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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Fusion Science and Technology
Latest News
Indonesia begins working on Cs-137 cleanup
In August, there was much buzz about the Food and Drug Administration ordering a recall on frozen shrimp imported from Indonesia that was found to be contaminated with cesium-137. While the level of radioactivity in the shrimp was orders of magnitude below a level that would cause any measurable harm to consumers, the concentration of Cs-137 was nonetheless unusual.
L. El-Guebaly, T. Huhn, A. Rowcliffe, S. Malang, ARIES-ACT Team
Fusion Science and Technology | Volume 64 | Number 3 | September 2013 | Pages 449-454
ARIES | Proceedings of the Twentieth Topical Meeting on the Technology of Fusion Energy (TOFE-2012) (Part 2) Nashville, Tennessee, August 27-31, 2012 | doi.org/10.13182/FST64-449
Articles are hosted by Taylor and Francis Online.
Research has been conducted to find the optimal steel to use in the vacuum vessel (VV) of ARIES power plants. The VV should meet several design criteria, including activation and fabrication requirements. Seven different types of steel were examined in order to determine which steel would be the best candidate for the ARIES VV. The main concerns are related to activation, properties under irradiation, and fabrication of a sizable VV. Steels generating high-level waste (such as 316-SS) were excluded from possible material choices. As a VV material, there is the necessity for a carefully controlled the post-weld-heat-treatment at ~750°C after assembly, welding, and rewelding. For this particular reason, the F82H FS is not suitable for the ARIES VV. The newly developed 3Cr-3WV bainitic FS meets the activation requirements and has the potential to satisfy the fabrication requirements for the ARIES VV. It is recommended for further consideration because of several advantages over other candidate steels.
