About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Sintering and Related Powder Processing Science and Technologies
|
| Presentation Title |
Fiber Reinforced Li2O-Fe Composites for Tritium Breeding Applications |
| Author(s) |
Malachi Nelson, Michael Moorehead |
| On-Site Speaker (Planned) |
Malachi Nelson |
| Abstract Scope |
Fusion reactors require onsite tritium breeding for fuel and “breeding blankets” which produce tritium and shield magnets are an integral feature of tokamak designs. Lithium is a an essential element in producing tritium and various liquid and solid breeding blankets have been proposed, but solid breeding blankets can have higher lithium densities. Li2O has the highest Li density of any compound, but its mechanical properties are poor. This work investigates Li2O-metal composites which can achieve higher Li densities than other solid and liquid systems and excellent mechanical properties by optimizing the Li2O-metal content. Prior work discussed Li2O-Fe powder composites, but this work introduces steel fiber reinforcement to further improve the mechanical properties and increase the Li2O phase fraction. Results indicate that the fiber reinforcement improves the mechanical properties disproportionately to the amount of fibers used, but does introduce anisotropy. |