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The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
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2021 Student Conference
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A day in the life of the nuclear community
The November issue of Nuclear News is focused on the individuals who make up our nuclear community.
We invited a small group of those individuals to tell us about their day-to-day work in some of the many occupations and applications of nuclear science and technology, and they responded generously. They were ready to tell us about the part they play, together with colleagues and team members, in supplying clean energy, advancing technology, protecting safety and health, and exploring fundamental science.
In these pages, we see a community that can celebrate both those workdays that record progress moving at a steady pace and the exceptional days when a goal is reached, a briefing is delivered, a contract goes through, a discovery is made, or an unforeseen challenge is overcome.
The Nuclear News staff hopes that you enjoy meeting these members of our community—or maybe get reacquainted with friends—through their words and photos.
Jordan A. Evans, Scott A. Anderson, Eric J. Faierson, Delia Perez-Nunez, Sean M. McDeavitt
Nuclear Technology | Volume 205 | Number 4 | April 2019 | Pages 563-581
Technical Paper | dx.doi.org/10.1080/00295450.2018.1502001
Articles are hosted by Taylor and Francis Online.
In this experiment, Type 316L stainless steel rods were fabricated through laser additive manufacturing (LAM) in three different orientations, and microstructural and mechanical changes induced by high dose ion irradiation were characterized based on orientation. The rods were irradiated with Fe2+ self-ions to a peak dose of 80 displacements per atom at 475°C. Results were compared to concurrently irradiated conventionally manufactured control specimens. Electron backscatter diffraction of the rods yielded statistically relevant information related to grain microstructure and texture. Transmission electron microscopy revealed a high density of elongated radiation-produced defects in the LAM specimens that were aligned with the major axes of the defects parallel to the build direction. Mechanical testing of LAM rods revealed anisotropic radiation-induced hardening, where hardening is greatest perpendicular to the build direction and least parallel to the build direction. Several radiation-induced hardening phenomena are considered that contribute to the observed anisotropic strengthening.
