ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Materials Science & Technology
The objectives of MSTD are: promote the advancement of materials science in Nuclear Science Technology; support the multidisciplines which constitute it; encourage research by providing a forum for the presentation, exchange, and documentation of relevant information; promote the interaction and communication among its members; and recognize and reward its members for significant contributions to the field of materials science in nuclear technology.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
May 2025
Jan 2025
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Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
High-temperature plumbing and advanced reactors
The use of nuclear fission power and its role in impacting climate change is hotly debated. Fission advocates argue that short-term solutions would involve the rapid deployment of Gen III+ nuclear reactors, like Vogtle-3 and -4, while long-term climate change impact would rely on the creation and implementation of Gen IV reactors, “inherently safe” reactors that use passive laws of physics and chemistry rather than active controls such as valves and pumps to operate safely. While Gen IV reactors vary in many ways, one thing unites nearly all of them: the use of exotic, high-temperature coolants. These fluids, like molten salts and liquid metals, can enable reactor engineers to design much safer nuclear reactors—ultimately because the boiling point of each fluid is extremely high. Fluids that remain liquid over large temperature ranges can provide good heat transfer through many demanding conditions, all with minimal pressurization. Although the most apparent use for these fluids is advanced fission power, they have the potential to be applied to other power generation sources such as fusion, thermal storage, solar, or high-temperature process heat.1–3
Technical Session|Sponsored by MSTD
Tuesday, June 18, 2024|1:00–2:45PM PDT|Banyan B
Session Chair:
Benjamin Beeler (NCSU)
Session Organizer:
Alternate Chair:
Jake R. Quincey (Oregon State)
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Integrated Approach to Post-Irradiation Examination of Nuclear Materials at Idaho National Laboratory
1:00–1:40PM PDT
Fabiola Cappia (INL), Daniel Murray (INL), Brandon Miller (INL), Grace Burke (INL), Jian Gan (INL), Aaron Craft (INL), Colin Judge (INL)
Paper
In-situ TEM Observation of Dislocation Evolution in UN in Support of Accelerated Fuel Qualification
1:40–2:00PM PDT
E. Kardoulaki (LANL), M. Kosmidou (LANL), A. Terricabras (LANL), W. Chen (ANL), J. Rizk (LANL), T. Matthews (LANL), J. White (LANL)
Void Surface Diffusion in γ-U-10Mo
2:00–2:20PM PDT
Gyuchul Park (ANL), Benjamin Beeler (NCSU), Bei Ye (ANL)
Effect of Grain Structure and Zr Interdiffusion Layer on Gas Bubble Structure in Monolithic UMo Fuels
2:20–2:40PM PDT
Shenyang Hu (PNNL), Zirui Mao (PNNL), Benjamin Beeler (NCSU)
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