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Division Spotlight
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
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!
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Fusion Science and Technology
Latest News
Deep Isolation validates its disposal canister for TRISO spent fuel
Nuclear waste disposal technology company Deep Isolation announced it has successfully completed Project PUCK, a government-funded initiative to demonstrate the feasibility and potential commercial readiness of its Universal Canister System (UCS) to manage TRISO spent nuclear fuel.
Ruihuan Li, Xiaoxiao Cao, Zhixian Su, Dan Sun, Yedi Chen, Wei Feng, Zhihui Zhang, Jijun Zhao
Fusion Science and Technology | Volume 77 | Number 6 | August 2021 | Pages 419-428
Technical Paper | doi.org/10.1080/15361055.2021.1920784
Articles are hosted by Taylor and Francis Online.
Density functional theory calculations were used to study the effects of inherent impurities C, N, and O on the stability and the self-trapping of interstitial He atoms in body-centered-cubic vanadium (V). The most stable site for the He atom nearby C, N, and O is the tetrahedral interstitial site (T-site) rather than the octahedral interstitial site (O-site). The presence of C, N, or O impurities reduces the stability of He in the T-site according to the calculated formation energies. The addition of C and O atoms is beneficial for He self-trapping while the addition of the N atom prevents He self-trapping in vanadium. The stable configurations for Xn-vacancy1 (XnVa1) are C2Va1, N2Va1, and O2Va1. The trapping energies of multiple He atoms captured by XnVa1 are investigated. Our results show that the presence of C, N, and O reduces vacancy trapping of He atoms. Our findings provide further understanding on the behavior of He atoms in vanadium with the influence of C, N, and O.
