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Latest News
Colin Judge: Testing structural materials in Idaho’s newest hot cell facility
Idaho National Laboratory’s newest facility—the Sample Preparation Laboratory (SPL)—sits across the road from the Hot Fuel Examination Facility (HFEF), which started operating in 1975. SPL will host the first new hot cells at INL’s Materials and Fuels Complex (MFC) in 50 years, giving INL researchers and partners new flexibility to test the structural properties of irradiated materials fresh from the Advanced Test Reactor (ATR) or from a partner’s facility.
Materials meant to withstand extreme conditions in fission or fusion power plants must be tested under similar conditions and pushed past their breaking points so performance and limitations can be understood and improved. Once irradiated, materials samples can be cut down to size in SPL and packaged for testing in other facilities at INL or other national laboratories, commercial labs, or universities. But they can also be subjected to extreme thermal or corrosive conditions and mechanical testing right in SPL, explains Colin Judge, who, as INL’s division director for nuclear materials performance, oversees SPL and other facilities at the MFC.
SPL won’t go “hot” until January 2026, but Judge spoke with NN staff writer Susan Gallier about its capabilities as his team was moving instruments into the new facility.
K. A. Moreno, H. W. Xu, A. Nikroo, H. Huang, J. Fong, J. E. Knipping, J. L. Kaae, E. M. Giraldez
Fusion Science and Technology | Volume 51 | Number 4 | May 2007 | Pages 581-585
Technical Paper | doi.org/10.13182/FST07-A1448
Articles are hosted by Taylor and Francis Online.
Rayleigh-Taylor experiments have been designed for the OMEGA laser facility at the Laboratory for Laser Energetics (LLE) of the University of Rochester to explore perturbations during implosion of this ablator. For the experiment to be relevant, the beryllium copper flat used as the target must be similar in chemical makeup and morphology to the NIF ignition target. To visualize the perturbation growth, the flats were fabricated with sinusoidal perturbations on one side of a wavelength of 50 m and amplitude of 0.25 m. The flats were doped with more copper than required in the NIF ablator specification to increase the x-ray optical depth during burn through. These flats were successfully fabricated using a mold technique. This technique, as well as the characterization techniques used to verify the chemical makeup and thicknesses, will be described in this paper.
