b'onto an Inconel 600 boat and loadedproduced UN2 with relatively high Results from thisin an Inconel 600 reaction vessel.yield, with another unidentified project presentAll sample preparation was carriedphase present in small fractions. The an alternative,out in under argon in a gloveboxtemperature for these two successful commercially viableto avoid oxygen contaminationruns was set to 1050 and 913 C, processing route toof the UF4 powder. The reactionindicating that this process can be produce UN fromvessel was then transferred toachieved in this narrow range of common uraniuma clamshell furnace, connectedtemperatures. It was also observed feedstocks found to the ammonium gas line, andthat these two runs were carried in industry. heated to various temperatures andout under slightly above ambient reactant flow conditions. After heatpressure of the ammonium in the treatment, structural characterizationreactor vessel in comparison to was performed using X-Raythe other six runs. It is therefore diffraction (XRD) for the first eightassumedexperiments, which are shown inthat the pressure of the system is key Figure 1, and are plotted along within determining optimal parameters the standard XRD peaks for UF4,for formation of UN2 powders by UO 2 , and UN2. The results showammonolysis. Diffraction peaks that UN2 was in formed in runsfor UO 2are also observed in all #2-7, however, the reaction was noteight runs, and this is presumed completed, as UF4 was still detectedto be oxidation of the UF4 starting in the XRD patterns for several of thematerials, which persist afterruns. In particular, runs #2 and 6heat treatment.28 2019|AFC ACCOMPLISHMENTS'