| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Composite Materials for Nuclear Applications II
|
| Presentation Title |
Development and Evaluation of Dual-purpose Coating to SiC/SiC Composite Accident-tolerant Fuel Cladding for Light Water Reactors |
| Author(s) |
Yutai Katoh, Takaaki Koyanagi, Peter Mouche |
| On-Site Speaker (Planned) |
Yutai Katoh |
| Abstract Scope |
Silicon carbide (SiC/SiC) composite-based fuel cladding continues being an accident-tolerant fuel technology concept for both light water reactors (LWR) and advanced fission energy systems for the exceptional high temperature capability, slow kinetics of steam oxidation, and the insensitivity of mechanical properties and fracture behavior to neutron irradiation. However, to protect SiC from radiation-assisted corrosion in the normal chemistry boiling water reactor coolant and to secure sufficiently low probability of cracking failure due to a stress build-up during the fuel operations, a dual-purpose coating (environmental barrier and hermeticity) may be necessary. In this paper, development of the dual-purpose coating technologies and the recent results from evaluation (including the effects of neutron irradiation) of selected coatings are presented, followed by discussion on the updated path-forward for the technology development and associated opportunities for materials science. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Composites, Nuclear Materials, Environmental Effects |