Global erosion and deposition patterns in JET with the ITER-like wall

JET-EFDA Contributors

doi:10.1016/j.jnucmat.2015.01.038

Global erosion and deposition patterns in JET with the ITER-like wall

JET-EFDA Contributors

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Abstract

Abstract A set of Be and W tiles removed after the first ITER-like wall campaigns (JET-ILW) from 2011 to 2012 has been analysed. The results indicate that the primary erosion site is in the main chamber (Be) as in previous carbon campaigns (JET-C). In particular the limiters tiles near the mid-plane are eroded probably during the limiter phases of discharges. W is found at low concentrations on all plasma-facing surfaces of the vessel indicating deposition via plasma transport initially from the W divertor and from main chamber W-coated tiles; there are also traces of Mo (used as an interlayer for these coatings). Deposited films in the inner divertor have a layered structure, and every layer is dominated by Be with some W and O content.

Original language	English
Article number	48896
Pages (from-to)	157-161
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	463
DOIs	https://doi.org/10.1016/j.jnucmat.2015.01.038
State	Published - 22 Jul 2015
Externally published	Yes

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10.1016/j.jnucmat.2015.01.038

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@article{cbb687b47dc641858744de2f0b1a143c,

title = "Global erosion and deposition patterns in JET with the ITER-like wall",

abstract = "Abstract A set of Be and W tiles removed after the first ITER-like wall campaigns (JET-ILW) from 2011 to 2012 has been analysed. The results indicate that the primary erosion site is in the main chamber (Be) as in previous carbon campaigns (JET-C). In particular the limiters tiles near the mid-plane are eroded probably during the limiter phases of discharges. W is found at low concentrations on all plasma-facing surfaces of the vessel indicating deposition via plasma transport initially from the W divertor and from main chamber W-coated tiles; there are also traces of Mo (used as an interlayer for these coatings). Deposited films in the inner divertor have a layered structure, and every layer is dominated by Be with some W and O content.",

author = "{JET-EFDA Contributors} and A. Baron-Wiechec and A. Widdowson and E. Alves and Ayres, {C. F.} and Barradas, {N. P.} and S. Brezinsek and Coad, {J. P.} and N. Catarino and K. Heinola and J. Likonen and Matthews, {G. F.} and M. Mayer and P. Petersson and M. Rubel and {Van Renterghem}, W. and I. Uytdenhouwen",

note = "Publisher Copyright: {\textcopyright} 2015 EURATOM.",

year = "2015",

month = jul,

day = "22",

doi = "10.1016/j.jnucmat.2015.01.038",

language = "英语",

volume = "463",

pages = "157--161",

journal = "Journal of Nuclear Materials",

issn = "0022-3115",

publisher = "Elsevier",

}

TY - JOUR

T1 - Global erosion and deposition patterns in JET with the ITER-like wall

AU - JET-EFDA Contributors

AU - Baron-Wiechec, A.

AU - Widdowson, A.

AU - Alves, E.

AU - Ayres, C. F.

AU - Barradas, N. P.

AU - Brezinsek, S.

AU - Coad, J. P.

AU - Catarino, N.

AU - Heinola, K.

AU - Likonen, J.

AU - Matthews, G. F.

AU - Mayer, M.

AU - Petersson, P.

AU - Rubel, M.

AU - Van Renterghem, W.

AU - Uytdenhouwen, I.

PY - 2015/7/22

Y1 - 2015/7/22

N2 - Abstract A set of Be and W tiles removed after the first ITER-like wall campaigns (JET-ILW) from 2011 to 2012 has been analysed. The results indicate that the primary erosion site is in the main chamber (Be) as in previous carbon campaigns (JET-C). In particular the limiters tiles near the mid-plane are eroded probably during the limiter phases of discharges. W is found at low concentrations on all plasma-facing surfaces of the vessel indicating deposition via plasma transport initially from the W divertor and from main chamber W-coated tiles; there are also traces of Mo (used as an interlayer for these coatings). Deposited films in the inner divertor have a layered structure, and every layer is dominated by Be with some W and O content.

AB - Abstract A set of Be and W tiles removed after the first ITER-like wall campaigns (JET-ILW) from 2011 to 2012 has been analysed. The results indicate that the primary erosion site is in the main chamber (Be) as in previous carbon campaigns (JET-C). In particular the limiters tiles near the mid-plane are eroded probably during the limiter phases of discharges. W is found at low concentrations on all plasma-facing surfaces of the vessel indicating deposition via plasma transport initially from the W divertor and from main chamber W-coated tiles; there are also traces of Mo (used as an interlayer for these coatings). Deposited films in the inner divertor have a layered structure, and every layer is dominated by Be with some W and O content.

UR - http://www.scopus.com/inward/record.url?scp=84937738794&partnerID=8YFLogxK

U2 - 10.1016/j.jnucmat.2015.01.038

DO - 10.1016/j.jnucmat.2015.01.038

M3 - 文章

AN - SCOPUS:84937738794

SN - 0022-3115

VL - 463

SP - 157

EP - 161

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

M1 - 48896

ER -

Global erosion and deposition patterns in JET with the ITER-like wall

Abstract

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