Nuclear Regulatory Commission

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MatLib 1.2: Nuclear Material Properties Library
Post, August 7, 2026 • (Pacific Northwest National Laboratory, Nuclear Regulatory Commission) The U.S. Nuclear Regulatory Commission (NRC) uses the computer code Fuel Analysis under Steady-state and Transients (FAST) to model steady-state and transient fuel behavior to support regulatory decisions. FAST relies on a material properties library (MatLib) that contains the thermal and mechanical properties...