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@ARTICLE{LopezBarrilao:838536,
author = {Lopez Barrilao, Jennifer and Kuhn, Bernd and Wessel,
Egbert},
title = {{I}dentification, {S}ize {C}lassification and {E}volution
of {L}aves {P}hase {P}recipitates in {H}igh {C}hromium,
{F}ully {F}erritic {S}teels},
journal = {Micron},
volume = {101},
issn = {0968-4328},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2017-07118},
pages = {221 - 231},
year = {2017},
abstract = {To fulfil the new challenges of the German
“Energiewende” more efficient, sustainable, flexible and
cost-effective energy technologies are strongly needed. For
a reduction of consumed primary resources higher efficiency
steam cycles with increased operating parameters, pressure
and temperature, are mandatory. Therefore advanced materials
are needed. The present study focuses on a new concept of
high chromium, fully ferritic steels. These steels,
originally designed for solid oxide fuel cell applications,
provide favourable steam oxidation resistance, creep and
thermomechanical fatigue behaviour in comparison to
conventional ferritic-martensitic steels. The strength of
this type of steel is achieved by a combination of
solid-solution hardening and precipitation strengthening by
intermetallic Laves phase particles. The effect of alloy
composition on particle composition was measured by energy
dispersive X-ray spectroscopy and partly verified by
thermodynamic modelling results. Generally the Laves phase
particles demonstrated high thermodynamic stability during
long-term annealing up to 40,000 h at 600 °C. Variations in
chemical alloy composition influence Laves phase particle
formation and consequently lead to significant changes in
creep behaviour. For this reason particle size distribution
evolution was analysed in detail and associated with the
creep performance of several trial alloys.},
cin = {IEK-2},
ddc = {570},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111)},
pid = {G:(DE-HGF)POF3-111},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:28825996},
UT = {WOS:000413283300029},
doi = {10.1016/j.micron.2017.07.010},
url = {https://juser.fz-juelich.de/record/838536},
}