b'The modernization and optimization of thermomechanical treatmeatments used to fabricate advanced ODS FeCrAl is rapidly propelling this fuel cladding candidate material to increasing levels of technology readiness.maximal irradiation resistance andsion to Zr-alloys or even wrought high temperature strength withoutFeCrAl variants. Due to the higher sacrificing alloy ductility, (2) tostrength of the ODS FeCrAl alloy, one illustrate that thin-walled tubes ofof the major goals of this project was ODS FeCrAl alloys can be successfullyto form as-extruded rods into thin-manufactured using currently avail- walled tubes through collaboration able commercial routes, and (3) towith an international commercial begin compiling material propertycollaborator, which was success-data through separate effects tests forfully reported in 2018. However, the future comparison with currentlysevere deformation associated with qualified alloy systems.the fabrication of the thin-walled Over the last half-decade, muchODS FeCrAl tube resulted in a highly research has aimed at designing newtextured and brittle microstructure, ODS FeCrAl alloys that have muchwhich is not ideal for use as cladding finer dispersed particles. The lowerin its current form. This project has Cr level would help minimize thethus aimed to develop processing-irradiation-enhanced precipitationmicrostructure-mechanical property of a Cr-rich alpha-prime phase inrelationships for annealed thin-walled the operating temperature regime ofODS FeCrAl tubes to assess the ability existing light water reactors, while theto regain ductility after recovery and/precipitates would serve to increaseor recrystallization heat treatments.the strength of the alloy for possibly enhanced burst properties in compari-2019|AFC ACCOMPLISHMENTS 91'