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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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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Deep Space: The new frontier of radiation controls
In commercial nuclear power, there has always been a deliberate tension between the regulator and the utility owner. The regulator fundamentally exists to protect the worker, and the utility, to make a profit. It is a win-win balance.
From the U.S. nuclear industry has emerged a brilliantly successful occupational nuclear safety record—largely the result of an ALARA (as low as reasonably achievable) process that has driven exposure rates down to what only a decade ago would have been considered unthinkable. In the U.S. nuclear industry, the system has accomplished an excellent, nearly seamless process that succeeds to the benefit of both employee and utility owner.
Paul C. S. WU
Nuclear Technology | Volume 29 | Number 2 | May 1976 | Pages 215-221
Material | doi.org/10.13182/NT76-A31581
Articles are hosted by Taylor and Francis Online.
The compatibility of Eu2O3, a potential control material for fast reactors, with the prototypic reference cladding alloy, Type 316 stainless steel, for the fast flux test facility and Clinch River Breeder Reactor Plant reactors is characterized at 1093°C. Metallographie examination of the reaction band shows that severe reaction occurred on the surface of the cladding alloy, particularly grain boundary penetration. X-ray diffraction analyses, electron microprobe analyses, and electron dispersive analysis of x rays were employed to identify the reaction product. The results show that the main reaction product is an europium silicate that contains little or no alloying components such as iron, chromium, and nickel of the Type 316 stainless steel. Consequently, it is recommended that low-silicon Type 316 stainless steel should be used for cladding purposes when Eu2O3 is used for neutron absorber in the fast reactors.
