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@ARTICLE{Lngberg:866554,
author = {Långberg, M. and Örnek, C. and Zhang, F. and Cheng, J.
and Liu, M. and Grånäs, E. and Wiemann, C. and
Gloskovskii, A. and Matveyev, Y. and Kulkarni, S. and Noei,
H. and Keller, T. F. and Lindell, D. and Kivisäkk, U. and
Lundgren, E. and Stierle, A. and Pan, J.},
title = {{C}haracterization of {N}ative {O}xide and {P}assive {F}ilm
on {A}ustenite/{F}errite {P}hases of {D}uplex {S}tainless
{S}teel {U}sing {S}ynchrotron {HAXPEEM}},
journal = {Journal of the Electrochemical Society},
volume = {166},
number = {11},
issn = {1945-7111},
address = {Pennington, NJ},
publisher = {Electrochemical Soc.},
reportid = {FZJ-2019-05644},
pages = {C3336 - C3340},
year = {2019},
abstract = {A new measurement protocol was used for microscopic
chemical analysis of surface oxide films with lateral
resolution of 1 μm. The native air-formed oxide and an
anodic passive film on austenite and ferrite phases of a
25Cr-7Ni super duplex stainless steel were investigated
using synchrotron hard X-ray photoemission electron
microscopy (HAXPEEM). Pre-deposited Pt-markers, in
combination with electron backscattering diffraction mapping
(EBSD), allowed analysis of the native oxide on individual
grains of the two phases and the passive film formed on the
same area after electrochemical polarization of the sample.
The results showed a certain difference in the composition
of the surface films between the two phases. For the grains
with (001) crystallographic face // sample surface, the
native oxide film on the ferrite contained more Cr oxide
than the austenite. Anodic polarization up to 1000
mV/Ag/AgCl in 1M NaCl solution at room temperature resulted
in a growth of the Cr- and Fe-oxides, diminish of
Cr-hydroxide, and an increased proportion of Fe3+ species.},
cin = {PGI-6},
ddc = {660},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {522 - Controlling Spin-Based Phenomena (POF3-522)},
pid = {G:(DE-HGF)POF3-522},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000470207900001},
doi = {10.1149/2.0421911jes},
url = {https://juser.fz-juelich.de/record/866554},
}