Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/54385
Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Fizika / Physics (N002)
Author(s): Pranevičius, Liudvikas;Pranevičius, Liudas;Martinavičius, Andrius;Kanapickas, Arvydas;Templier, Claude
Title: Studies of carbon behavior in tungsten under carbon and hydrogen mixed irradiation
Is part of: Vacuum. Oxford : Elsevier Ltd., 2009, Vol. 83, suppl. 1
Extent: p. 45-50
Date: 2009
Keywords: Erosion;Tungsten;Carbon;Plasma
Abstract: The erosion of W coatings with the different content of C was investigated in Ar and Ar + H2 plasmas. The enhanced erosion was registered in Ar + H2 plasma for coatings containing 40 at.% of C and more, which might be owing to chemical erosion of carbon. The erosion kinetics was analyzed together with the studies of coatings microstructure, phase composition and Vicker hardness properties. The C distribution profiles in W were investigated in dependence on the redeposition rate of sputtered C and simultaneous 0.3 keV Ar+ ion irradiation. It is shown that C penetration depth depends on the coverage of W by C during ion irradiation. Deep C penetration was registered when W was partially covered by redeposited carbon. The computer simulation was used to extrapolate obtained results to experimental investigations performed by Ueda Y, Fukumoto M, Sawamura I, Sakizono D, Shimada T, Nishikawa M. [Fusion Eng Des 2006;81:233–9]. It is revealed that the ballistic relocation of implanted C atoms is the dominant process which explains the deep penetration of C and formation of WC compound in the near-surface region of W
Internet: https://doi.org/10.1016/j.vacuum.2009.01.019
Affiliation(s): Fizikos katedra
Lietuvos energetikos institutas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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