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@ARTICLE{Zurek:279592,
author = {Zurek, Joanna and Yang, S. M. and Lin, D. Y. and Hüttel,
T. and Singheiser, Lorenz and Quadakkers, Willem J.},
title = {{M}icrostructural {S}tability and {O}xidation {B}ehavior of
{S}anicro 25 {D}uring {L}ong-{T}erm {S}team {E}xposure in
the {T}emperature {R}ange 600-750°{C}},
journal = {Materials and corrosion},
volume = {66},
number = {4},
issn = {0043-2822},
address = {Weinheim [u.a.]},
publisher = {Wiley-VCH},
reportid = {FZJ-2015-07476},
pages = {315-327},
year = {2015},
abstract = {The aim of the present study is the investigation of the
microstructural features and the oxidation resistance of the
austenitic steel Sanicro 25 during long-term steam exposure
up to 10 000 h in the temperature range 600–750 °C.
Steel microstructures of specimens after exposure times of
1000, 3000, and 10 000 h were analyzed by scanning and
transmission electron microscopy as well as X-ray
diffraction. The steam oxidation behavior was estimated by
gravimetry in combination with microstructural
investigations using the above mentioned analysis tools as
well as depth profiling by secondary neutrals mass
spectrometry. In the as-received condition, the only
detectable precipitate was Z-(Nb,Cr)N phase. After exposures
in the temperature range 600–750 °C various amounts of
the following additional phases were identified: chromium
nitride, µ-phase, and carbides with various compositions.
Chromia base surface scales formed during exposure at
600–700 °C, whereas more rapidly growing Fe/Cr-rich
oxides were found at 750 °C. The oxidation rates were
only slightly higher than those of a typical nickel base
alloy such as alloy 617. In the subsurface zones, depletion
of scale forming elements was accompanied by enrichment of
tungsten and copper-rich phases.},
cin = {IEK-2},
ddc = {670},
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},
UT = {WOS:000352633800001},
doi = {10.1002/maco.201407901},
url = {https://juser.fz-juelich.de/record/279592},
}