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@ARTICLE{Pitts:276435,
author = {Pitts, R. A. and Bazylev, B. and Linke, Jochen and Landman,
I. and Lehnen, M. and Loewenhoff, Thorsten and Merola, M.
and Roccella, R. and Saibene, G. and Smith, M. and Loesser,
D. and Udintsev, V. S.},
title = {{F}inal {C}ase for a {S}tainless {S}teel {D}iagnostic
{F}irst {W}all on {ITER}},
journal = {Journal of nuclear materials},
volume = {463},
issn = {0022-3115},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-06874},
pages = {748-752},
year = {2015},
abstract = {In 2010 the ITER Organization (IO) proposed to eliminate
the beryllium armour on the plasma-facing surface of the
diagnostic port plugs and instead to use bare stainless
steel (SS), simplifying the design and providing significant
cost reduction. Transport simulations at the IO confirmed
that charge-exchange sputtering of the SS surfaces would not
affect burning plasma operation through core impurity
contamination, but a second key issue is the potential melt
damage/material loss inflicted by the intense photon
radiation flashes expected at the thermal quench of
disruptions mitigated by massive gas injection. This paper
addresses this second issue through a combination of ITER
relevant experimental heat load tests and qualitative
theoretical arguments of melt layer stability. It
demonstrates that SS can be employed as material for the
port plug plasma-facing surface and this has now been
adopted into the ITER baseline},
cin = {IEK-2},
ddc = {530},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174)},
pid = {G:(DE-HGF)POF3-174},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000358467200158},
doi = {10.1016/j.jnucmat.2014.11.042},
url = {https://juser.fz-juelich.de/record/276435},
}