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@ARTICLE{Huczkowski:858378,
author = {Huczkowski, Pawel and Young, D. J. and Olszewski, T. and
Chyrkin, A. and Quadakkers, W. J.},
title = {{E}ffect of {S}ulphur on the {O}xidation {B}ehaviour of
{P}ossible {C}onstruction {M}aterials for {H}eat
{E}xchangers in {O}xyfuel {P}lants in the {T}emperature
{R}ange 550–700 °{C}},
journal = {Oxidation of metals},
volume = {89},
number = {5-6},
issn = {0030-770X},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V},
reportid = {FZJ-2018-07264},
pages = {651-681},
year = {2018},
abstract = {During oxyfuel combustion metallic heat exchangers are
subjected to service environments which substantially differ
from those prevailing during the conventional air firing
process. In the present study the behaviour of three
selected construction materials (P92, super S304HCu and
alloy 617) during exposure in simulated oxyfuel gas with and
without addition of SO2 at temperatures between 550 and 700
°C has been investigated. The alloy microstructure and the
corrosion products formed during exposures up to 1000 h were
studied by SEM/EDX and correlated with gravimetric data
collected during the discontinuous exposures. It was found
that the behaviour of the martensitic steel was hardly
affected by the presence of SO2; however, in the case of the
austenitic steel S304HCu the SO2 suppressed internal
oxidation occurring at 650 °C in the SO2-free gas, thus
promoting formation of a protective chromium-rich oxide. In
the case of the nickel base alloy 617 the SO2 addition
increased the corrosion rates at 550 and 650 °C due to
replacement of the external chromia scale by a multiphase
scale with sulphur-containing surface nodules. At 700 °C
the alloy formed a chromia base surface scale and SO2
addition suppressed the formation of volatile Cr species.
The results are explained using classical oxidation theory
related to conditions for external scale formation in
combination with thermodynamic considerations of phase
stability as well as relative rates of adsorption of various
gas species.},
cin = {IEK-2},
ddc = {540},
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:000431319100009},
doi = {10.1007/s11085-017-9809-2},
url = {https://juser.fz-juelich.de/record/858378},
}