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The Education, Training & Workforce Development Division provides communication among the academic, industrial, and governmental communities through the exchange of views and information on matters related to education, training and workforce development in nuclear and radiological science, engineering, and technology. Industry leaders, education and training professionals, and interested students work together through Society-sponsored meetings and publications, to enrich their professional development, to educate the general public, and to advance nuclear and radiological science and engineering.
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June 16–19, 2024
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Fusion Science and Technology
Latest News
Securing the advanced reactor fleet
Physical protection accounts for a significant portion of a nuclear power plant’s operational costs. As the U.S. moves toward smaller and safer advanced reactors, similar protection strategies could prove cost prohibitive. For tomorrow’s small modular reactors and microreactors, security costs must remain appropriate to the size of the reactor for economical operation.
Mike A. Salazar, Robert Hermes, Robert W. Margevicius
Fusion Science and Technology | Volume 35 | Number 2 | March 1999 | Pages 119-122
Technical Paper | doi.org/10.13182/FST99-A11963913
Articles are hosted by Taylor and Francis Online.
Hollow spherical targets are frequently fabricated by the joining of two adhesively bonded hemispheres. Other materials used for Intertial Confinement Fusion (ICF) experiments, including aluminum, stainless steel, sapphire, and various plastics, are also bonded using adhesives.
This paper presents the mechanical testing results of Dexter-Hysol EA9330. The base metals were either an aluminum 6061-T6 or beryllium S200D. The uniaxial tensile (from room to liquid helium temperatures), lap shear, and creep properties of the adhesive under consideration were evaluated. We found that the highest lap shear strength was obtained when the test panel was assembled with fresh adhesive (time = 0 min.) and degraded to about 77% of that value in 120 minutes. Butt tensile strength increased from about 8 ksi (1 ksi = 1000 lbs/in2 = 6.90 MPa) at room temperature to about 19 ksi at −269°C for both the aluminum and beryllium base metals. The lap shear strength decreased from about 5 ksi at room temperature to about 3 ksi at cryogenic temperatures. Creep tests in both butt tensile and lap shear configurations demonstrated a very narrow stress level for which the time to failure decreased from over 720 hours to less than 20.
Finally, we found that the surface treatment is critical to achieving the highest strength adhesive bonds. Some inconclusive but interesting test data is presented opening the way for further investigation.