Dependence of the erosion of graphite on flux density for high-temperature irradiation by hydrogen ions

In this paper, a dependence of the erosion of graphite under a high energy ion flux at temperature of 2050°C on the ion dose is investigated. It is shown that, at ion flux densitiy of 1.42×1022 ion/m2s, irradiation stimulates diffusion processes that lead to the removal of carbon atoms from the bulk...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1396 (1), p.12035
Main Authors: Puntakov, N A, Begrambekov, L B, Grunin, A V, Dolganov, G D
Format: Article
Language:English
Subjects:
Diffusion
Flux density
Graphite
High temperature
Hydrogen ions
Ion flux
Irradiation
Physics
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Summary:In this paper, a dependence of the erosion of graphite under a high energy ion flux at temperature of 2050°C on the ion dose is investigated. It is shown that, at ion flux densitiy of 1.42×1022 ion/m2s, irradiation stimulates diffusion processes that lead to the removal of carbon atoms from the bulk of the sample, leading to the formation of a porous layer, whereas, for ion flux density of 1.4×1020 ion/m2s, no such layer is formed.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1396/1/012035