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Synergistic Effect of He and H on the Surface Swelling of Ion-implanted Ti/Ta-added Reduced Activation Ferritic/Martensitic Steel for Fusion Reactors
- Authors
- Kim, Sangeun; Jin, Hyung-Ha; Kim, Hyeongchul; Heo, Jungwoo; Cho, Seong-Yong; Shin, Chansun; Moon, Joonoh; Lee, Chang-Hoon
- Issue Date
- Jul-2020
- Publisher
- 한국물리학회
- Keywords
- Helium bubble; RAFM steel; Surface swelling; Synergistic effects
- Citation
- Journal of the Korean Physical Society, v.77, no.1, pp 32 - 37
- Pages
- 6
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 77
- Number
- 1
- Start Page
- 32
- End Page
- 37
- ISSN
- 0374-4884
1976-8524
- Abstract
- Surface swelling caused by He implantation was studied for newly-developed Ti/Ta-added reduced-activation ferritic/martensitic (RAFM) steels. Post-implantation annealing at 623 K for 2 h of He-implanted RAFM-steel samples led to surface-step formation because of surface swelling induced by He bubbles formed inside the samples. Pre-implantation of a small number of H ions was found to cause an increase in the surface-step height, which was not expected. A possible mechanism for this synergistic effect of pre-implanted H is proposed. © 2020, The Korean Physical Society.
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Related Researcher
- Cho, Seong Yong
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF PHOTONICS AND NANOELECTRONICS)