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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.
Forbes R. Powell
Fusion Science and Technology | Volume 45 | Number 2 | March 2004 | Pages 197-201
Technical Paper | Target Fabrication | doi.org/10.13182/FST04-A449
Articles are hosted by Taylor and Francis Online.
This paper discusses some recent contributions to the use of polyimide in the fabrication of targets for Inertial Confinement Fusion (ICF) and Inertial Fusion Energy (IFE). Polyimide has many desirable properties, including much higher strength and the ability to withstand much higher temperatures than similar polymer films. Recent research efforts have focused on the use of polyimide in a number of applications including gasbag targets, hohlraum windows, spherical target capsules, anti-convection baffles and various shaped membranes such as target capsule supports and cylindrical z-pinch targets where polyimide's advantages contribute to superior target performance. Also covered are the fabrication of thick-wall target capsules and the potential production of thin-wall spherical capsules by a fully automated process.