About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Ceramic Materials and Processing
|
| Presentation Title |
MXene Reinforced Ultra-High Temperature Ceramics |
| Author(s) |
Yuxiang Gan, Laxmi Sai Viswanadha, Jianyu Dai, Kelvin Y. Xie, Jeremy Lee Watts, Mohammad Naraghi, Chenglin Wu |
| On-Site Speaker (Planned) |
Yuxiang Gan |
| Abstract Scope |
Polymer-derived ceramics (PDCs) are promising for ultra-high temperature applications but are limited by intrinsic brittleness. This study investigates the reinforcement of silicon carbide based PDCs using two-dimensional MXenes, including Ti₃C₂ and TiVCrMoC₃ MXenes, to enhance mechanical performance. Ceramic composites were synthesized using a SMP-10 matrix and various MXene concentrations via pyrolysis. Spark Plasma Sintering was employed to fabricate dense composites. The unique layered structure and nanoplasticity of TiVCrMoC₃ MXene facilitate toughening mechanisms such as crack deflection, bridging, and delamination. These enhancements are attributed to effective stress transfer and strong MXene-matrix interfacial bonding. Notably, composites with 3 wt% TiVCrMoC₃ MXene exhibited the most significant improvements, achieving a 55.3% increase in modulus and a 49.0% rise in fracture toughness. Transmission electron microscopy provided insights into the interfacial bonding and microstructural evolution responsible for the enhanced performance. This work highlights the potential of MXenes as high-performance reinforcements for ceramic systems in extreme environments. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Ceramics, Composites, High-Temperature Materials |