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@ARTICLE{Loewenhoff:276433,
author = {Loewenhoff, Thorsten and Linke, Jochen and Pintsuk, Gerald
and Ritts, R. A. and Riccardi, B.},
title = {{ITER}-{W} {M}onoblocks {U}nder {H}igh {P}ulse {N}umber
{T}ransient {H}eat {L}oads at {H}igh {T}emperature},
journal = {Journal of nuclear materials},
volume = {463},
issn = {0022-3115},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-06872},
pages = {202-205},
year = {2015},
abstract = {In the context of using a full-tungsten (W) divertor for
ITER, thermal shock resistance has become even more
important as an issue that may potentially influence the
long term performance. To address this issue a unique series
of experiments has been performed on ITER-W monoblock mock
ups in three EU high heat flux facilities: GLADIS (neutral
beam), JUDITH 2 (electron beam) and Magnum-PSI (plasma
beam). This paper discusses the JUDITH 2 experiments. Two
different base temperatures, 1200 °C and 1500 °C, were
chosen superimposed by ∼18,000/100,000 transient events
(Δt = 0.48 ms) of 0.2 and 0.6 GW/m2.Results showed a
stronger surface deterioration at higher base temperature,
quantified by an increase in roughening. This is intensified
if the same test is done after preloading (exposure to high
temperature without transients), especially at higher base
temperature when the material recrystallizes.},
cin = {IEK-2 / IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-2-20101013 / 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:000358467200034},
doi = {10.1016/j.jnucmat.2014.11.002},
url = {https://juser.fz-juelich.de/record/276433},
}