R Sitterson Contact SITTERSONRG@ORNL.GOV All Publications Mechanical properties of Zircaloy cladding tubes and contributions to M.E.T.A. mechanical property database Progress Report on Modified Burst Testing and Alternative Test Methodologies Development of a Twin-Screw D-2 Extruder for the ITER Pellet Injection System... Key Links Organizations Fusion and Fission Energy and Science Directorate