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자료유형
학술저널
저자정보
김낙현 (한국원자력연구원) 김종범 (한국원자력연구원) 김성균 (한국원자력연구원)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제5호
발행연도
2021.5
수록면
1,580 - 1,586 (7page)
DOI
https://doi.org/10.1016/j.net.2020.10.021

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The application of induction bending processes to industrial pipe production is increasing. The inductionbending process has the effect of reducing the number of inspections and preventing leaks by reducingthe weld of the pipe. For these reasons, efforts have been made to apply an induction bending process tothe pipe of the PGSFR under development in Korea and this is the first attempt in the SFR design. Sincethe PGSFR pipe has a relatively large diameter-to-thickness ratio, it is difficult to fabricate an inductionbending pipe that meets the requirements. In addition, the material properties may change because thepipe heats to a very high temperature during the induction bending process. In this study, P91 pipes werefabricated by induction bending, and the results from analyzing the induction bending process’ applicabilityto the P91 pipe of the PGSFR are examined. The various dimensional measurements of the pipesfabricated by the induction bending process were surveyed to determine whether the requirements ofthe ASME Code were met. The minimum thickness, ovality, and wall buckling measured in the fabricatedpipe met all the requirements. Tensile, impact, and hardness tests at various locations of the fabricatedpipe also satisfied the requirements.

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