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Fusion Science and Technology
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The busyness of the nuclear fuel supply chain
Ken Petersenpresident@ans.org
With all that is happening in the industry these days, the nuclear fuel supply chain is still a hot topic. The Russian assault in Ukraine continues to upend the “where” and “how” of attaining nuclear fuel—and it has also motivated U.S. legislators to act.
Two years into the Russian war with Ukraine, things are different. The Inflation Reduction Act was passed in 2022, authorizing $700 million in funding to support production of high-assay low-enriched uranium in the United States. Meanwhile, the Department of Energy this January issued a $500 million request for proposals to stimulate new HALEU production. The Emergency National Security Supplemental Appropriations Act of 2024 includes $2.7 billion in funding for new uranium enrichment production. This funding was diverted from the Civil Nuclear Credits program and will only be released if there is a ban on importing Russian uranium into the United States—which could happen by the time this column is published, as legislation that bans Russian uranium has passed the House as of this writing and is headed for the Senate. Also being considered is legislation that would sanction Russian uranium. Alternatively, the Biden-Harris administration may choose to ban Russian uranium without legislation in order to obtain access to the $2.7 billion in funding.
R. W. Margevicius, L. J. Salzer, M. A. Salazar, L. R. Foreman
Fusion Science and Technology | Volume 35 | Number 2 | March 1999 | Pages 106-114
Technical Paper | doi.org/10.13182/FST99-A11963911
Articles are hosted by Taylor and Francis Online.
A design and a method for the fabrication of a NIF-sized beryllium capsule have been developed. The approach involves machining two halves of the 2.2 mm target from a piece of bulk beryllium copper alloy, joining the two halves under atmosphere, and finish machining the outer dimensions after joining. This design allows for the filling of the capsule either during joining or afterward using either permeation or a drill-and-plug technique. The capsules produced so far have had excellent bond joint quality and were dimensionally very close to the specifications. Needing improvement are the surface finishes, both interior and exterior of the shell.