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@ARTICLE{Steudel:281592,
author = {Steudel, I. and Huber, A. and Kreter, A. and Linke, J. and
Sergienko, G. and Unterberg, B. and Wirtz, M.},
title = {{S}equential and simultaneous thermal and particle exposure
of tungsten},
journal = {Physica scripta},
volume = {T167},
issn = {1402-4896},
address = {Bristol},
publisher = {IoP Publ.},
reportid = {FZJ-2016-01281},
pages = {014053 -},
year = {2016},
abstract = {The broad array of expected loading conditions in a fusion
reactor such as ITER necessitates high requirements on the
plasma facing materials (PFMs). Tungsten, the PFM for the
divertor region, the most affected part of the in-vessel
components, must thus sustain severe, distinct exposure
conditions. Accordingly, comprehensive experiments
investigating sequential and simultaneous thermal and
particle loads were performed on double forged pure
tungsten, not only to investigate whether the thermal and
particle loads cause damage but also if the sequence of
exposure maintains an influence. The exposed specimens
showed various kinds of damage such as roughening,
blistering, and cracking at a base temperature where
tungsten could be ductile enough to compensate the induced
stresses exclusively by plastic deformation (Pintsuk et al
2011 J. Nucl. Mater. 417 481–6). It was found out that
hydrogen has an adverse effect on the material performance
and the loading sequence on the surface modification.},
cin = {IEK-4 / IEK-2},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013 / I:(DE-Juel1)IEK-2-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174) / HITEC -
Helmholtz Interdisciplinary Doctoral Training in Energy and
Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-174 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000383504700054},
doi = {10.1088/0031-8949/T167/1/014053},
url = {https://juser.fz-juelich.de/record/281592},
}