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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.
A. H. Wahyono, E. G. Lovell
Fusion Science and Technology | Volume 8 | Number 1 | July 1985 | Pages 1856-1860
Inertial Confinement Fusion Reactor | Proceedings of the Sixth Topical Meeting on the Technology of Fusion Energy (San Francisco, California, March 3-7, 1985) | doi.org/10.13182/FST85-A40031
Articles are hosted by Taylor and Francis Online.
ICF dry wall components of high temperature materials are analyzed for temperature response, thermal stress and mechanical stress from induced vibration. The effects of temperature-dependent conductivity and elasticity are assessed for components subjected to sequential heat flux pulses. Graphite, unirradiated and irradiated silcon carbide are considered. It is shown that since graphite has a negative conductivity change and positive modulus change with increasing temperature, the difference between the variable and constant property solutions for stress can be significant, particularly for smaller pulse widths. Such differences are not as great for silicon carbide due to a decreasing modulus with increasing temperature.
