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2025 ANS Winter Conference & Expo
November 8–12, 2025
Washington, DC|Washington Hilton
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Fusion Science and Technology
Latest News
DNFSB’s Summers ends board tenure, extending agency’s loss of quorum
Lee
Summers
The Defense Nuclear Facilities Safety Board, the independent agency responsible for ensuring that Department of Energy facilities are protective of public health and safety, announced that the board’s acting chairman, Thomas Summers, has concluded his service with the agency, having completed his second term as a board member on October 18.
Summers’ departure leaves Patricia Lee, who joined the DNFSB after being confirmed by the Senate in July 2024, as the board’s only remaining member and acting chair. Lee’s DNFSB board term ends in October 2027.
I. P. Maksimkin, A. A. Yukhimchuk, I. E. Boitsov, I. L. Malkov, A. Yu Baurin, S. K. Grishechkin, E. V. Shevnin
Fusion Science and Technology | Volume 60 | Number 4 | November 2011 | Pages 1519-1522
Interaction with Materials | Proceedings of the Ninth International Conference on Tritium Science and Technology (Part 2) | doi.org/10.13182/FST11-A12721
Articles are hosted by Taylor and Francis Online.
The paper presents research results related to the impact of high-pressure hydrogen (80 MPa) and radiogenic 3He and their synergetic effect on mechanical properties and structure of CrNi40MoCuTiAl alloy within the temperature range from room temperature to 873K.The samples of three different 3He concentrations have been prepared for research: [approximately equal] 30, [approximately equal] 80 and [approximately equal] 190 appm. The buildup of 3He has been fulfilled using “tritium trick” technique.The tests at room temperature have shown the increasing conventional yield strength (0.2) and decreasing plasticity characteristics (total elongation 5 and reduction of area ) depend on 3He concentration increasing. However at 873 K test temperature the alloy with the maximum 3He ([approximately equal] 190 appm) concentration turned out to be more plastic than the alloy with 3He [approximately equal] 30 and 80 appm concentration.
