Nuclear Science User Facilities 128 APS..................................................Advanced Photon Source APT................................................. Atom ProbeTomography ATR...................................................... AdvancedTest Reactor BMG.......................................................... bulk metallic glass BR2..............................................................Belgian Reactor 2 CAES.............................. Center for Advanced Energy Studies CINR.................. Consolidated Innovative Nuclear Research CRP...........................................................Cu-rich precipitate DBH............................................dispersed barrier hardening DISECT..............Disc Irradiation for Separate EffectsTesting with Control ofTemperature DOE..................................................... Department of Energy dpa.....................................................displacements per atom DTRA.................................DefenseThreat Reduction Agency EBR-II................................ Experimental Breeder Reactor II ECP.......................................... element contact profilometer EDS........................................ energy dispersive spectroscopy EELS.................................Electron Energy Loss Spectrometer EML.....................................Electron Microscopy Laboratory EPMA.................................... Electron Probe Micro-Analyzer EPRI................................... Electric Power Research Institute F/M........................................................ferritic/ martensitic FCCI............................... fuel-cladding chemical interaction FFT.....................................................Fast FourierTransform FIB..............................................................Focused Ion Beam FSW..........................................................friction stir welded HEDM............... High-Energy X-Ray Diffraction Microscopy NSUF LIST OF ACRONYMS HFEF....................................... Hot Fuel Examination Facility IMCL....... Irradiated Materials Characterization Laboratory INL...............................................Idaho National Laboratory IVEM...................IntermediateVoltage Electron Microscope IYNC..........................InternationalYouth Nuclear Congress JOG............................................................. joint oxyde-gaine KAM...................................... Kernel Average Misorientation LAMDA.....................Low Activation Materials Development and Analysis LANL...................................Los Alamos National Laboratory LEAP...........................................Local Electrode Atom Probe LWR...........................................................light water reactor MaCS........................Microscopy and Characterization Suite MFC..........................................Materials and Fuels Complex MITR............Massachusetts Institute ofTechnology Reactor MMLC................................. multimetallic layered composite MNSP....................................................Mn-Ni-Si precipitate MOX.................................................................... mixed oxide NE.................................................... Office of Nuclear Energy NEET.........................Nuclear Energy EnablingTechnologies NEUP.............................Nuclear Energy University Program NFA...........................................nanostructured ferritic alloy NIFS............................ National Institute for Fusion Science NITE..................nano infiltration transient eutectic ceramic NSUF..................................... Nuclear Science User Facilities ODS........................................oxide dispersion strengthened ORNL................................... Oak Ridge National Laboratory