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
Nuclear Installations Safety
Devoted specifically to the safety of nuclear installations and the health and safety of the public, this division seeks a better understanding of the role of safety in the design, construction and operation of nuclear installation facilities. The division also promotes engineering and scientific technology advancement associated with the safety of such facilities.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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
Feb 2025
Jul 2024
Latest Journal Issues
Nuclear Science and Engineering
March 2025
Nuclear Technology
Fusion Science and Technology
February 2025
Latest News
RP3C Community of Practice’s fifth anniversary
In February, the Community of Practice (CoP) webinar series, hosted by the American Nuclear Society Standards Board’s Risk-informed, Performance-based Principles and Policies Committee (RP3C), celebrated its fifth anniversary. Like so many online events, these CoPs brought people together at a time when interacting with others became challenging in early 2020. Since the kickoff CoP, which highlighted the impact that systems engineering has on the design of NuScale’s small modular reactor, the last Friday of most months has featured a new speaker leading a discussion on the use of risk-informed, performance-based (RIPB) thinking in the nuclear industry. Providing a venue to convene for people within ANS and those who found their way online by another route, CoPs are an opportunity for the community to receive answers to their burning questions about the subject at hand. With 50–100 active online participants most months, the conversation is always lively, and knowledge flows freely.
Yoshiaki Himeno, Kazuo Mukai, Tatsuro Iguchi, Ken Yamamoto, Fumio Nagai, Masao Fujita
Nuclear Technology | Volume 58 | Number 1 | July 1982 | Pages 84-89
Technical Paper | Material | doi.org/10.13182/NT82-A32961
Articles are hosted by Taylor and Francis Online.
A large cold trap with sodium inventory of ∼1.0 m3, which had been regenerated at high temperatures (i.e., 450 to 600°C) 16 times during its 6-yr life, was subjected to destructive examinations. Emphasis was placed on determination of material damage to the mesh wires and the compositional material due to the multi-time high temperature regenerations. With regard to the mesh wires, the results of examinations revealed that mechanical strength was significantly reduced due to selective leaching of metal elements such as nickel and chromium. Before the examination, formation of a crack or defect that could have been caused by stress corrosion was suspected in the stainless steel structural material. But no such crack or defect was found.
