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논문 기본 정보

자료유형
학술저널
저자정보
Mikhail Slobodyan (Institute of Strength Physics and Materials Science SB RAS Russia)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제4호
발행연도
2021.4
수록면
1,049 - 1,078 (30page)
DOI
https://doi.org/10.1016/j.net.2020.10.005

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The review summarizes the published data on the widely applied electron-beam, laser-beam, as well asresistance upset, projection, and spot welding of zirconium alloys for nuclear applications. It provides theresults of their analysis to identify common patterns in this area. Great attention has been paid to thequality requirements, the edge preparation, up-to-date equipment, process parameters, as well as postweldtreatment and processing. Also, quality control and weld repair methods have been mentioned. Finally, conclusions have been drawn about a significant gap between the capabilities of advancedwelding equipment to control the microstructure and, accordingly, the properties of welded joints of thezirconium alloys and existing algorithms that enable to realize them in the nuclear industry. Consideringthe ever-increasing demands on the high-burnup accident tolerant nuclear fuel assemblies, great effortsshould be focused on the improving the welding procedures by implementing predefined heat inputcycles. However, a lot of research is required, since the number of possible combinations of the zirconiumalloys, designs and dimensions of the joints dramatically exceeds the quantity of published results on theeffect of the welding parameters on the properties of the welds.

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