Hydrogen Retention in Deposition Layers Formed from Type 316 Stainless Steel

Uchida, Yasuhiro; Katayama, Kazunari; Okamura, T.; Imaoka, K.; Nishikawa, Masabumi; Fukada, Satoshi

doi:10.13182/fst08-a1874

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Preparation Of Metal Deposit1

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Cited by 4 publications

(2 citation statements)

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“…The sputtering device [6] and the experimental procedure [7] have been mentioned in our previous papers. The followings are sputtering-deposition conditions for samples used in deuterium ion irradiation (condition A).…”

Section: Methodsmentioning

confidence: 99%

Temperature dependence of deuterium retention in tungsten deposits by deuterium ion irradiation

Katayama

Uehara

Date

et al. 2015

Journal of Nuclear Materials

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Section: Methodsmentioning

confidence: 99%

Temperature dependence of deuterium retention in tungsten deposits by deuterium ion irradiation

Katayama

Uehara

Date

et al. 2015

Journal of Nuclear Materials

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“…Metal deposits were formed on the SS316 substrates by hydrogen plasma sputtering by using the capacitively coupled radio frequency (RF) sputtering device which has been shown in the previous paper [11]. A type 316 stainless steel plate, 50 mm × 50 mm in size, 1 mm in thickness and 99.5% in purity, (Nilaco Co.), was mounted on the RF electrode as a target.…”

Section: Preparation Of Metal Depositmentioning

confidence: 99%

Carbon and Hydrogen Accumulation on Exhaust Duct in LHD

Katayama

Ashikawa

Uehara

et al. 2015

Plasma and Fusion Research

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To consider carbon balance and hydrogen isotope balance in the fuel cycle system and tritium safety management of a fusion reactor, the evaluation of carbon and hydrogen isotope accumulation not only in the vacuum vessel but also in the exhaust system is necessary. In the present work, type 316 stainless steel substrates were installed at 4 locations in the exhaust duct of the Large Helical Device (LHD) during the 13th experimental campaign. By using the combustion method, the amount of carbon slightly adhering to the substrates, which cannot be measured by electric microbalances, was successfully quantified to be 2 µg/cm 2 . The hydrogen release behavior from the substrate was consistent with that from carbon deposition layer formed by hydrogen plasma sputtering. H/C ratio on the substrate was estimated to be about 1-1.5. Hydrogen incorporated into the metal deposit formed from type 316 stainless steel in the sputtering-deposition device in the laboratory can remain in the deposit even under high vacuum condition in the exhaust duct for a long period.

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