2016 | ANNUAL REPORT 97 PNNL......................................................................................................... Pacific Northwest National Laboratory RDF............................................................................................................................Radial Distribution Function RFI.................................................................................................................................... Request for Information RIS......................................................................................................................... Radiation-Induced Segregation RPV..................................................................................................................................... Reactor PressureVessel RTE......................................................................................................................... RapidTurnaround Experiment SAM..................................................................................................................................................Sample Library SD.........................................................................................................................................Spinol Decomposition SEM.........................................................................................................................Scanning Electron Microscope SPS.......................................................................................................................................Spark Plasma Sintering STEM.................................................................................................ScanningTransmission Electron Microscopy TEM............................................................................................................... Transmission Electronic Microscope TMS.................................................................................................... The Minerals, Metals and Materials Society TREAT...................................................................................................................................Transient ReactorTest TRISO..................................................................................................................................Tristructural Isotropic TRL.............................................................................................................................. Technology Readiness Level XMAT........................................................................................................................Extreme Materials Beam Line