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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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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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Seconds Matter: Rethinking Nuclear Facility Security for the Modern Threat Landscape
In today’s rapidly evolving threat environment, nuclear facilities must prioritize speed and precision in their security responses—because in critical moments, every second counts. An early warning system serves as a vital layer of defense, enabling real-time detection of potential intrusions or anomalies before they escalate into full-blown incidents. By providing immediate alerts and actionable intelligence, these systems empower security personnel to respond decisively, minimizing risk to infrastructure, personnel, and the public. The ability to anticipate and intercept threats at the earliest possible stage not only enhances operational resilience but also reinforces public trust in the safety of nuclear operations. Investing in such proactive technologies is no longer optional—it’s essential for modern nuclear security.
J. L. Kaae, D. W. Stevens, C. S. Luby
Nuclear Technology | Volume 10 | Number 1 | January 1971 | Pages 44-53
Technical Paper and Note | Fuel | doi.org/10.13182/NT71-A30946
Articles are hosted by Taylor and Francis Online.
Three mathematical models for use in calculating the stresses and displacements in two-, three- , and four-layer pyrolytic carbon and silicon carbide coatings on microspheres of (Th,U)C2 or (Th,U)O2 during reactor service have been previously described. In these models it is assumed that pyrolytic carbon changes dimensions anisotropically and will creep under fast-neutron irradiation, silicon carbide is dimensionally stable and undergoes no creep, and an internal pressure is generated due to gaseous fission products. Comparison of the results predicted by these mathematical models with irradiation tests shows agreement with diametral changes of two-layer fuel particles. Coating failure, presumably due to stress, occurred only in those samples with high calculated stresses.
