科技报告详细信息
Fuel Performance Experiments and Modeling: Fission Gas Bubble Nucleation and Growth in Alloy Nuclear Fuels.
McDeavitt, S. M. ; Goldner, J. ; Marschman, S.
Technical Information Center Oak Ridge Tennessee
关键词: Nuclear fuels;    Bubbles;    Alloys;    Fast reactors;    Fuel cycle;   
RP-ID  :  DE141154735
学科分类:工程和技术(综合)
美国|英语
来源: National Technical Reports Library
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【 摘 要 】

This project had the following objectives: 1. Develop and customize in situ ion beam analysis tools to observe and characterize the nucleation and growth of gas bubbles in advanced U-TRU-Zr alloy fuel materials. 2. Quantify and model the fundamental phenomena relevant to fission gas induced swelling in advanced U-TRU-Zr alloy fuel materials. 3. Validate and benchmark the new multi-scale fuel swelling models using critical experiments performed using new in situ ion beam methods and post-test analysis. To achieve this objective, a comprehensive strategy is being implemented to provide insight and validation for the fundamental models that will enable multi-scale fuel performance predictions from first principles. The development experiments will focus on fission gas bubble nucleation and swelling in uranium-zirconium alloys containing transuranic (TRUs); however, the fundamental models developed for diffusion and fission gas mobility in the various phases present in U-TRU-Zr nuclear fuels will enable the modeling of other critical fuel performance phenomena in the future such as creep, component redistribution, and fuel-cladding mechanical or chemical interactions.

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