Effects of ELMs and disruptions on ITER divertor armour materials
G. Federici
1
,
A. Zhitlukhin
2
,
N. Arkhipov
2
,
R Giniyatulin
3
,
N Klimov
2
,
I Landman
4
,
V. Podkovyrov
2
,
V Safronov
2
,
A. Loarte
5
,
M Merola
5
1
ITER IT Garching Working Site, Boltzmannstr. 2, D-85748 Garching, Germany
|
3
Efremov Institute, 196641 St. Petersburg, Russia
|
5
EFDA-CSU Garching, Boltzmannstr. 2, D-85748 Garching, Germany
|
Publication type: Journal Article
Publication date: 2005-03-01
scimago Q1
wos Q1
SJR: 0.984
CiteScore: 6.2
Impact factor: 3.2
ISSN: 00223115, 18734820
General Materials Science
Nuclear and High Energy Physics
Nuclear Energy and Engineering
Abstract
This paper describes the response of plasma facing components manufactured with tungsten (macro-brush) and CFC to energy loads characteristic of Type I ELMs and disruptions in ITER, in experiments conducted (under an EU/RF collaboration) in two plasma guns (QSPA and MK-200UG) at the TRINITI institute. Targets were exposed to a series of repetitive pulses in QSPA with heat loads in a range of 1-2 MJ/m 2 lasting 0.5 ms. Moderate tungsten erosion, of less than 0.2 μm per pulse, was found for loads of ∼1.5 MJ/m 2 , consistent with ELM erosion being determined by tungsten evaporation and not by melt layer displacement. At energy densities of ∼1.8 MJ/m 2 a sharp growth of tungsten erosion was measured together with intense droplet ejection. MK-200UG experiments were focused on studying mainly vapor plasma production and impurity transport during ELMs. The conditions for removal of thin metal deposits from a carbon substrate were characterized.
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Federici G. et al. Effects of ELMs and disruptions on ITER divertor armour materials // Journal of Nuclear Materials. 2005. Vol. 337-339. pp. 684-690.
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Federici G., Zhitlukhin A., Arkhipov N., Giniyatulin R., Klimov N., Landman I., Podkovyrov V., Safronov V., Loarte A., Merola M. Effects of ELMs and disruptions on ITER divertor armour materials // Journal of Nuclear Materials. 2005. Vol. 337-339. pp. 684-690.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1016/j.jnucmat.2004.10.149
UR - https://doi.org/10.1016/j.jnucmat.2004.10.149
TI - Effects of ELMs and disruptions on ITER divertor armour materials
T2 - Journal of Nuclear Materials
AU - Federici, G.
AU - Zhitlukhin, A.
AU - Arkhipov, N.
AU - Giniyatulin, R
AU - Klimov, N
AU - Landman, I
AU - Podkovyrov, V.
AU - Safronov, V
AU - Loarte, A.
AU - Merola, M
PY - 2005
DA - 2005/03/01
PB - Elsevier
SP - 684-690
VL - 337-339
SN - 0022-3115
SN - 1873-4820
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2005_Federici,
author = {G. Federici and A. Zhitlukhin and N. Arkhipov and R Giniyatulin and N Klimov and I Landman and V. Podkovyrov and V Safronov and A. Loarte and M Merola},
title = {Effects of ELMs and disruptions on ITER divertor armour materials},
journal = {Journal of Nuclear Materials},
year = {2005},
volume = {337-339},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.jnucmat.2004.10.149},
pages = {684--690},
doi = {10.1016/j.jnucmat.2004.10.149}
}