| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Materials for Energy Conversion and Storage VI
|
| Presentation Title |
Ice-templated Sintered Metal Oxides with Directional Porosity and Characterization of Compressive Mechanical Properties |
| Author(s) |
Dipankar Ghosh, Rohan Parai, Tessa Walters, Sashanka Akurati, Justine Marine, Gary M Koenig |
| On-Site Speaker (Planned) |
Dipankar Ghosh |
| Abstract Scope |
Mechanically robust open-cell porous ceramic materials are important for a variety of engineering applications such as energy conversion and storage. However, high pore tortuosity and weak mechanical behavior of conventionally processed open-cell ceramics require alternative fabrication methodologies. Ice-templating is an emerging manufacturing technique which enables the synthesis of hierarchical porous ceramic materials with directional porosity. In this technique, an aqueous ceramic suspension is solidified under unidirectional temperature gradient in which simultaneous phase segregation of solvent (as crystals) and particles occurs. To utilize for energy storage, one important aspect is to understand mechanical behavior of ice-templated materials in relations to composition and microstructure. We will discuss the synthesis of ice-templated sintered metal oxides and the role of different variables in tailoring length-scale features of hierarchical microstructure and the corresponding impact on compressive mechanical properties and failure behavior, which will provide significant insights into the structure-mechanical property relationships. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |