2018 | AFC ACCOMPLISHMENTS 197 SPND...................................................................................................................Self-powered Neutron Detectors SPS...................................................................................................................................... Spark Plasma Sintering SS....................................................................................................................................................... Stainless Steel STEM................................................................................................ ScanningTransmission Electron Microscopy TAMU...................................................................................................................................Texas A&M University TC................................................................................................................................................... Thermocouples TD............................................................................................................................................Theoretical Density TEM..................................................................................................................Transmission Electron Microscopy THOR............................................................................................. Temperature Heat-sink Overpower Response TLT........................................................................................................................ Temperature LimitedTransient TMT...................................................................................................................... ThermomechanicalTreatments TREAT..................................................................................................................... Transient ReactorTest Facility TRISO................................................................................................................................Tri-structural Isotropic UCSB..........................................................................................................University of California Santa Barbara U.S.......................................................................................................................................................United States U-Si..............................................................................................................................................Uranium Silicide UF...........................................................................................................................................University of Florida UN................................................................................................................................................Uranium Nitride UW....................................................................................................................................University ofWisconsin VTR........................................................................................................................................VersatileTest Reactor VXF.............................................................................................................................Vertical Experiment Facility WQ.............................................................................................................................................. Water Quenching WUPS...................................................................................................................Welding Under Pressure System XCT..........................................................................................................................X-ray ComputedTomography XRD.............................................................................................................................................X-Ray Diffraction