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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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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Empowering the next generation: ANS’s newest book focuses on careers in nuclear energy
A new career guide for the nuclear energy industry is now available: The Nuclear Empowered Workforce by Earnestine Johnson. Drawing on more than 30 years of experience across 16 nuclear facilities, Johnson offers a practical, insightful look into some of the many career paths available in commercial nuclear power. To mark the release, Johnson sat down with Nuclear News for a wide-ranging conversation about her career, her motivation for writing the book, and her advice for the next generation of nuclear professionals.
When Johnson began her career at engineering services company Stone & Webster, she entered a field still reeling from the effects of the Three Mile Island incident in 1979, nearly 15 years earlier. Her hiring cohort was the first group of new engineering graduates the company had brought on since TMI, a reflection of the industry-wide pause in nuclear construction. Her first long-term assignment—at the Millstone site in Waterford, Conn., helping resolve design issues stemming from TMI—marked the beginning of a long and varied career that spanned positions across the country.
Faten N. Al Zubaidi, Kyle L. Walton, Robert V. Tompson, Tushar K. Ghosh, Sudarshan K. Loyalka
Nuclear Technology | Volume 205 | Number 7 | July 2019 | Pages 951-963
Regular Technical Paper | doi.org/10.1080/00295450.2019.1573618
Articles are hosted by Taylor and Francis Online.
The total hemispherical emissivity of A508/A533B alloy steels was measured for conditions of interest in nuclear plant safety. The effect of long-term oxidation on the emissivity of A508/A533B was simulated by oxidizing test samples using a three-zone tube furnace at temperatures of 573 and 773 K. An apparatus built and operated in compliance with the American Society for Testing and Materials C835-06 testing standard was used to measure the total hemispherical emissivity for the following surface conditions: (1) mirror-like polished (unoxidized), (2) polished surface oxidized in air, (3) wire-cut electrical discharge machining (EDM), and (4) EDM-cut surface oxidized in air. The emissivity of polished (unoxidized) A508/A533B strips varied from 0.16 to 0.24 within the temperature range from 552 to 1180 K. Increasing the oxidation time of polished A508/A533B from 10 to 100 h at 573 K provided slight increase in emissivity, whereas increasing the oxidation temperature from 573 to 773 K for a 10-h duration provided over a threefold increase in emissivity. EDM-cut surfaces had an emissivity of 0.51 at 464 K to 0. 54 at 845 K due to the inherent roughness and the presence of a recast layer and possible oxidation layer. Oxidizing EDM-cut A508/A533B in air at 573 K increased the emissivity compared to the unoxidized EDM-cut A508/A533B, but no additional increase in emissivity occurred from 500- to 1000-h durations. Further oxidation of A508/A533B oxidized at 573 K for 1000 h for an additional 500 h at 773 K resulted in spallation of the oxide layer. The emissivity of the sample with loose oxide removed had similar emissivity for EDM-cut A508/A533B at 537 K.
