloys through aluminum thermal reduction of TiO2-SiO2 using CaO-Al2O3-MgF2 as the primary slag system. By systematically analyzing the aluminum ratio's impact on alloy properties, including slag-gold separation, alloy composition, Ti and Si recovery, physical phase of the alloy, microstructure, and hardness at varying aluminum ratios, it was found that an increase in aluminum ratio improved the slag-gold separation effect. The resulting alloy consisted predominantly of TiAl and Ti5Si3 phases, with an increase in titanium recovery and a fluctuation in silicon recovery. Additionally, the hardness of the Ti-Al-Si alloy exhibited a significant increase. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Composites, Titanium, Characterization |