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Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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Fusion Science and Technology
Latest News
Christmas Night
Twas the night before Christmas when all through the houseNo electrons were flowing through even my mouse.
All devices were plugged in by the chimney with careWith the hope that St. Nikola Tesla would share.
H. L. Wilkens, J. Gunther, M. P. Mauldin, A. Nikroo, J. R. Wall, D. R. Wall, R. J. Wallace
Fusion Science and Technology | Volume 49 | Number 4 | May 2006 | Pages 846-850
Technical Paper | Target Fabrication | doi.org/10.13182/FST06-A1212
Articles are hosted by Taylor and Francis Online.
The process of making multi-layered depleted uranium (DU) and gold "cocktail" hohlraums is being developed in a sputter-coater designed and assembled at General Atomics. These elements have been chosen to increase the hohlraum wall albedo, targeting the composition that results in the highest hohlraum efficiency. Rather than co-sputtering the cocktail constituents as was done previously, the approach taken in this work is to sputter alternating multiple thin layers of DU and gold. The intended outcome of creating a multi-layered structure is to encapsulate the DU in gold, thus reducing or perhaps preventing rapid oxidation of uranium, a known problem in the co-sputtered materials. Residual stress in coatings has been reduced to sufficiently low levels by optimizing deposition pressure allowing fabrication of free-standing cylinders and foils. Characterization of this type of sandwich material is difficult due to the fact that the cocktail region consists of buried interfaces, though promising results from Auger depth profiling show that the materials have sufficiently low oxygen content (4 at. %) as well as the targeted composition.