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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Winter Conference & Expo
November 15–18, 2026
Phoenix, AZ|Arizona Grand Resort & Spa
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
October 2026
Nuclear Technology
September 2026
Fusion Science and Technology
August 2026
Latest News
What’s reshaping nuclear licensing and compliance today?
Mark Reidmeyer
It is the convergence of urgency, innovation, and modernization that is reshaping nuclear licensing and compliance today.
For decades, nuclear licensing operated in a relatively stable environment built around large light water reactors, predictable review cycles, and well-established regulatory pathways. Today, that model is evolving rapidly. Advanced reactors, AI-enabled tools, digital engineering platforms, grid reliability concerns, and aggressive decarbonization goals are all pushing the industry—and regulators—to move faster and think differently.
T. J. Pashos, H. E. Williamson, R. N. Duncan
Nuclear Technology | Volume 2 | Number 6 | December 1966 | Pages 510-514
Technical Paper and Note | doi.org/10.13182/NT66-A27547
Articles are hosted by Taylor and Francis Online.
Since the initiation of fuel irradiations in the Vallecitos Boiling Water Reactor in 1957, rod-type fuel elements have been irradiated in an increasing number of boiling-water reactors. The most extensive experience has been obtained with Zirealoy-2 clad, UO2 pellet-type fuel rods. Somewhat less experience has been obtained with other fuel forms such as ThO2 -UO2 pellets and UO2 compacted powder and with other clad materials such as Zircaloy-4, Type 304 stainless steel, Incoloy-800, and Inconel-600. Based on the highly successful performance of many thousands of fuel segments operating at typical commercial power-reactor thermal ratings, UO2 rods clad with Zircaloy-2 have proven to be the most reliable and economical fuel elements for boiling-water reactor applications.
