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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Powering the future: How the DOE is fueling nuclear fuel cycle research and development
As global interest in nuclear energy surges, the United States must remain at the forefront of research and development to ensure national energy security, advance nuclear technologies, and promote international cooperation on safety and nonproliferation. A crucial step in achieving this is analyzing how funding and resources are allocated to better understand how to direct future research and development. The Department of Energy has spearheaded this effort by funding hundreds of research projects across the country through the Nuclear Energy University Program (NEUP). This initiative has empowered dozens of universities to collaborate toward a nuclear-friendly future.
William Primak
Nuclear Science and Engineering | Volume 80 | Number 4 | April 1982 | Pages 689-699
Technical Paper | doi.org/10.13182/NSE82-A18978
Articles are hosted by Taylor and Francis Online.
A short ion bombardment greatly increases the hot saline etching or leaching of silicate glasses. The effect was observed for xenon, argon, neon, helium, and deuterium ion bombardment. From the relative values of the effect produced by the several ions, it was demonstrated that the effect is associated with the hot secondaries. The hot saline can cause the complete removal of material, thus producing a depression of an irradiated area, which was measured interferometrically, or it may cause a leaching of the cationic content of the glass and leave a silaceous residual film, which was studied by obtaining its spectral reflectivity. Other glasses may behave in an intermediate manner leading to some depression and some film residue. The glasses studied were soda-lime glass, light barium crown (28% BaO), and two facsimile radioactive waste storage glasses. The first two showed the enhanced etching, the first waste storage glass a tenacious film, and the second waste storage glass showed the intermediate behavior, some etching, and some film residue. The enhancement of the etching rate of the light barium crown glass was calculated as some fivefold, for the soda-lime glass about elevenfold. Enhancement of the leaching rate of the first waste storage glass was ∼2½ for helium ion bombardment and over 3½ for xenon or neon ion bombardment.