| Abstract Scope |
Kairos Power has developed a fluoride salt-cooled high-temperature reactor which utilizes stainless steel structural components, Flibe salt as its primary coolant, and ‘solar salt’ as an intermediate coolant. Materials performance in the KP-FHR system may be affected by degradation phenomena that are grouped into four broad categories: corrosion, environmentally assisted cracking (EAC), thermal degradation, and irradiation damage. This presentation focuses on recent developments in corrosion and EAC testing. The corrosion tests utilize novel rotating cage loop (RCL) systems which simulate key features of the KP-FHR (temperature, flow rate, dissimilar material contact, cold leg flow, etc.) in a design that is more efficient than conventional pumped loop designs. Similarly, the EAC tests utilize state-of-the-art systems for slow strain rate, fatigue crack growth rate, and constant K stress corrosion cracking tests. Results to date will be presented and the discussion will focus on assessing the performance of safety-related components in the KP-FHR. |