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Causal Analysis of the FASB Uranium Silicide Compact Combustion Event.

机译:FasB铀自杀物紧凑燃烧事件的原因分析。

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摘要

The Fuels and Applied Science Building (FASB) is a Radiological Facility, located at the Materials and Fuels Complex (MFC) at the Idaho National Laboratory (INL), which provides space and resources for the research and development of low enrichment fuel as an alternative for research reactors, spent fuel treatment, nuclear waste research and development, and the conduct of other experimental projects. One of the research projects involves developing accident tolerant fuels utilizing liquid phase sintering of Uranium Silicide (U3Si2), unreacted depleted Uranium (U), and Silicon (Si). This process involves combining powder size constituents of U3Sh, U, and Si, and then using a press to make what is referred to as a green compact. All powder handling and compacting is performed in the inert atmosphere of the Reduced Enrichment Research and Test Reactors (RERTR) Glovebox compartment C because of the pyrophoric nature of the constituent U3Sh and unreacted depleted Uranium powders. The green compacts, approximately four grams each, are then liquid phase sintered in a furnace under a cover gas to obtain U3Sh with increased density.

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