F.W. (Bill) Wiffen Contact 865.574.2556 | wiffenfw@ornl.gov All Publications Summary Report on the Refined User Requirements for U.S. Fusion Prototypic Neutron Source Fusion Materials Research at Oak Ridge National Laboratory in Fiscal Year 2020 Fusion Materials Research at Oak Ridge National Laboratory in Fiscal Year 2019... Materials-engineering challenges for the fusion core and lifetime components of the fusion nuclear science facility... Initial Characterization of V-4Cr-4Ti and MHD Coatings Exposed to Flowing Li...