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Effect of laser and/or electron beam irradiation on void swelling in SUS316L austenitic stainless steel

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Title: Effect of laser and/or electron beam irradiation on void swelling in SUS316L austenitic stainless steel
Authors: Yang, Subing Browse this author
Yang, Zhanbing Browse this author
Wang, Hui Browse this author
Watanabe, Seiichi Browse this author →KAKEN DB
Shibayama, Tamaki Browse this author →KAKEN DB
Keywords: Vacancy
Void swelling
Multi-quantum beam HVEM
Laser-electron dual-beam irradiation
Issue Date: May-2017
Publisher: Elsevier
Journal Title: Journal of nuclear materials
Volume: 488
Start Page: 215
End Page: 221
Publisher DOI: 10.1016/j.jnucmat.2017.03.002
Abstract: Large amounts of void swelling still limit the application of austenitic stainless steels in nuclear reactors due to radiation-induced lattice point defects. In this study, laser and/or beam irradiation was conducted in a temperature range of 573-773 K to explore the suppression of void swelling. The results show that during sequential laser-electron beam irradiation, the void nucleation is enhanced because of the vacancy clusters and void nuclei formed under pre-laser irradiation, causing greater void swelling than single electron beam irradiation. However, simultaneous laser-electron dual-beam irradiation exhibits an obvious suppression effect on void swelling due to the enhanced recombination between interstitials and vacancies in the temperature range of 573-773 K; especially at 723 K, the swelling under simultaneous dual-beam irradiation is 0.031% which is only 22% of the swelling under electron beam irradiation (0.137%). These results provide new insight into the suppression of void swelling during irradiation.
Rights: © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article (author version)
URI: http://hdl.handle.net/2115/73813
Appears in Collections:エネルギー・マテリアル融合領域研究センター (Center for Advanced Research of Energy and Material) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柴山 環樹

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