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Deuterium and helium retentions of V-4Cr-4Ti alloy used as first wall of breeding blanket in a fusion reactor

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Title: Deuterium and helium retentions of V-4Cr-4Ti alloy used as first wall of breeding blanket in a fusion reactor
Authors: Yuko, Hirohata Browse this author
Tsuyoshi, Yamada Browse this author
Yuji, Yamauchi Browse this author →KAKEN DB
Tomoaki, Hino Browse this author
Takuya, Nagasaka Browse this author
Takeo, Muroga Browse this author
Issue Date: Jan-2006
Publisher: Elsevier B.V.
Journal Title: Journal of Nuclear Materials
Volume: 348
Issue: 1-2
Start Page: 33
End Page: 39
Publisher DOI: 10.1016/j.jnucmat.2005.08.005
Abstract: The deuterium and helium retention properties of V-4Cr-4Ti alloy were investigated by thermal desorption spectroscopy (TDS). Ion energies of deuterium and helium were taken at 1.7 keV and 5 keV, respectively. The retained amount of deuterium in the sample irradiated at 380 K increased with the ion fluence and was not saturated to fluence of up to 1×1023 D/m2. For the irradiation at 773 K, 0.1% of implanted deuterium was retained at the highest fluence. For the helium ion irradiation at room temperature, three groups of desorption peaks appeared at around 500, 850, and 1200 K in the TDS spectrum. In the lower fluence region (<1×1021 He/m2), the retained helium desorbed mainly at around 1200 K. With increasing fluence, the amount desorbed at 500 K increased. Total amount of retained helium in the samples saturated at fluence up to 5×1021 He/m2 and saturation level was 2.7×1021 He/m2.
Type: article (author version)
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)

Submitter: 廣畑 優子

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