About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Ceramic Materials and Processing
|
| Presentation Title |
Thermodynamic analysis of Cr2AlB2 synthesized by molten salt electrochemical method |
| Author(s) |
Ying Chen, Hongyan Yan, Pengzhen Li, Yang Liu |
| On-Site Speaker (Planned) |
Ying Chen |
| Abstract Scope |
Cr2AlB2 has become a research hotspot in the field of structural ceramics. Molten salt electrochemical synthesis of Cr2AlB2 in CaCl2-NaCl was proposed based on thermodynamic calculations. It was shown that during 700~1000 °C molten salt had no effect on the raw materials. The experimental voltage range was controlled from -2.37 V to -3.11 V. It was shown that B was electrolytically reduced before Al and spontaneously reacted with Cr to form the intermediate phases CrB, Cr5B3, Cr3B4, and CrB2, and then reacted with Al to form Cr2AlB2. Experimental program was proposed to design a series of ratios with Al excess from 20% to 100% as raw materials using Cr2O3/Al2O3/B2O3 (1:0.5:1) as the base ratios.The feasibility of Cr2AlB2 preparation by molten salt electrochemical method was confirmed by thermodynamic theoretical calculations. It provided a theoretical basis and methodological innovation for the low energy consumption preparation and controllable synthesis of MAB phase ceramics. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Ceramics, Electrometallurgy, Powder Materials |