|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Mechanical Behavior and Degradation of Advanced Nuclear Fuel and Structural Materials
||Phase Stability in FeCrAl Alloys: Mapping the Miscibility Gap and Understanding the Impact of Alpha Prime Precipitation on Material Properties
||Rajnikant V. Umretiya, Andrew Hoffman, Raul B Rebak
|On-Site Speaker (Planned)
||Rajnikant V. Umretiya
FeCrAl alloys are a leading candidate class of alloys for accident tolerant fuel cladding due to their good mechanical properties and hydrothermal corrosion resistance coupled with their excellent high temperature steam oxidation resistance. One of the largest unknowns in FeCrAl alloys is understanding the phase stability of this system at temperatures below the ~500°C miscibility gap. In this presentation we will discuss work that shows the impact of chemistry on thermodynamics and kinetics, experimental mapping of the FeCrAl phase diagrams, and how α’ precipitation impacts material properties including corrosion and mechanical properties.