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2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Study mapping U-10Zr porosity informs metallic fuel design
Researchers at Idaho National Laboratory and the Massachusetts Institute of Technology have conducted a three-dimensional study of irradiated U-10Zr—uranium alloyed with 10 percent zirconium—across key radial regions, providing new insights into how the material swells, transfers heat, and interacts with the fuel cladding.
U-10Zr was extensively tested in historical sodium-cooled fast reactors and is now attracting attention for use in next-generation advanced reactors.
Advances in Nuclear Nonproliferation Technology and Policy Conference (ANTPC 2023)
Technical Session|Panel
Tuesday, November 14, 2023|1:00–2:45PM EST|Lincoln West
Session Chairs:
Logan Scott (National Nuclear Security Administration)
Adam Williams (Sandia)
In the United States, several vendors are developing advanced nuclear reactors. While each of these vendor's technical designs vary significantly, each will have to comply with domestic and international regulations and requirements for safety, security, and safeguards (the 3S's) to be viable for deployment. Many advanced reactor vendors have limited resources to devote to these areas as they move through the design phases, electing instead to drive their technical elements forward. The United States Department of Energy (DOE) has recognized the need to allocate financial and technical resources to help vendors address these issues early in the design phase. Through public-private partnerships, vendors are provided opportunities for directed funding or engagements with technical experts within the DOE national laboratory complex to address 3S design considerations. While these programs have different requirements and implementation mechanisms, the driving motive is to prepare US advanced reactor vendors to be competitive in a global supply market with designs that meet requirements for safe operations, secure facilities, and international nonproliferation. This panel will address public-private partnerships, the opportunities available, and lessons learned across several DOE programs. The session will include overviews from three DOE programs available to advanced reactor vendors and representatives from specific vendors that have participated in these programs to provide their experiences. Discussion will center around the benefits of the programs, success stories from past engagements, and opportunities for improvement.
Chris Lohse
INL
Kirsten Laurin-Kovitz
Associate Laboratory Director for Nuclear Technologies and National Security
ANL
Joe Halackna
Westinghouse Electric Co.