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Deuterium retention and desorption behavior of reduced activated ferritic steel with surface damage due to high energy helium ion irradiation

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Title: Deuterium retention and desorption behavior of reduced activated ferritic steel with surface damage due to high energy helium ion irradiation
Authors: Yamauchi, Y. Browse this author →KAKEN DB
Gotoh, K. Browse this author
Nobuta, Y. Browse this author
Hino, T. Browse this author
Suzuki, S. Browse this author
Akiba, M. Browse this author
Keywords: deuterium retention
surface damage
F82H
thermal desorption
Issue Date: Dec-2010
Publisher: Elsevier B.V.
Journal Title: Fusion Engineering and Design
Volume: 85
Issue: 10-12
Start Page: 1838
End Page: 1840
Publisher DOI: 10.1016/j.fusengdes.2010.06.007
Abstract: Reduced activation ferritic-martensitic steel F82H was irradiated with 5 keV helium ions to introduce the surface damage. After the irradiation, the irradiated F82H was continuously exposed to 1.7 keV deuterium ions. The effects of the damages introduced by the helium ion irradiation on deuterium retention and desorption behavior of F82H were investigated. The HD desorption had a peak at around 500 K, which was shifted to the high temperature region when the helium ion fluence increased. The decrease in HDO desorption at the high fluence region was observed. This might be owing to the oxygen depletion on the surface by the sputtering. The amount of retained deuterium of the F82H gradually increased with the helium ion fluence and saturated at 7.2 dpa.
Type: article (author version)
URI: http://hdl.handle.net/2115/47258
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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