| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials and Chemistry for Molten Salt Systems
|
| Presentation Title |
Performance of Corrosion Resistant Claddings on 316H Stainless Steel in Molten Fluoride Salt |
| Author(s) |
Matthew Weinstein, Will Doniger, Cody Falconer, Chuan Zhang, Cem Topbasi, Kumar Sridharan, Adrien Couet |
| On-Site Speaker (Planned) |
Matthew Weinstein |
| Abstract Scope |
All current structural alloys, code certified for the temperature ranges expected for MSRs, contain high levels of chromium, making them highly susceptible to salt corrosion. One potential solution to circumvent the need for code certification of new alloys is to design claddings that will protect the underlying code certified materials from corrosion damage during reactor operation. In this work, we examined a variety of Nickel-based, Molybdenum-based, and HEA based coating materials on SS316H. Introduction of a carburized layer is also investigated. We performed static corrosion tests in molten FLiNaK at 700 C up to 1000 hours to assess the corrosion resistance of the cladding systems. Pre and post corrosion SEM, EDS and GDOES were performed to characterize the cladding degradation. Additionally, four-point bend tests, thermal shock tests and thermal aging were performed in conjunction with thermo-kinetic modeling to assess the mechanical properties and high temperature performance of the claddings. |
| Proceedings Inclusion? |
Planned: |