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@ARTICLE{Weckmann:840395,
author = {Weckmann, A. and Petersson, P. and Rubel, M. and
Fortuna-Zaleśna, E. and Zielinski, W. and
Romelczyk-Baishya, B. and Grigore, E. and Ruset, C. and
Kreter, A.},
title = {{A}geing of structural materials in tokamaks: {TEXTOR}
liner study},
journal = {Physica scripta},
volume = {T170},
issn = {1402-4896},
address = {Bristol},
publisher = {IoP Publ.},
reportid = {FZJ-2017-07928},
pages = {014053},
year = {2017},
abstract = {After the final shut-down of the tokamak TEXTOR, all of its
machine parts became accessible for comprehensive studies.
This unique opportunity enabled the study of the Inconel 625
liner by a wide range of methods. The aim was to evaluate
eventual alteration of surface and bulk characteristics from
recessed wall elements that may influence the machine
performance. The surface was covered with stratified layers
consisting mainly of boron, carbon, oxygen, and in some
cases also silicon. Wall conditioning and limiter materials
hence predominantly define deposition on the liner.
Deposited layers on recessed wall elements reach micrometre
thickness within decades, peel off and may contribute to the
dust inventory in tokamaks. Deuterium content was about 4,7
$at\%$ on average most probably due to wall conditioning
with deuterated gas, and very low concentration in the
Inconel substrate. Inconel 625 retained its mechanical
strength despite 26 years of cyclic heating, stresses and
particle bombardment.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174)},
pid = {G:(DE-HGF)POF3-174},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000415066700001},
doi = {10.1088/1402-4896/aa8bee},
url = {https://juser.fz-juelich.de/record/840395},
}