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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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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.
M. Kangilaski, F. R. Shober
Nuclear Technology | Volume 5 | Number 4 | October 1968 | Pages 283-285
Technical Paper and Note | Technical Note | doi.org/10.13182/NT68-A28032
Articles are hosted by Taylor and Francis Online.
Prediction of the room-temperature fatigue life of Type-347 stainless steel, irradiated to 5.5 × 1021 and 11 × 1021 n/cm2, was attempted from tensile tests and the use of Manson's relationship. It was found that the total strain vs cycles-to-failure for irradiated Type-347 stainless steel can be predicted reasonably well for total strains of 1 to 2% at both levels of irradiation. However, the predicted fatigue lives were conservative for total strains that are <1% for material irradiated to a fast fluence of 11 × 1021 n/cm2. Not enough experimental data points were available to correlate the measured fatigue life with predicted fatigue life at total strains of <1% for stainless steel irradiated to a fast fluence of 5.5 × 1021 n/cm2.
