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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.
Satoshi Sato, Toshihisa Hatano, Hideyuki Takatsu, Toshio Osaki, Toshimasa Kuroda, Koichi Yamada, Mikio Enoeda, Shinichi Sato, Kazuyuki Furuya, Yoshihiro Ohara
Fusion Science and Technology | Volume 34 | Number 3 | November 1998 | Pages 892-898
Fusion Blanket and Shield Technology (Poster Session) | doi.org/10.13182/FST98-A11963726
Articles are hosted by Taylor and Francis Online.
A full-scale prototype mockup of the ITER shielding blanket composed of the first wall with built-in circular tubes and the shield block has been successfully fabricated. Joints of the first wall/the shield block as well as those of the DSCu/DSCu, DSCu/SS and SS/SS in the first wall, were simultaneously HIP bonded. The fabricated prototype mockup fully satisfied the specified design conditions such as dimensional accuracy, pressure-resistance, etc. After HIPping, HIPped interfaces were metallographically observed with pieces cut from the edge of the mockup. There were no harmful voids at the bonded interfaces, and good bondability of simultaneous HIP method was confirmed. In addition, engineering data on fabrication including bonding deformation were obtained.