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@ARTICLE{Young:12260,
      author       = {Young, D.J. and Naumenko, D. and Niewolak, L. and Wessel,
                      E. and Singheiser, L. and Quadakkers, W. J.},
      title        = {{O}xidation {K}inetics of {Y}-doped {F}e{C}r{A}l-{A}lloys
                      in {L}ow and {H}igh p{O}2 {G}ases},
      journal      = {Materials and corrosion},
      volume       = {61},
      issn         = {0947-5117},
      address      = {Weinheim [u.a.]},
      publisher    = {Wiley-VCH},
      reportid     = {PreJuSER-12260},
      pages        = {838 -844},
      year         = {2010},
      note         = {The authors are grateful to Mr. H. Cosler at the
                      Forschungszentrum Julich for thermogravimetry measurements
                      and two-stage oxidation experiments. Part of the work was
                      performed under the funding of the European Commission
                      (Project acronym SMILER, G5RD-CT-2001-0530) and Deutsche
                      Forschungsgemeinshaft (Project No. NA-615-2).},
      abstract     = {A model Fe-20Cr-5Al-0.05Y alloy was oxidized in
                      $Ar-20\%O-2$ and $Ar-4\%H-2-7\%H2O$ at 1200-1300 degrees C.
                      Two-stage oxidation experiments using oxygen isotope tracers
                      showed that inward oxygen diffusion was predominant in both
                      gases, but more isotope exchange was observed in the H-2/H2O
                      gas reaction. The alumina scales formed in both gases were
                      composed of columnar grains, the lateral size of which
                      increased linearly with depth beneath the scale surface.
                      Thermogravimetric measurement of oxygen uptake revealed
                      kinetics which were intermediate to parabolic and cubic
                      kinetic rate laws. A model based on grain boundary diffusion
                      control coupled with competitive oxide grain growth accounts
                      satisfactorily for the results when the requirement for a
                      divergence-free flux within the scale is imposed. This
                      treatment shows that the oxide grain boundary diffusion
                      coefficient is lower when H2O is the oxidant. It is
                      concluded that hydrogen slows the grain boundary diffusion
                      process by altering the nature of the diffusing species.},
      keywords     = {J (WoSType)},
      cin          = {IEK-2 / JARA-ENERGY},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {Rationelle Energieumwandlung},
      pid          = {G:(DE-Juel1)FUEK402},
      shelfmark    = {Materials Science, Multidisciplinary / Metallurgy $\&$
                      Metallurgical Engineering},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000283636300002},
      doi          = {10.1002/maco.200905432},
      url          = {https://juser.fz-juelich.de/record/12260},
}