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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.
C. M. Hollabaugh, L. A. Wahman, R. D. Reiswig, R. W. White, P. Wagner
Nuclear Technology | Volume 35 | Number 2 | September 1977 | Pages 527-535
Advanced and Improved Fuel and Application | Coated Particle Fuel / Fuel | doi.org/10.13182/NT77-A31913
Articles are hosted by Taylor and Francis Online.
The experimentally determined quantitative effects of varying gas mixture composition on the properties of the zirconium carbide (ZrC) deposited on microspheres in a fluidized bed were a decrease in metallic appearance of the ZrC coat, with an increase in the ratio of the hydrocarbon gas to the ZrCl4 and co-deposition of carbon at high hydrocarbon gas concentrations. Increasing the H2 concentration inhibited these effects and permitted the ZrC to be deposited at higher hydrocarbon gas concentrations. Deposits of pure sub-stoichiometric ZrC coats were controllable over a limited concentration range. The ZrC was deposited in a fluidized bed of ThO2 particles at a maximum temperature of ∼1650 K, using gas mixtures of H2, argon, ZrCl4, and CH4 or C3H6. The ZrCl4 flow was controlled using a powder feeder.
