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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.
Zvi Shkedi, Robert C. McDonald, John J. Breen, Stephen J. Maguire, Joe Veranth
Fusion Science and Technology | Volume 28 | Number 4 | November 1995 | Pages 1720-1731
Technical Paper | Electrolytic Device | doi.org/10.13182/FST95-A30436
Articles are hosted by Taylor and Francis Online.
Apparent excess heat is observed in light water electrolytic cells containing a variety of nickel cathodes, a platinum anode, and an electrolyte of K2CO3 in H2O. High-accuracy calorimetric measurements show apparent excess heat in the range of 15 to 37% of input power if a 100% Faraday efficiency is assumed for H2 and O2 gas release. The H2 and O2 gases released during electrolysis are recombined in a vessel external to the cell, and the quantity of recombined H2O is compared with the quantity of H2O expected from 100% efficient electrolysis. The measured Faraday efficiency is shown to be significantly <100%, and conventional chemistry can account for the entire amount of observed apparent excess heat to within an accuracy of better than 0.5%.
