b'fracture in the elastic regime ofloads are not converted to equivalentFigure 1. Summary of the types of tensile deformation with no retainedstresses/strains due to the combinedmechanical testing performed on Hatch-irradiated IronClad segments. ductility. However, specimens testedbending and axial tension loadingMiniature tensile specimens were at operational temperature exhibitedconditions in this test. extracted from the (a) end cap, (b) upper some retained ductility, with uniformsegment, and (c) axial midplane segment. elongations measuring up to 3%.The underlying microstructuralSpecimens tested at room temperature features underpinning the post- showed minimal ductility, with failure For ring-pull specimens (tested inirradiation mechanical response ofprior to yielding. Specimens tested at the circumferential direction), thethe IronClad segments are revealedoperational temperature conversely showed some retained ductility2023|AFC ACCOMPLISHMENTS 75'