On the possibility of low-temperature removal of hydrogen isotopes from tungsten in conditions of thermonuclear and plasma facilities

Acceleration of hydrogen isotope trapping and desorption has been observed in the experiments with stainless steel (Activated Surface Penetration - ASP) under irradiation by hydrogen atoms and hydrogen plasma ions with oxygen impurity. ASP is considered in this paper for a method of low-temperature...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-07, Vol.1058 (1), p.12012
Main Authors: Begrambekov, L B, Dovganyuk, S S, Evsin, A E, Kaplevskiy, A S
Format: Article
Language:English
Subjects:
Aluminum
Deuterium
Hydrogen
Hydrogen atoms
Hydrogen isotopes
Hydrogen plasma
Impurities
Irradiation
Isotopes
Low temperature
Oxygen
Physics
Plasma
Stainless steels
Tungsten isotopes
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Summary:Acceleration of hydrogen isotope trapping and desorption has been observed in the experiments with stainless steel (Activated Surface Penetration - ASP) under irradiation by hydrogen atoms and hydrogen plasma ions with oxygen impurity. ASP is considered in this paper for a method of low-temperature hydrogen isotope removal from tungsten and aluminum-coated tungsten under irradiation by hydrogen plasma ions with oxygen impurity. It is shown that periodic irradiation by hydrogen plasma ions with oxygen impurity allows preventing accumulation of implanted deuterium ions in tungsten.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1058/1/012012