About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
|
Biological Materials Science
|
Presentation Title |
Bioinspired Design of Next Generation Structural and Thermal Materials |
Author(s) |
Nima Rahbar |
On-Site Speaker (Planned) |
Nima Rahbar |
Abstract Scope |
This talk focuses on the fundamental ideas arising from understanding the mechanisms behind the superior properties of biological materials through spe- cific examples of nacre, bamboo, tooth, cartilage and lipid bilayers. We have shown the outstanding mechanical behavior of nacre is primarily due to the existence of nano-pillars with near-theoretical strength. We have experimentally and numerically studied mechanical and fracture properties of bamboo at multiple scales. We have shown that while hemicel- lulose has better thermodynamic and mechanical properties than lignin, lignin exhibits a greater tendency to adhere to cellulose nanofibrils, and therefore provides the strength in bamboo fibers. The results of our non-equilibrium molecular dynamics simulations for a range of different temperature gradients show that the thermal properties of the Dipalmi- toylphosphatidylcholine (DPPC) bilayer are highly dependent on the temperature gradient. These results provide significant new insights into developing new thermal insulation for engineering applications such as thermal diodes. |
Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |