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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.
Masaru Todoriki, Atsuyuki Suzuki
Nuclear Technology | Volume 120 | Number 1 | October 1997 | Pages 81-85
Technical Note | Enrichment and Reprocessing System | doi.org/10.13182/NT97-A35433
Articles are hosted by Taylor and Francis Online.
The laser-induced thermal lens oscillation process, which can be generated in an organic solution by argon-ion laser irradiation is studied to investigate the possibility of its application for monitoring of tri-n-butyl phosphate (TBP) concentration in nuclear fuel reprocessing. The oscillation process is a nonlinear dynamical system whose states depend on three control parameters: laser beam power, depth from solution surface to a laser beam irradiation position, and concentration of solvent, i.e., TBP. From a series of experiments, it is found that a transition between different states is distinctly related to the concentration of TBP solution. From this result, a new on-line monitoring method of solvent concentration is proposed. This method indicates the technique’s potential as a viable on-line analytical instrument in solvent extraction processes of nuclear fuel reprocessing.
