Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1569938 | Journal of Nuclear Materials | 2006 | 7 Pages |
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 and 5Â keV, respectively. The retained amount of deuterium in the sample irradiated at 380Â K increased with the ion fluence and was not saturated to fluence of up to 1Â ÃÂ 1023Â D/m2. For the irradiation at 773Â 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 1200Â K in the TDS spectrum. In the lower fluence region (<1Â ÃÂ 1021Â He/m2), the retained helium desorbed mainly at around 1200Â K. With increasing fluence, the amount desorbed at 500Â K increased. Total amount of retained helium in the samples saturated at fluence up to 5Â ÃÂ 1021Â He/m2 and saturation level was 2.7Â ÃÂ 1021Â He/m2.
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Authors
Yuko Hirohata, Tsuyoshi Yamada, Yuji Yamauchi, Tomoaki Hino, Takuya Nagasaka, Takeo Muroga,