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NRC grants license for TRISO-X fuel manufacturing using HALEU
The Nuclear Regulatory Commission has granted X-energy subsidiary TRISO-X a special nuclear material license for high-assay low-enriched uranium fuel fabrication. The license applies to TRISO-X’s first two planned commercial facilities, known as TX-1 and TX-2, for an initial 40-year period. The facilities are set to be the first new nuclear fuel fabrication plants licensed by the NRC in more than 50 years.
Yusha Li, Qing Liu, Zongxing Gu, Xiaoxu Dong, Zeyu Gao, Yingchun Zhang
Fusion Science and Technology | Volume 81 | Number 7 | October 2025 | Pages 691-701
Research Article | doi.org/10.1080/15361055.2025.2493408
Articles are hosted by Taylor and Francis Online.
Tungsten (W) coatings on a Cu-Cr-Zr alloy surface were obtained by pulsed current electrodeposition from Na2WO4-WO3-NaCl molten salt at different temperatures and current densities in an air atmosphere. The microstructure of the coating was observed, and the coating density, porosity, and hardness were tested. The results revealed W coatings with a silver-white metallic luster electrodeposited on the surfaces of a Cu-Cr-Zr alloy substrate when the temperature decreased from 1173 to 1023 K. The grain size and thickness of the W coatings changed significantly with current density, but the density, porosity, and hardness of the coating were slightly influenced by current density. The addition of NaCl refined the size of the tungsten grains in the W coatings. Among them, the W coating sample electrodeposited under 1123 K and 30 mA/cm2 current density had the best performance, with a relative density of 96.95%, a porosity of 1.11%, and a hardness of 502.4 HV.
