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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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Fusion Science and Technology
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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.
Xiong Yifu, Song Jiangfeng, Luo Deli, Lei Qianghua, Chen Chang’an
Fusion Science and Technology | Volume 67 | Number 3 | April 2015 | Pages 647-649
Proceedings of TRITIUM 2013 | doi.org/10.13182/FST14-T101
Articles are hosted by Taylor and Francis Online.
TiN+TiC+TiN multiple films are deposited on the surface of 1Cr18Ni9Ti stainless steel by ion-beam assisted deposition technology. The characteristics of films are tested by XPS, SEM and XRD, which showed that the film are compact and uniform with a thickness of about 15μm, and have a good adherence with the substrate below 773 K. The diffraction peaks in the XRD patterns for TiC and TiN are broadened, implying that the multiple films are deposited on the surface of 1Cr18Ni9Ti stainless steel. Meanwhile, the C-H bonded CH4-appears in the infrared spectra of multiple films, suggesting that the CH4- is in a static state, so hydrogen atom cannot migrate from the site bonded with carbon to a neighboring site. The deuterium permeability in 1Cr18Ni9Ti stainless steel coated with multiple films is 2-3 orders of magnitude lower than that in pure 1Cr18Ni9Ti stainless steel substrate from 473 K to 773 K.
